Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

90 files changed, 997 insertions, 0 deletions

diff --git a/tools/lint/test/files/android-format/Bad.java b/tools/lint/test/files/android-format/Bad.java
new file mode 100644
index 0000000000..13aa5d49d5
--- /dev/null
+++ b/tools/lint/test/files/android-format/Bad.java
@@ -0,0 +1,8 @@
+package org.mozilla.geckoview;
+
+import java.util.Arrays;
+
+public class Bad {
+    public static void main() {
+    }
+}
diff --git a/tools/lint/test/files/android-format/Main.kt b/tools/lint/test/files/android-format/Main.kt
new file mode 100644
index 0000000000..a172cf71ee
--- /dev/null
+++ b/tools/lint/test/files/android-format/Main.kt
@@ -0,0 +1,7 @@
+package org.mozilla.geckoview
+
+import java.util.Arrays;
+
+fun main() {
+println("Hello")
+}
diff --git a/tools/lint/test/files/android-format/build.gradle b/tools/lint/test/files/android-format/build.gradle
new file mode 100644
index 0000000000..6d2aff6d60
--- /dev/null
+++ b/tools/lint/test/files/android-format/build.gradle
@@ -0,0 +1 @@
+buildDir "${topobjdir}/gradle/build/tools/lint/test/files/android-format"
diff --git a/tools/lint/test/files/black/bad.py b/tools/lint/test/files/black/bad.py
new file mode 100644
index 0000000000..0a50df4dd9
--- /dev/null
+++ b/tools/lint/test/files/black/bad.py
@@ -0,0 +1,6 @@
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+print (
+    "test"
+       )
diff --git a/tools/lint/test/files/black/invalid.py b/tools/lint/test/files/black/invalid.py
new file mode 100644
index 0000000000..079ecbad30
--- /dev/null
+++ b/tools/lint/test/files/black/invalid.py
@@ -0,0 +1,4 @@
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+print(
diff --git a/tools/lint/test/files/clang-format/bad/bad.cpp b/tools/lint/test/files/clang-format/bad/bad.cpp
new file mode 100644
index 0000000000..f08a83f795
--- /dev/null
+++ b/tools/lint/test/files/clang-format/bad/bad.cpp
@@ -0,0 +1,6 @@
+int  main ( ) { 
+
+return 0;   
+
+
+}
diff --git a/tools/lint/test/files/clang-format/bad/bad2.c b/tools/lint/test/files/clang-format/bad/bad2.c
new file mode 100644
index 0000000000..9792e85071
--- /dev/null
+++ b/tools/lint/test/files/clang-format/bad/bad2.c
@@ -0,0 +1,8 @@
+#include "bad2.h"
+
+
+int bad2() {
+  int a =2;
+  return a;
+
+}
diff --git a/tools/lint/test/files/clang-format/bad/bad2.h b/tools/lint/test/files/clang-format/bad/bad2.h
new file mode 100644
index 0000000000..a35d49d7e7
--- /dev/null
+++ b/tools/lint/test/files/clang-format/bad/bad2.h
@@ -0,0 +1 @@
+int bad2(void );
diff --git a/tools/lint/test/files/clang-format/bad/good.cpp b/tools/lint/test/files/clang-format/bad/good.cpp
new file mode 100644
index 0000000000..76e8197013
--- /dev/null
+++ b/tools/lint/test/files/clang-format/bad/good.cpp
@@ -0,0 +1 @@
+int main() { return 0; }
diff --git a/tools/lint/test/files/clang-format/good/foo.cpp b/tools/lint/test/files/clang-format/good/foo.cpp
new file mode 100644
index 0000000000..76e8197013
--- /dev/null
+++ b/tools/lint/test/files/clang-format/good/foo.cpp
@@ -0,0 +1 @@
+int main() { return 0; }
diff --git a/tools/lint/test/files/clippy/test1/Cargo.toml b/tools/lint/test/files/clippy/test1/Cargo.toml
new file mode 100644
index 0000000000..92d5072eca
--- /dev/null
+++ b/tools/lint/test/files/clippy/test1/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "hello_world" # the name of the package
+version = "0.1.0"    # the current version, obeying semver
+authors = ["Alice <a@example.com>", "Bob <b@example.com>"]
+
+[[bin]]
+name ="good"
+path = "good.rs"
+
+[[bin]]
+name ="bad"
+path = "bad.rs"
+
+[[bin]]
+name ="bad2"
+path = "bad2.rs"
+
diff --git a/tools/lint/test/files/clippy/test1/bad.rs b/tools/lint/test/files/clippy/test1/bad.rs
new file mode 100644
index 0000000000..c403fba603
--- /dev/null
+++ b/tools/lint/test/files/clippy/test1/bad.rs
@@ -0,0 +1,14 @@
+fn main() {
+    // Statements here are executed when the compiled binary is called
+
+    // Print text to the console
+    println!("Hello World!");
+    // Clippy detects this as a swap and considers this as an error
+    let mut a=1;
+    let mut b=1;
+
+    a = b;
+    b = a;
+
+
+}
diff --git a/tools/lint/test/files/clippy/test1/bad2.rs b/tools/lint/test/files/clippy/test1/bad2.rs
new file mode 100644
index 0000000000..bf488bbe72
--- /dev/null
+++ b/tools/lint/test/files/clippy/test1/bad2.rs
@@ -0,0 +1,14 @@
+fn main() {
+    // Statements here are executed when the compiled binary is called
+
+    // Print text to the console
+    println!("Hello World!");
+    let mut a;
+    let mut b=1;
+    let mut vec = vec![1, 2];
+
+    for x in 5..10 - 5 {
+        a = x;
+    }
+
+    }
diff --git a/tools/lint/test/files/clippy/test1/good.rs b/tools/lint/test/files/clippy/test1/good.rs
new file mode 100644
index 0000000000..9bcaee67b7
--- /dev/null
+++ b/tools/lint/test/files/clippy/test1/good.rs
@@ -0,0 +1,6 @@
+fn main() {
+    // Statements here are executed when the compiled binary is called
+
+    // Print text to the console
+    println!("Hello World!");
+}
diff --git a/tools/lint/test/files/clippy/test2/Cargo.lock b/tools/lint/test/files/clippy/test2/Cargo.lock
new file mode 100644
index 0000000000..6b2bc69eeb
--- /dev/null
+++ b/tools/lint/test/files/clippy/test2/Cargo.lock
@@ -0,0 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "hello_world_2"
+version = "0.2.0"
diff --git a/tools/lint/test/files/clippy/test2/Cargo.toml b/tools/lint/test/files/clippy/test2/Cargo.toml
new file mode 100644
index 0000000000..b0ac992088
--- /dev/null
+++ b/tools/lint/test/files/clippy/test2/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "hello_world_2" # the name of the package
+version = "0.2.0"    # the current version, obeying semver
+authors = ["Alice <a@example.com>", "Bob <b@example.com>"]
+
+[[bin]]
+name = "fake_lib1"
+path = "src/bad_1.rs"
diff --git a/tools/lint/test/files/clippy/test2/src/bad_1.rs b/tools/lint/test/files/clippy/test2/src/bad_1.rs
new file mode 100644
index 0000000000..2fe0630202
--- /dev/null
+++ b/tools/lint/test/files/clippy/test2/src/bad_1.rs
@@ -0,0 +1,15 @@
+mod bad_2;
+
+fn main() {
