fn test_repository_name_parsing()

in util/label/label.rs [224:279]

• 52 lines of code
• 1 McCabe index (conditional complexity)

    fn test_repository_name_parsing() -> Result<()> {
        assert_eq!(analyze("@repo//:foo")?.repository_name, Some("repo"));
        assert_eq!(analyze("@//:foo")?.repository_name, None);
        assert_eq!(analyze("//:foo")?.repository_name, None);
        assert_eq!(analyze(":foo")?.repository_name, None);

        assert_eq!(analyze("@repo//foo/bar")?.repository_name, Some("repo"));
        assert_eq!(analyze("@//foo/bar")?.repository_name, None);
        assert_eq!(analyze("//foo/bar")?.repository_name, None);
        assert_eq!(
            analyze("foo/bar"),
            Err(LabelError(
                "foo/bar must be a legal label; relative packages are not permitted.".to_string()
            ))
        );

        assert_eq!(analyze("@repo//foo")?.repository_name, Some("repo"));
        assert_eq!(analyze("@//foo")?.repository_name, None);
        assert_eq!(analyze("//foo")?.repository_name, None);
        assert_eq!(
            analyze("foo"),
            Err(LabelError(
                "foo must be a legal label; relative packages are not permitted.".to_string()
            ))
        );

        assert_eq!(
            analyze("@foo:bar"),
            Err(LabelError(
                "@foo:bar must be a legal label; labels with repository must contain //."
                    .to_string()
            ))
        );

        assert_eq!(
            analyze("@AZab0123456789_-.//:foo")?.repository_name,
            Some("AZab0123456789_-.")
        );
        assert_eq!(
            analyze("@42//:baz"),
            Err(LabelError(
                "@42//:baz must be a legal label; workspace names must \
            start with a letter."
                    .to_string()
            ))
        );
        assert_eq!(
            analyze("@foo#//:baz"),
            Err(LabelError(
                "@foo#//:baz must be a legal label; workspace names \
            may contain only A-Z, a-z, 0-9, '-', '_', and '.'."
                    .to_string()
            ))
        );
        Ok(())
    }