1 files changed, 113 insertions, 0 deletions
diff --git a/src/tools/linkchecker/tests/checks.rs b/src/tools/linkchecker/tests/checks.rs
new file mode 100644
index 000000000..1a0b1b00e
--- /dev/null
+++ b/src/tools/linkchecker/tests/checks.rs
@@ -0,0 +1,113 @@
+use std::path::Path;
+use std::process::{Command, ExitStatus};
+
+fn run(dirname: &str) -> (ExitStatus, String, String) {
+    let output = Command::new(env!("CARGO_BIN_EXE_linkchecker"))
+        .current_dir(Path::new(env!("CARGO_MANIFEST_DIR")).join("tests"))
+        .arg(dirname)
+        .output()
+        .unwrap();
+    let stdout = String::from_utf8(output.stdout).unwrap();
+    let stderr = String::from_utf8(output.stderr).unwrap();
+    (output.status, stdout, stderr)
+}
+
+fn broken_test(dirname: &str, expected: &str) {
+    let (status, stdout, stderr) = run(dirname);
+    assert!(!status.success());
+    if !contains(expected, &stdout) {
+        panic!(
+            "stdout did not contain expected text: {}\n\
+            --- stdout:\n\
+            {}\n\
+            --- stderr:\n\
+            {}\n",
+            expected, stdout, stderr
+        );
+    }
+}
+
+fn contains(expected: &str, actual: &str) -> bool {
+    // Normalize for Windows paths.
+    let actual = actual.replace('\\', "/");
+    actual.lines().any(|mut line| {
+        for (i, part) in expected.split("[..]").enumerate() {
+            match line.find(part) {
+                Some(j) => {
+                    if i == 0 && j != 0 {
+                        return false;
+                    }
+                    line = &line[j + part.len()..];
+                }
+                None => return false,
+            }
+        }
+        line.is_empty() || expected.ends_with("[..]")
+    })
+}
+
+fn valid_test(dirname: &str) {
+    let (status, stdout, stderr) = run(dirname);
+    if !status.success() {
+        panic!(
+            "test did not succeed as expected\n\
+            --- stdout:\n\
+            {}\n\
+            --- stderr:\n\
+            {}\n",
+            stdout, stderr
+        );
+    }
+}
+
+#[test]
+fn valid() {
+    valid_test("valid/inner");
+}
+
+#[test]
+fn basic_broken() {
+    broken_test("basic_broken", "foo.html:3: broken link - `bar.html`");
+}
+
+#[test]
+fn broken_fragment_local() {
+    broken_test(
+        "broken_fragment_local",
+        "foo.html:3: broken link fragment `#somefrag` pointing to `foo.html`",
+    );
+}
+
+#[test]
+fn broken_fragment_remote() {
+    broken_test(
+        "broken_fragment_remote/inner",
+        "foo.html:3: broken link fragment `#somefrag` pointing to \
+         `[..]/broken_fragment_remote/bar.html`",
+    );
+}
+
+#[test]
+fn broken_redir() {
+    broken_test(
+        "broken_redir",
+        "foo.html:3: broken redirect from `redir-bad.html` to `sometarget`",
+    );
+}
+
+#[test]
+fn directory_link() {
+    broken_test(
+        "directory_link",
+        "foo.html:3: directory link to `somedir` (directory links should use index.html instead)",
+    );
+}
+
+#[test]
+fn redirect_loop() {
+    broken_test(
+        "redirect_loop",
+        "foo.html:3: redirect from `redir-bad.html` to `[..]redirect_loop/redir-bad.html` \
+         which is also a redirect (not supported)",
+    );
+}