+    // Statements here are executed when the compiled binary is called
+
+    // Print text to the console
+    println!("Hello World!");
+    // Clippy detects this as a swap and considers this as an error
+    let mut a=1;
+    let mut b=1;
+
+    a = b;
+    b = a;
+
+}
diff --git a/tools/lint/test/files/clippy/test2/src/bad_2.rs b/tools/lint/test/files/clippy/test2/src/bad_2.rs
new file mode 100644
index 0000000000..f77de330b4
--- /dev/null
+++ b/tools/lint/test/files/clippy/test2/src/bad_2.rs
@@ -0,0 +1,17 @@
+fn foo() {
+    // Statements here are executed when the compiled binary is called
+
+    // Print text to the console
+    println!("Hello World!");
+    let mut a;
+    let mut b=1;
+    let mut vec = Vec::new();
+    vec.push(1);
+    vec.push(2);
+
+
+    for x in 5..10 - 5 {
+        a = x;
+    }
+
+    }
diff --git a/tools/lint/test/files/codespell/ignore.rst b/tools/lint/test/files/codespell/ignore.rst
new file mode 100644
index 0000000000..1371d07054
--- /dev/null
+++ b/tools/lint/test/files/codespell/ignore.rst
@@ -0,0 +1,5 @@
+This is a file with some typos and informations.
+But also testing false positive like optin (because this isn't always option)
+or stuff related to our coding style like:
+aparent (aParent).
+but detects mistakes like mozila
diff --git a/tools/lint/test/files/eslint/good.js b/tools/lint/test/files/eslint/good.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tools/lint/test/files/eslint/good.js
diff --git a/tools/lint/test/files/eslint/import/bad_import.js b/tools/lint/test/files/eslint/import/bad_import.js
new file mode 100644
index 0000000000..e2a8ec8de1
--- /dev/null
+++ b/tools/lint/test/files/eslint/import/bad_import.js
@@ -0,0 +1 @@
+/* import-globals-from notpresent/notpresent.js */
diff --git a/tools/lint/test/files/eslint/nolint/foo.txt b/tools/lint/test/files/eslint/nolint/foo.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tools/lint/test/files/eslint/nolint/foo.txt
diff --git a/tools/lint/test/files/eslint/subdir/bad.js b/tools/lint/test/files/eslint/subdir/bad.js
new file mode 100644
index 0000000000..9d2dd18f39
--- /dev/null
+++ b/tools/lint/test/files/eslint/subdir/bad.js
@@ -0,0 +1,2 @@
+// Missing semicolon
+let foo = "bar"
diff --git a/tools/lint/test/files/eslint/testprettierignore b/tools/lint/test/files/eslint/testprettierignore
new file mode 100644
index 0000000000..c2df665174
--- /dev/null
+++ b/tools/lint/test/files/eslint/testprettierignore
@@ -0,0 +1 @@
+# Intentionally empty file.
diff --git a/tools/lint/test/files/file-perm/maybe-shebang/bad.js b/tools/lint/test/files/file-perm/maybe-shebang/bad.js
new file mode 100755
index 0000000000..1a0b4c5fd6
--- /dev/null
+++ b/tools/lint/test/files/file-perm/maybe-shebang/bad.js
@@ -0,0 +1,2 @@
+# Nothing too
+
diff --git a/tools/lint/test/files/file-perm/maybe-shebang/good.js b/tools/lint/test/files/file-perm/maybe-shebang/good.js
new file mode 100755
index 0000000000..8149c0d4f3
--- /dev/null
+++ b/tools/lint/test/files/file-perm/maybe-shebang/good.js
@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+
+# Nothing
+
diff --git a/tools/lint/test/files/file-perm/no-shebang/bad-shebang.c b/tools/lint/test/files/file-perm/no-shebang/bad-shebang.c
new file mode 100755
index 0000000000..7151678efa
--- /dev/null
+++ b/tools/lint/test/files/file-perm/no-shebang/bad-shebang.c
@@ -0,0 +1,2 @@
+#!/bin/bash
+int main() { return 0; }
diff --git a/tools/lint/test/files/file-perm/no-shebang/bad.c b/tools/lint/test/files/file-perm/no-shebang/bad.c
new file mode 100755
index 0000000000..76e8197013
--- /dev/null
+++ b/tools/lint/test/files/file-perm/no-shebang/bad.c
@@ -0,0 +1 @@
+int main() { return 0; }
diff --git a/tools/lint/test/files/file-perm/no-shebang/bad.png b/tools/lint/test/files/file-perm/no-shebang/bad.png
new file mode 100755
index 0000000000..db3a5fda7e
--- /dev/null
+++ b/tools/lint/test/files/file-perm/no-shebang/bad.png
diff --git a/tools/lint/test/files/file-perm/no-shebang/good.c b/tools/lint/test/files/file-perm/no-shebang/good.c
new file mode 100644
index 0000000000..76e8197013
--- /dev/null
+++ b/tools/lint/test/files/file-perm/no-shebang/good.c
@@ -0,0 +1 @@
+int main() { return 0; }
diff --git a/tools/lint/test/files/file-whitespace/bad-newline.c b/tools/lint/test/files/file-whitespace/bad-newline.c
new file mode 100644
index 0000000000..3746a0add3
--- /dev/null
+++ b/tools/lint/test/files/file-whitespace/bad-newline.c
@@ -0,0 +1,3 @@
+int main() { return 0; }
+
+  
\ No newline at end of file
diff --git a/tools/lint/test/files/file-whitespace/bad-windows.c b/tools/lint/test/files/file-whitespace/bad-windows.c
new file mode 100644
index 0000000000..70d4c697b9
--- /dev/null
+++ b/tools/lint/test/files/file-whitespace/bad-windows.c
@@ -0,0 +1,3 @@
+int main(){

+	return 42;

+}

diff --git a/tools/lint/test/files/file-whitespace/bad.c b/tools/lint/test/files/file-whitespace/bad.c
new file mode 100644
index 0000000000..4309b1f55d
--- /dev/null
+++ b/tools/lint/test/files/file-whitespace/bad.c
@@ -0,0 +1,3 @@
+int main() { 
+return 0; 
+}
diff --git a/tools/lint/test/files/file-whitespace/bad.js b/tools/lint/test/files/file-whitespace/bad.js
new file mode 100644
index 0000000000..3441696ef1
--- /dev/null
+++ b/tools/lint/test/files/file-whitespace/bad.js
@@ -0,0 +1,3 @@
+# Nothing too 
+
+
diff --git a/tools/lint/test/files/file-whitespace/good.c b/tools/lint/test/files/file-whitespace/good.c
new file mode 100644
index 0000000000..76e8197013
--- /dev/null
+++ b/tools/lint/test/files/file-whitespace/good.c
@@ -0,0 +1 @@
+int main() { return 0; }
diff --git a/tools/lint/test/files/file-whitespace/good.js b/tools/lint/test/files/file-whitespace/good.js
new file mode 100644
index 0000000000..8149c0d4f3
--- /dev/null
+++ b/tools/lint/test/files/file-whitespace/good.js
@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+
+# Nothing
+
diff --git a/tools/lint/test/files/fluent-lint/bad.ftl b/tools/lint/test/files/fluent-lint/bad.ftl
new file mode 100644
index 0000000000..ebc0e1a602
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/bad.ftl
@@ -0,0 +1,44 @@
+Blah-blah = Uppercase letters in identifiers are not permitted.
