1 files changed, 206 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/read_manifest.rs b/src/tools/cargo/tests/testsuite/read_manifest.rs
new file mode 100644
index 000000000..b5e9f05a3
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/read_manifest.rs
@@ -0,0 +1,206 @@
+//! Tests for the `cargo read-manifest` command.
+
+use cargo_test_support::{basic_bin_manifest, main_file, project};
+
+fn manifest_output(readme_value: &str) -> String {
+    format!(
+        r#"
+{{
+    "authors": [
+        "wycats@example.com"
+    ],
+    "categories": [],
+    "default_run": null,
+    "name":"foo",
+    "readme": {},
+    "homepage": null,
+    "documentation": null,
+    "repository": null,
+    "rust_version": null,
+    "version":"0.5.0",
+    "id":"foo[..]0.5.0[..](path+file://[..]/foo)",
+    "keywords": [],
+    "license": null,
+    "license_file": null,
+    "links": null,
+    "description": null,
+    "edition": "2015",
+    "source":null,
+    "dependencies":[],
+    "targets":[{{
+        "kind":["bin"],
+        "crate_types":["bin"],
+        "doc": true,
+        "doctest": false,
+        "test": true,
+        "edition": "2015",
+        "name":"foo",
+        "src_path":"[..]/foo/src/foo.rs"
+    }}],
+    "features":{{}},
+    "manifest_path":"[..]Cargo.toml",
+    "metadata": null,
+    "publish": null
+}}"#,
+        readme_value
+    )
+}
+
+fn manifest_output_no_readme() -> String {
+    manifest_output("null")
+}
+
+pub fn basic_bin_manifest_with_readme(name: &str, readme_filename: &str) -> String {
+    format!(
+        r#"
+            [package]
+
+            name = "{}"
+            version = "0.5.0"
+            authors = ["wycats@example.com"]
+            readme = {}
+
+            [[bin]]
+
+            name = "{}"
+        "#,
+        name, readme_filename, name
+    )
+}
+
+#[cargo_test]
+fn cargo_read_manifest_path_to_cargo_toml_relative() {
+    let p = project()
+        .file("Cargo.toml", &basic_bin_manifest("foo"))
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("read-manifest --manifest-path foo/Cargo.toml")
+        .cwd(p.root().parent().unwrap())
+        .with_json(&manifest_output_no_readme())
+        .run();
+}
+
+#[cargo_test]
+fn cargo_read_manifest_path_to_cargo_toml_absolute() {
+    let p = project()
+        .file("Cargo.toml", &basic_bin_manifest("foo"))
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("read-manifest --manifest-path")
+        .arg(p.root().join("Cargo.toml"))
+        .cwd(p.root().parent().unwrap())
+        .with_json(&manifest_output_no_readme())
+        .run();
+}
+
+#[cargo_test]
+fn cargo_read_manifest_path_to_cargo_toml_parent_relative() {
+    let p = project()
+        .file("Cargo.toml", &basic_bin_manifest("foo"))
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("read-manifest --manifest-path foo")
+        .cwd(p.root().parent().unwrap())
+        .with_status(101)
+        .with_stderr(
+            "[ERROR] the manifest-path must be \
+             a path to a Cargo.toml file",
+        )
+        .run();
+}
+
+#[cargo_test]
+fn cargo_read_manifest_path_to_cargo_toml_parent_absolute() {
+    let p = project()
+        .file("Cargo.toml", &basic_bin_manifest("foo"))
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("read-manifest --manifest-path")
+        .arg(p.root())
+        .cwd(p.root().parent().unwrap())
+        .with_status(101)
+        .with_stderr(
+            "[ERROR] the manifest-path must be \
+             a path to a Cargo.toml file",
+        )
+        .run();
+}
+
+#[cargo_test]
+fn cargo_read_manifest_cwd() {
+    let p = project()
+        .file("Cargo.toml", &basic_bin_manifest("foo"))
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("read-manifest")
+        .with_json(&manifest_output_no_readme())
+        .run();
+}
+
+#[cargo_test]
+fn cargo_read_manifest_with_specified_readme() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            &basic_bin_manifest_with_readme("foo", r#""SomeReadme.txt""#),
+        )
+        .file("SomeReadme.txt", "Sample Project")
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("read-manifest")
+        .with_json(&manifest_output(&format!(r#""{}""#, "SomeReadme.txt")))
+        .run();
+}
+
+#[cargo_test]
+fn cargo_read_manifest_default_readme() {
+    let readme_filenames = ["README.md", "README.txt", "README"];
+
+    for readme in readme_filenames.iter() {
+        let p = project()
+            .file("Cargo.toml", &basic_bin_manifest("foo"))
+            .file(readme, "Sample project")
+            .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+            .build();
+
+        p.cargo("read-manifest")
+            .with_json(&manifest_output(&format!(r#""{}""#, readme)))
+            .run();
+    }
+}
+
+#[cargo_test]
+fn cargo_read_manifest_suppress_default_readme() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            &basic_bin_manifest_with_readme("foo", "false"),
+        )
+        .file("README.txt", "Sample project")
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("read-manifest")
+        .with_json(&manifest_output_no_readme())
+        .run();
+}
+
+// If a file named README.md exists, and `readme = true`, the value `README.md` should be defaulted in.
+#[cargo_test]
+fn cargo_read_manifest_defaults_readme_if_true() {
+    let p = project()
+        .file("Cargo.toml", &basic_bin_manifest_with_readme("foo", "true"))
+        .file("README.md", "Sample project")
+        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
+        .build();
+
+    p.cargo("read-manifest")
+        .with_json(&manifest_output(r#""README.md""#))
+        .run();
+}