+blah-blah = This is a legal identifier.
+blah_blah = Underscores in identifiers are not permitted.
+
+bad-apostrophe-1 = The bee's knees
+bad-apostrophe-end-1 = The bees' knees
+bad-apostrophe-2 = The bee‘s knees
+bad-single-quote = 'The bee’s knees'
+ok-apostrophe = The bee’s knees
+ok-single-quote = ‘The bee’s knees’
+bad-double-quote = "The bee’s knees"
+good-double-quote = “The bee’s knees”
+bad-ellipsis = The bee’s knees...
+good-ellipsis = The bee’s knees…
+
+embedded-tag = Read more about <a data-l10n-name="privacy-policy"> our privacy policy </a>.
+bad-embedded-tag = Read more about <a data-l10n-name="privacy-policy"> our 'privacy' policy </a>.
+
+Invalid_Id = This identifier is in the exclusions file and will not cause an error.
+
+good-has-attributes =
+    .accessKey = Attribute identifiers are not checked.
+
+bad-has-attributes =
+    .accessKey = Attribute 'values' are checked.
+
+good-function-call = Last modified: { DATETIME($timeChanged, day: "numeric", month: "long", year: "numeric") }
+
+#   $engineName (String) - The engine name that will currently be used for the private window.
+good-variable-identifier = { $engineName } is your default search engine in Private Windows
+
+short-id = I am too short
+
+identifiers-in-selectors-should-be-ignored =
+  .label = { $tabCount ->
+      [1] Send Tab to Device
+      [UPPERCASE] Send Tab to Device
+     *[other] Send { $tabCount } Tabs to Device
+  }
+
+this-message-reference-is-ignored =
+    .label = { menu-quit.label }
+
+ok-message-with-html-and-var = This is a <a href="{ $url }">link</a>
diff --git a/tools/lint/test/files/fluent-lint/brand-names-excluded.ftl b/tools/lint/test/files/fluent-lint/brand-names-excluded.ftl
new file mode 100644
index 0000000000..9f3afa28b8
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/brand-names-excluded.ftl
@@ -0,0 +1,2 @@
+# Comment
+bad-firefox1 = Welcome to Firefox
diff --git a/tools/lint/test/files/fluent-lint/brand-names.ftl b/tools/lint/test/files/fluent-lint/brand-names.ftl
new file mode 100644
index 0000000000..c338d920ca
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/brand-names.ftl
@@ -0,0 +1,30 @@
+bad-firefox1 = Welcome to Firefox
+
+# Comment should be ignored when displaying the offset of the error
+bad-firefox2 = Welcome to Firefox again
+bad-firefox2b = <span>Welcome to Firefox<span> again
+bad-firefox3 = <b>Firefox</b>
+bad-firefox-excluded = <b>Firefox</b>
+
+bad-mozilla1 = Welcome to Mozilla
+bad-mozilla2 = Welcome to Mozilla again
+bad-mozilla2b = <span>Welcome to Mozilla</span> again
+bad-mozilla3 = <b>Mozilla</b>
+
+bad-thunderbird1 = Welcome to Thunderbird
+bad-thunderbird2 = <span>Welcome to Thunderbird</span> again
+bad-thunderbird3 = <b>Thunderbird</b>
+
+good-firefox1 = Welcome to { -brand-firefox }
+good-firefox2 = Welcome to { firefox-message }
+
+good-mozilla1 = Welcome to { -brand-mozilla }
+good-mozilla2 = Welcome to { mozilla-message }
+
+good-thunderbird1 = Welcome to { -brand-thunderbird }
+good-thunderbird2 = Welcome to { thunderbird-message }
+
+# There are no brand checks on terms
+-brand-firefox = Firefox
+
+bland-message = No brands here.
diff --git a/tools/lint/test/files/fluent-lint/comment-group1.ftl b/tools/lint/test/files/fluent-lint/comment-group1.ftl
new file mode 100644
index 0000000000..32c19dc441
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-group1.ftl
@@ -0,0 +1,35 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+### Test group comments.
+
+fake-identifier-1 = Fake text
+
+## Pass: This group comment has proper spacing.
+
+fake-identifier-2 = Fake text
+## Fail: (GC03) Group comments should have an empty line before them.
+
+fake-identifier-3 = Fake text
+
+## Fail: (GC02) Group comments should have an empty line after them.
+fake-identifier-4 = Fake text
+
+## Pass: A single comment is fine.
+
+## Fail: (GC04) A group comment must be followed by at least one message.
+
+fake-identifier-5 = Fake text
+
+
+## Fail: (GC03) Only allow 1 line above.
+
+fake-identifier-6 = Fake text
+
+## Fail: (GC02) Only allow 1 line below.
+
+
+fake-identifier-6 = Fake text
+
+## Fail: (GC01) Group comments should not be at the end of a file.
diff --git a/tools/lint/test/files/fluent-lint/comment-group2.ftl b/tools/lint/test/files/fluent-lint/comment-group2.ftl
new file mode 100644
index 0000000000..47d29fa211
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-group2.ftl
@@ -0,0 +1,15 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+### Test group comments.
+
+## Pass: This group comment is followed by a term
+
+-fake-term = Fake text
+
+## Pass: The last group comment is allowed to be an empty ##
+
+fake-identifier-1 = Fake text
+
+##
diff --git a/tools/lint/test/files/fluent-lint/comment-resource1.ftl b/tools/lint/test/files/fluent-lint/comment-resource1.ftl
new file mode 100644
index 0000000000..f5d5e53d59
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-resource1.ftl
@@ -0,0 +1,11 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+### Pass: This is a resource comment with proper spacing.
+
+fake-identifier-1 = Fake text
+
+### Fail: (RC01) There should not be more than one resource comment
+
+fake-identifier-2 = Fake text
diff --git a/tools/lint/test/files/fluent-lint/comment-resource2.ftl b/tools/lint/test/files/fluent-lint/comment-resource2.ftl
new file mode 100644
index 0000000000..44a77f4e73
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-resource2.ftl
@@ -0,0 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+### Fail: (RC03) There should be an empty line preceeding.
+
+fake-identifier-1 = Fake text
diff --git a/tools/lint/test/files/fluent-lint/comment-resource3.ftl b/tools/lint/test/files/fluent-lint/comment-resource3.ftl
new file mode 100644
index 0000000000..b261404380
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-resource3.ftl
@@ -0,0 +1,6 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+### Fail: (RC02) There should be an empty line following.
+fake-identifier-1 = Fake text
diff --git a/tools/lint/test/files/fluent-lint/comment-resource4.ftl b/tools/lint/test/files/fluent-lint/comment-resource4.ftl
new file mode 100644
index 0000000000..c24e8887f8
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-resource4.ftl
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### Fail: (RC03) There should be only one space above.
+
+fake-identifier-1 = Fake text
diff --git a/tools/lint/test/files/fluent-lint/comment-resource5.ftl b/tools/lint/test/files/fluent-lint/comment-resource5.ftl
new file mode 100644
index 0000000000..60d8e8c264
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-resource5.ftl
@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+### Fail: (RC02) There should be only one space below.
+
+
+fake-identifier-1 = Fake text
diff --git a/tools/lint/test/files/fluent-lint/comment-resource6.ftl b/tools/lint/test/files/fluent-lint/comment-resource6.ftl
new file mode 100644
index 0000000000..a2ca9abfe7
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-resource6.ftl
@@ -0,0 +1,4 @@
+### Pass: Check two conditions.
+### 1. This is an edge case, but we shouldn't error if there is only a resource comment.
+### 2. Make sure this linter does not error if there is no license header. The license is
+###    checked with `mach lint license`.
diff --git a/tools/lint/test/files/fluent-lint/comment-variables1.ftl b/tools/lint/test/files/fluent-lint/comment-variables1.ftl
new file mode 100644
index 0000000000..10de9de195
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-variables1.ftl
@@ -0,0 +1,60 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+### Test group comments.
+### $var doesn't count towards commented placeables
+
+message-without-comment = This string has a { $var }
+
+## Variables:
+## $foo-group (String): group level comment
+
+# Variables:
+# $foo1 (String): just text
+message-with-comment = This string has a { $foo1 }
+
+message-with-group-comment = This string has a { $foo-group }
+
+select-without-comment1 = {
+    $select1 ->
+        [t] Foo
+       *[s] Bar
+}
+
+select-without-comment2 = {
+    $select2 ->
+        [t] Foo { $select2 }
+       *[s] Bar
+}
+
+## Variables:
+## $select4 (Integer): a number
+
+# Variables:
+# $select3 (Integer): a number
+select-with-comment1 = {
+    $select3 ->
+        [t] Foo
+       *[s] Bar
+}
+
+select-with-group-comment1 = {
+    $select4 ->
+        [t] Foo { $select4 }
+       *[s] Bar
+}
+
+message-attribute-without-comment =
+    .label = This string as { $attr }
+
+# Variables:
+# $attr2 (String): just text
+message-attribute-with-comment =
+    .label = This string as { $attr2 }
+
+message-selection-function =
+  { PLATFORM() ->
+      [macos] foo
+     *[other] bar
+  }
diff --git a/tools/lint/test/files/fluent-lint/comment-variables2.ftl b/tools/lint/test/files/fluent-lint/comment-variables2.ftl
new file mode 100644
index 0000000000..2e9ae8e684
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/comment-variables2.ftl
@@ -0,0 +1,27 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+## Terms are not checked for variables, no need for comments.
+
+-term-without-comment1 = { $term1 }
+-term-without-comment2 = {
+    $select2 ->
+        [t] Foo { $term2 }
+       *[s] Bar
+}
+
+# Testing that variable references from terms are not kept around when analyzing
+# standard messages (see bug 1812568).
+#
+# Variables:
+# $message1 (String) - Just text
+message-with-comment = This string has a { $message1 }
+
+# This comment is not necessary, just making sure it doesn't get carried over to
+# the following message which uses the same variable.
+#
+# Variables:
+# $term-message (string) - Text
+-term-with-variable = { $term-message }
+message-without-comment = This string has a { $term-message }
diff --git a/tools/lint/test/files/fluent-lint/excluded.ftl b/tools/lint/test/files/fluent-lint/excluded.ftl
new file mode 100644
index 0000000000..79fe509ad6
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/excluded.ftl
@@ -0,0 +1,6 @@
+# This file is used to test excluding paths from tests.
+Blah-blah = Uppercase letters in identifiers are not permitted.
+blah-blah = This is a legal identifier.
+blah_blah = Underscores in identifiers are not permitted.
+
+bad-apostrophe-1 = The bee's knees
diff --git a/tools/lint/test/files/fluent-lint/test-brands.ftl b/tools/lint/test/files/fluent-lint/test-brands.ftl
new file mode 100644
index 0000000000..1aa6e9d0e8
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/test-brands.ftl
@@ -0,0 +1,5 @@
+# These are brands used in the fluent-lint test
+
+-brand-first = Firefox
+-brand-second = Thunderbird
+-brand-third = Mozilla
diff --git a/tools/lint/test/files/fluent-lint/tools/lint/fluent-lint/exclusions.yml b/tools/lint/test/files/fluent-lint/tools/lint/fluent-lint/exclusions.yml
new file mode 100644
index 0000000000..1aecf8cedd
--- /dev/null
+++ b/tools/lint/test/files/fluent-lint/tools/lint/fluent-lint/exclusions.yml
@@ -0,0 +1,17 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+ID01:
+    messages:
+        - Invalid_Id
+    files:
+        - excluded.ftl
+ID02:
+    messages: []
+    files: []
+CO01:
+    messages:
+        - bad-firefox-excluded
+    files:
+        - brand-names-excluded.ftl
diff --git a/tools/lint/test/files/license/.eslintrc.js b/tools/lint/test/files/license/.eslintrc.js
new file mode 100644
index 0000000000..0449fdfa33
--- /dev/null
+++ b/tools/lint/test/files/license/.eslintrc.js
@@ -0,0 +1,5 @@
+
+// Dot file to verify that it works
+// without license
+
+"use strict";
diff --git a/tools/lint/test/files/license/bad.c b/tools/lint/test/files/license/bad.c
new file mode 100644
index 0000000000..76e8197013
--- /dev/null
+++ b/tools/lint/test/files/license/bad.c
@@ -0,0 +1 @@
+int main() { return 0; }
diff --git a/tools/lint/test/files/license/bad.js b/tools/lint/test/files/license/bad.js
new file mode 100644
index 0000000000..5de1a72f1f
--- /dev/null
+++ b/tools/lint/test/files/license/bad.js
@@ -0,0 +1,6 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Pulic Unknown License as published by
+ * the Free Software Foundation, version 3.
+ *
+ */
diff --git a/tools/lint/test/files/license/good-other.h b/tools/lint/test/files/license/good-other.h
new file mode 100644
index 0000000000..fb915e9b26
--- /dev/null
+++ b/tools/lint/test/files/license/good-other.h
@@ -0,0 +1,9 @@
+/*
+Permission to use, copy, modify, distribute and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and
+that both that copyright notice and this permission notice appear
+in supporting documentation.  Samphan Raruenrom makes no
+representations about the suitability of this software for any
+purpose.  It is provided "as is" without express or implied warranty.
+*/
diff --git a/tools/lint/test/files/license/good.c b/tools/lint/test/files/license/good.c
new file mode 100644
index 0000000000..d1a6827fb1
--- /dev/null
+++ b/tools/lint/test/files/license/good.c
@@ -0,0 +1,8 @@
+
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+int main() { return 0; }
diff --git a/tools/lint/test/files/license/good.js b/tools/lint/test/files/license/good.js
new file mode 100644
index 0000000000..d10ae3a8d5
--- /dev/null
+++ b/tools/lint/test/files/license/good.js
@@ -0,0 +1,7 @@
+#!/usr/bin/env node
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+# Nothing
+
diff --git a/tools/lint/test/files/lintpref/bad.js b/tools/lint/test/files/lintpref/bad.js
new file mode 100644
index 0000000000..ab55ba5dad
--- /dev/null
+++ b/tools/lint/test/files/lintpref/bad.js
@@ -0,0 +1,2 @@
+// Real test pref, matching value.
+pref("dom.webidl.test1", true);
diff --git a/tools/lint/test/files/lintpref/good.js b/tools/lint/test/files/lintpref/good.js
new file mode 100644
index 0000000000..0bf81c8f58
--- /dev/null
+++ b/tools/lint/test/files/lintpref/good.js
@@ -0,0 +1,6 @@
+// Fake prefs.
+pref("foo.bar", 1);
+pref("foo.baz", "1.234");
+
+// Real test pref, different value.
+pref("dom.webidl.test1", false);
diff --git a/tools/lint/test/files/rst/.dotfile.rst b/tools/lint/test/files/rst/.dotfile.rst
new file mode 100644
index 0000000000..be24e1d161
--- /dev/null
+++ b/tools/lint/test/files/rst/.dotfile.rst
@@ -0,0 +1,11 @@
+============
+Coding style
+==========
+
+foo bar 
+~~~~~
+
+
+This file has error but should not be there
+as we don't analyze dot files
+
diff --git a/tools/lint/test/files/rst/bad.rst b/tools/lint/test/files/rst/bad.rst
new file mode 100644
index 0000000000..c9b60f613e
--- /dev/null
+++ b/tools/lint/test/files/rst/bad.rst
@@ -0,0 +1,20 @@
+============
+Coding style
+============
+
+
+This document attempts to explain the basic styles and patterns used in
+the Mozilla codebase. New code should try to conform to these standards,
+so it is as easy to maintain as existing code. There are exceptions, but
+it's still important to know the rules!
+
+
+Whitespace
+~~~~~~~~
+
+Line length
+~~~~~~~~~~~
+
+Line length
+~~~~~~~~~~~
+
diff --git a/tools/lint/test/files/rst/bad2.rst b/tools/lint/test/files/rst/bad2.rst
new file mode 100644
index 0000000000..81c35dde06
--- /dev/null
+++ b/tools/lint/test/files/rst/bad2.rst
@@ -0,0 +1,4 @@
+====
+Test
+===
+
diff --git a/tools/lint/test/files/rst/bad3.rst b/tools/lint/test/files/rst/bad3.rst
new file mode 100644
index 0000000000..b7e66e5c92
--- /dev/null
+++ b/tools/lint/test/files/rst/bad3.rst
@@ -0,0 +1,6 @@
+
+.. _When_Should_I_Use_a_Hashtable.3F:
+
+When Should I Use a Hashtable?
+------------------------------
+
diff --git a/tools/lint/test/files/rst/good.rst b/tools/lint/test/files/rst/good.rst
new file mode 100644
index 0000000000..fd12da85d3
--- /dev/null
+++ b/tools/lint/test/files/rst/good.rst
@@ -0,0 +1,11 @@
+============
+Coding style
+============
+
+
+This document attempts to explain the basic styles and patterns used in
+the Mozilla codebase. New code should try to conform to these standards,
+so it is as easy to maintain as existing code. There are exceptions, but
+it's still important to know the rules!
+
+
diff --git a/tools/lint/test/files/ruff/bad.py b/tools/lint/test/files/ruff/bad.py
new file mode 100644
index 0000000000..0015d7e7f9
--- /dev/null
+++ b/tools/lint/test/files/ruff/bad.py
@@ -0,0 +1,4 @@
+import distutils
+
+if not "foo" in "foobar":
+    print("oh no!")
diff --git a/tools/lint/test/files/ruff/ruff.toml b/tools/lint/test/files/ruff/ruff.toml
new file mode 100644
index 0000000000..34f5ca74a4
--- /dev/null
+++ b/tools/lint/test/files/ruff/ruff.toml
@@ -0,0 +1 @@
+# Empty config to force ruff to ignore the global one.
diff --git a/tools/lint/test/files/rustfmt/subdir/bad.rs b/tools/lint/test/files/rustfmt/subdir/bad.rs
new file mode 100644
index 0000000000..fb1746fafd
--- /dev/null
+++ b/tools/lint/test/files/rustfmt/subdir/bad.rs
@@ -0,0 +1,16 @@
+fn main() {
+    // Statements here are executed when the compiled binary is called
+
+    // Print text to the console
+    println!("Hello World!");
+    // Clippy detects this as a swap and considers this as an error
+    let mut a =
+        1;
+    let mut b=1;
+
+    a =
+        b;
+    b = a;
+
+
+}
diff --git a/tools/lint/test/files/rustfmt/subdir/bad2.rs b/tools/lint/test/files/rustfmt/subdir/bad2.rs
new file mode 100644
index 0000000000..a4236a2de7
--- /dev/null
+++ b/tools/lint/test/files/rustfmt/subdir/bad2.rs
@@ -0,0 +1,17 @@
+fn main() {
+    // Statements here are executed when the compiled binary is called
+
+    // Print text to the console
+    println!("Hello World!");
+    let mut a;
+    let mut b=1;
+    let mut vec = Vec::new();
+    vec.push(1);
+    vec.push(2);
+
+
+    for x in 5..10 - 5 {
+        a = x;
+    }
+
+    }
diff --git a/tools/lint/test/files/rustfmt/subdir/good.rs b/tools/lint/test/files/rustfmt/subdir/good.rs
new file mode 100644
index 0000000000..9bcaee67b7
--- /dev/null
+++ b/tools/lint/test/files/rustfmt/subdir/good.rs
@@ -0,0 +1,6 @@
+fn main() {
+    // Statements here are executed when the compiled binary is called
+
+    // Print text to the console
+    println!("Hello World!");
+}
diff --git a/tools/lint/test/files/shellcheck/bad.sh b/tools/lint/test/files/shellcheck/bad.sh
new file mode 100644
index 0000000000..b2eb195558
--- /dev/null
+++ b/tools/lint/test/files/shellcheck/bad.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+hello="Hello world"
+echo $1
diff --git a/tools/lint/test/files/shellcheck/good.sh b/tools/lint/test/files/shellcheck/good.sh
new file mode 100644
index 0000000000..e61d501955
--- /dev/null
+++ b/tools/lint/test/files/shellcheck/good.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo "Hello world"
diff --git a/tools/lint/test/files/stylelint/nolint/foo.txt b/tools/lint/test/files/stylelint/nolint/foo.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tools/lint/test/files/stylelint/nolint/foo.txt
diff --git a/tools/lint/test/files/stylelint/subdir/bad.css b/tools/lint/test/files/stylelint/subdir/bad.css
new file mode 100644
index 0000000000..70004c1fb2
--- /dev/null
+++ b/tools/lint/test/files/stylelint/subdir/bad.css
@@ -0,0 +1,5 @@
+#foo {
+  /* Duplicate property: */
+  font-size: 12px;
+  font-size: 12px;
+}
diff --git a/tools/lint/test/files/test-manifest-alpha/mochitest-in-order.ini b/tools/lint/test/files/test-manifest-alpha/mochitest-in-order.ini
new file mode 100644
index 0000000000..9de566702a
--- /dev/null
+++ b/tools/lint/test/files/test-manifest-alpha/mochitest-in-order.ini
@@ -0,0 +1,29 @@
+[DEFAULT]
+support-files =
+  click-event-helper.js
+  head.js
+  test-button-overlay.html
+  ../../../../dom/media/test/gizmo.mp4
+  ../../../../dom/media/test/owl.mp3
+
+prefs =
+  media.videocontrols.picture-in-picture.display-text-tracks.enabled=false
+
+[browser_AAA_run_first_firstTimePiPToggleEvents.js]
+[browser_aaa_run_first_firstTimePiPToggleEvents.js]
+[browser_backgroundTab.js]
+[browser_cannotTriggerFromContent.js]
+[browser_closePipPause.js]
+skip-if = os == "linux" && bits == 64 && os_version == "18.04" # Bug 1569205
+[browser_closePip_pageNavigationChanges.js]
+[browser_closePlayer.js]
+[browser_closeTab.js]
+[browser_close_unpip_focus.js]
+[browser_contextMenu.js]
+[browser_cornerSnapping.js]
+run-if = os == "mac"
+[browser_dblclickFullscreen.js]
+[browser_flipIconWithRTL.js]
+skip-if =
+  os == "linux" && ccov # Bug 1678091
+  tsan # Bug 1678091
diff --git a/tools/lint/test/files/test-manifest-alpha/mochitest-mostly-in-order.ini b/tools/lint/test/files/test-manifest-alpha/mochitest-mostly-in-order.ini
new file mode 100644
index 0000000000..01f2551bd4
--- /dev/null
+++ b/tools/lint/test/files/test-manifest-alpha/mochitest-mostly-in-order.ini
@@ -0,0 +1,30 @@
+[DEFAULT]
+support-files =
+  click-event-helper.js
+  head.js
+  test-button-overlay.html
+  ../../../../dom/media/test/gizmo.mp4
+  ../../../../dom/media/test/owl.mp3
+
+prefs =
+  media.videocontrols.picture-in-picture.display-text-tracks.enabled=false
+
+[browser_AAA_run_first_firstTimePiPToggleEvents.js]
+[browser_aaa_run_first_firstTimePiPToggleEvents.js]
+[browser_backgroundTab.js]
+[browser_cannotTriggerFromContent.js]
+[browser_closePipPause.js]
+skip-if = os == "linux" && bits == 64 && os_version == "18.04" # Bug 1569205
+[browser_closePip_pageNavigationChanges.js]
+[browser_closePlayer.js]
+[browser_closeTab.js]
+[browser_close_unpip_focus.js]
+[browser_contextMenu.js]
+[browser_cornerSnapping.js]
+run-if = os == "mac"
+[browser_dblclickFullscreen.js]
+[browser_flipIconWithRTL.js]
+skip-if =
+  os == "linux" && ccov # Bug 1678091
+  tsan # Bug 1678091
+[browser_a_new_test.js]
diff --git a/tools/lint/test/files/test-manifest-alpha/mochitest-very-out-of-order.ini b/tools/lint/test/files/test-manifest-alpha/mochitest-very-out-of-order.ini
new file mode 100644
index 0000000000..45bfdd776b
--- /dev/null
+++ b/tools/lint/test/files/test-manifest-alpha/mochitest-very-out-of-order.ini
@@ -0,0 +1,29 @@
+[DEFAULT]
+support-files =
+  click-event-helper.js
+  head.js
+  test-button-overlay.html
+  ../../../../dom/media/test/gizmo.mp4
+  ../../../../dom/media/test/owl.mp3
+
+prefs =
+  media.videocontrols.picture-in-picture.display-text-tracks.enabled=false
+
+[browser_contextMenu.js]
+[browser_aaa_run_first_firstTimePiPToggleEvents.js]
+[browser_AAA_run_first_firstTimePiPToggleEvents.js]
+[browser_backgroundTab.js]
+[browser_cannotTriggerFromContent.js]
+[browser_close_unpip_focus.js]
+[browser_closePip_pageNavigationChanges.js]
+[browser_closePipPause.js]
+skip-if = os == "linux" && bits == 64 && os_version == "18.04" # Bug 1569205
+[browser_cornerSnapping.js]
+run-if = os == "mac"
+[browser_closePlayer.js]
+[browser_closeTab.js]
+[browser_dblclickFullscreen.js]
+[browser_flipIconWithRTL.js]
+skip-if =
+  os == "linux" && ccov # Bug 1678091
+  tsan # Bug 1678091
diff --git a/tools/lint/test/files/test-manifest-alpha/other-ini-very-out-of-order.ini b/tools/lint/test/files/test-manifest-alpha/other-ini-very-out-of-order.ini
new file mode 100644
index 0000000000..45bfdd776b
--- /dev/null
+++ b/tools/lint/test/files/test-manifest-alpha/other-ini-very-out-of-order.ini
@@ -0,0 +1,29 @@
+[DEFAULT]
+support-files =
+  click-event-helper.js
+  head.js
+  test-button-overlay.html
+  ../../../../dom/media/test/gizmo.mp4
+  ../../../../dom/media/test/owl.mp3
+
+prefs =
+  media.videocontrols.picture-in-picture.display-text-tracks.enabled=false
+
+[browser_contextMenu.js]
+[browser_aaa_run_first_firstTimePiPToggleEvents.js]
+[browser_AAA_run_first_firstTimePiPToggleEvents.js]
+[browser_backgroundTab.js]
+[browser_cannotTriggerFromContent.js]
+[browser_close_unpip_focus.js]
+[browser_closePip_pageNavigationChanges.js]
+[browser_closePipPause.js]
+skip-if = os == "linux" && bits == 64 && os_version == "18.04" # Bug 1569205
+[browser_cornerSnapping.js]
+run-if = os == "mac"
+[browser_closePlayer.js]
+[browser_closeTab.js]
+[browser_dblclickFullscreen.js]
+[browser_flipIconWithRTL.js]
+skip-if =
+  os == "linux" && ccov # Bug 1678091
+  tsan # Bug 1678091
diff --git a/tools/lint/test/files/trojan-source/README b/tools/lint/test/files/trojan-source/README
new file mode 100644
index 0000000000..343a9d0c3c
--- /dev/null
+++ b/tools/lint/test/files/trojan-source/README
@@ -0,0 +1,5 @@
+These examples are taken from trojan source:
+https://github.com/nickboucher/trojan-source
+
+The examples are published under the MIT license.
+
diff --git a/tools/lint/test/files/trojan-source/commenting-out.cpp b/tools/lint/test/files/trojan-source/commenting-out.cpp
new file mode 100644
index 0000000000..d67df70ce1
--- /dev/null
+++ b/tools/lint/test/files/trojan-source/commenting-out.cpp
@@ -0,0 +1,9 @@
+#include <iostream>
+
+int main() {
+    bool isAdmin = false;
+    /*‮ } ⁦if (isAdmin)⁩ ⁦ begin admins only */
+        std::cout << "You are an admin.\n";
+    /* end admins only ‮ { ⁦*/
+    return 0;
+}
\ No newline at end of file
diff --git a/tools/lint/test/files/trojan-source/early-return.py b/tools/lint/test/files/trojan-source/early-return.py
new file mode 100644
index 0000000000..2797d8ae9f
--- /dev/null
+++ b/tools/lint/test/files/trojan-source/early-return.py
@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+bank = { 'alice': 100 }
+
+def subtract_funds(account: str, amount: int):
+    ''' Subtract funds from bank account then ⁧''' ;return
+    bank[account] -= amount
+    return
+
+subtract_funds('alice', 50)
\ No newline at end of file
diff --git a/tools/lint/test/files/trojan-source/invisible-function.rs b/tools/lint/test/files/trojan-source/invisible-function.rs
new file mode 100644
index 0000000000..b32efb0372
--- /dev/null
+++ b/tools/lint/test/files/trojan-source/invisible-function.rs
@@ -0,0 +1,15 @@
+fn isAdmin() {
+    return false;
+}
+
+fn is​Admin() {
+    return true;
+}
+
+fn main() {
+    if is​Admin() {
+        printf("You are an admin\n");
+    } else {
+        printf("You are NOT an admin.\n");
+    }
+}
\ No newline at end of file
diff --git a/tools/lint/test/files/updatebot/.yamllint b/tools/lint/test/files/updatebot/.yamllint
new file mode 100644
index 0000000000..4f11bbd6c5
--- /dev/null
+++ b/tools/lint/test/files/updatebot/.yamllint
@@ -0,0 +1,6 @@
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+# Explicity default .yamllint to isolate tests from tree-wide yamlint config.
+---
+extends: default
diff --git a/tools/lint/test/files/updatebot/cargo-mismatch.yaml b/tools/lint/test/files/updatebot/cargo-mismatch.yaml
new file mode 100644
index 0000000000..ac18d2b87c
--- /dev/null
+++ b/tools/lint/test/files/updatebot/cargo-mismatch.yaml
@@ -0,0 +1,44 @@
+---
+# Version of this schema
+schema: 1
+
+bugzilla:
+  # Bugzilla product and component for this directory and subdirectories
+  product: Core
+  component: "Graphics: WebGPU"
+
+# Document the source of externally hosted code
+origin:
+
+  # Short name of the package/library
+  name: wgpu
+
+  description: A cross-platform pure-Rust graphics API
+
+  # Full URL for the package's homepage/etc
+  # Usually different from repository url
+  url: https://github.com/gfx-rs/wgpu
+
+  # Human-readable identifier for this version/release
+  # Generally "version NNN", "tag SSS", "bookmark SSS"
+  release: commit 32af4f56
+
+  # Revision to pull in
+  # Must be a long or short commit SHA (long preferred)
+  revision: idontmatchanything
+
+  license: ['MIT', 'Apache-2.0']
+
+updatebot:
+  maintainer-phab: jimb
+  maintainer-bz: jimb@mozilla.com
+  tasks:
+    - type: vendoring
+      enabled: true
+      frequency: 1 week
+
+vendoring:
+  url: https://github.com/gfx-rs/wgpu
+  source-hosting: github
+  vendor-directory: gfx/wgpu_bindings/
+  flavor: rust
diff --git a/tools/lint/test/files/updatebot/good1.yaml b/tools/lint/test/files/updatebot/good1.yaml
new file mode 100644
index 0000000000..f57d2c5b4c
--- /dev/null
+++ b/tools/lint/test/files/updatebot/good1.yaml
@@ -0,0 +1,44 @@
+---
+schema: 1
+
+bugzilla:
+  product: Core
+  component: Graphics
+
+origin:
+  name: angle
+
+  description: ANGLE - Almost Native Graphics Layer Engine
+
+  url: https://chromium.googlesource.com/angle/angle
+
+  # Note that while the vendoring information here, including revision,
+  # release, and upstream repo locations refer to the third party upstream,
+  # Angle is vendored from a mozilla git repository that pulls from
+  # upstream and mainntains local patches there.
+  release: commit 018f85dea11fd5e41725750c6958695a6b8e8409
+  revision: 018f85dea11fd5e41725750c6958695a6b8e8409
+
+  license: BSD-3-Clause
+
+updatebot:
+  maintainer-phab: jgilbert
+  maintainer-bz: jgilbert@mozilla.com
+  tasks:
+    - type: commit-alert
+      enabled: true
+      branch: chromium/4515
+      needinfo: ["jgilbert@mozilla.com"]
+
+vendoring:
+  url: https://chromium.googlesource.com/angle/angle
+  tracking: tag
+  source-hosting: angle
+  vendor-directory: gfx/angle/checkout
+  skip-vendoring-steps: ["fetch", "update-moz-build"]
+
+  update-actions:
+    - action: run-script
+      script: '{yaml_dir}/auto-update-angle.sh'
+      args: ['{revision}']
+      cwd: '{cwd}'
diff --git a/tools/lint/test/files/updatebot/good2.yaml b/tools/lint/test/files/updatebot/good2.yaml
new file mode 100644
index 0000000000..0161d28b11
--- /dev/null
+++ b/tools/lint/test/files/updatebot/good2.yaml
@@ -0,0 +1,74 @@
+---
+# Version of this schema
+schema: 1
+
+bugzilla:
+  # Bugzilla product and component for this directory and subdirectories
+  product: Core
+  component: "Audio/Video: Playback"
+
+# Document the source of externally hosted code
+origin:
+
+  # Short name of the package/library
+  name: dav1d
+
+  description: dav1d, a fast AV1 decoder
+
+  # Full URL for the package's homepage/etc
+  # Usually different from repository url
+  url: https://code.videolan.org/videolan/dav1d
+
+  # Human-readable identifier for this version/release
+  # Generally "version NNN", "tag SSS", "bookmark SSS"
+  release: ffb59680356fd210816cf9e46d9d023ade1f4d5a
+
+  # Revision to pull in
+  # Must be a long or short commit SHA (long preferred)
+  revision: ffb59680356fd210816cf9e46d9d023ade1f4d5a
+
+  # The package's license, where possible using the mnemonic from
+  # https://spdx.org/licenses/
+  # Multiple licenses can be specified (as a YAML list)
+  # A "LICENSE" file must exist containing the full license text
+  license: BSD-2-Clause
+
+  license-file: COPYING
+
+updatebot:
+  maintainer-phab: chunmin
+  maintainer-bz: cchang@mozilla.com
+  tasks:
+    - type: vendoring
+      enabled: true
+      frequency: release
+
+vendoring:
+  url: https://code.videolan.org/videolan/dav1d
+  source-hosting: gitlab
+  vendor-directory: third_party/dav1d
+
+  exclude:
+    - build/.gitattributes
+    - build/.gitignore
+    - doc
+    - examples
+    - package
+    - tools
+
+  generated:
+    - '{yaml_dir}/vcs_version.h'
+    - '{yaml_dir}/version.h'
+
+  update-actions:
+    - action: copy-file
+      from: include/vcs_version.h.in
+      to: '{yaml_dir}/vcs_version.h'
+    - action: replace-in-file
+      pattern: '@VCS_TAG@'
+      with: '{revision}'
+      file: '{yaml_dir}/vcs_version.h'
+    - action: run-script
+      script: '{yaml_dir}/update-version.sh'
+      cwd: '{vendor_dir}'
+      args: ['{yaml_dir}/version.h']
diff --git a/tools/lint/test/files/updatebot/no-revision.yaml b/tools/lint/test/files/updatebot/no-revision.yaml
new file mode 100644
index 0000000000..4d581508d8
--- /dev/null
+++ b/tools/lint/test/files/updatebot/no-revision.yaml
@@ -0,0 +1,43 @@
+---
+schema: 1
+
+bugzilla:
+  product: Core
+  component: Graphics
+
+origin:
+  name: angle
+
+  description: ANGLE - Almost Native Graphics Layer Engine
+
+  url: https://chromium.googlesource.com/angle/angle
+
+  # Note that while the vendoring information here, including revision,
+  # release, and upstream repo locations refer to the third party upstream,
+  # Angle is vendored from a mozilla git repository that pulls from
+  # upstream and mainntains local patches there.
+  release: commit 018f85dea11fd5e41725750c6958695a6b8e8409
+
+  license: BSD-3-Clause
+
+updatebot:
+  maintainer-phab: jgilbert
+  maintainer-bz: jgilbert@mozilla.com
+  tasks:
+    - type: commit-alert
+      enabled: true
+      branch: chromium/4515
+      needinfo: ["jgilbert@mozilla.com"]
+
+vendoring:
+  url: https://chromium.googlesource.com/angle/angle
+  tracking: tag
+  source-hosting: angle
+  vendor-directory: gfx/angle/checkout
+  skip-vendoring-steps: ["fetch", "update-moz-build"]
+
+  update-actions:
+    - action: run-script
+      script: '{yaml_dir}/auto-update-angle.sh'
+      args: ['{revision}']
+      cwd: '{cwd}'
diff --git a/tools/lint/test/files/yaml/.yamllint b/tools/lint/test/files/yaml/.yamllint
new file mode 100644
index 0000000000..4f11bbd6c5
--- /dev/null
+++ b/tools/lint/test/files/yaml/.yamllint
@@ -0,0 +1,6 @@
+# Any copyright is dedicated to the Public Domain.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+# Explicity default .yamllint to isolate tests from tree-wide yamlint config.
+---
+extends: default
diff --git a/tools/lint/test/files/yaml/bad.yml b/tools/lint/test/files/yaml/bad.yml
new file mode 100644
index 0000000000..195ac7b030
--- /dev/null
+++ b/tools/lint/test/files/yaml/bad.yml
@@ -0,0 +1,8 @@
+---
+yamllint:
+  description: YAML linteraaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaax
+  include:
+        - .cron.yml
+        - browser/config/
+        - wrong
+  application:bar
diff --git a/tools/lint/test/files/yaml/good.yml b/tools/lint/test/files/yaml/good.yml
new file mode 100644
index 0000000000..b30941b797
--- /dev/null
+++ b/tools/lint/test/files/yaml/good.yml
@@ -0,0 +1,6 @@
+---
+yamllint:
+    description: YAML linter
+    include:
+        - .cron.yml
+        - browser/config/