add tests

Author: RobinMalfait

crates/oxide/tests/scan_dir.rs

@@ -1,12 +1,19 @@
 #[cfg(test)]
 mod scan_dir {
+    use serial_test::serial;
     use std::fs;
     use std::process::Command;
 
     use tailwindcss_oxide::*;
     use tempfile::tempdir;
 
-    fn scan(paths_with_content: &[(&str, Option<&str>)]) -> (Vec<String>, Vec<String>) {
+    fn scan_with_globs(
+        paths_with_content: &[(&str, Option<&str>)],
+        globs: Vec<&str>,
+    ) -> (Vec<String>, Vec<String>) {
+        // Ensure that every test truly runs in isolation without any cache
+        clear_cache();
+
         // Create a temporary working directory
         let dir = tempdir().unwrap().into_path();
 
@@ -30,7 +37,10 @@ mod scan_dir {
         let base = format!("{}", dir.display());
 
         // Resolve all content paths for the (temporary) current working directory
-        let result = scan_dir(ScanOptions { base: base.clone() });
+        let result = scan_dir(ScanOptions {
+            base: base.clone(),
+            content_paths: globs.iter().map(|x| x.to_string()).collect(),
+        });
 
         let mut paths: Vec<_> = result
             .files
@@ -57,11 +67,16 @@ mod scan_dir {
         (paths, result.candidates)
     }
 
+    fn scan(paths_with_content: &[(&str, Option<&str>)]) -> (Vec<String>, Vec<String>) {
+        scan_with_globs(paths_with_content, vec![])
+    }
+
     fn test(paths_with_content: &[(&str, Option<&str>)]) -> Vec<String> {
         scan(paths_with_content).0
     }
 
     #[test]
+    #[serial]
     fn it_should_work_with_a_set_of_root_files() {
         let globs = test(&[
             ("index.html", None),
@@ -73,6 +88,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_work_with_a_set_of_root_files_and_ignore_ignored_files() {
         let globs = test(&[
             (".gitignore", Some("b.html")),
@@ -85,6 +101,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_list_all_files_in_the_public_folder_explicitly() {
         let globs = test(&[
             ("index.html", None),
@@ -104,6 +121,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_list_nested_folders_explicitly_in_the_public_folder() {
         let globs = test(&[
             ("index.html", None),
@@ -133,6 +151,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_list_all_files_in_the_public_folder_explicitly_except_ignored_files() {
         let globs = test(&[
             (".gitignore", Some("public/b.html\na.html")),
@@ -145,6 +164,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_use_a_glob_for_top_level_folders() {
         let globs = test(&[
             ("index.html", None),
@@ -162,6 +182,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_ignore_binary_files() {
         let globs = test(&[
             ("index.html", None),
@@ -173,6 +194,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_ignore_known_extensions() {
         let globs = test(&[
             ("index.html", None),
@@ -184,6 +206,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_ignore_known_files() {
         let globs = test(&[
             ("index.html", None),
@@ -194,6 +217,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_ignore_and_expand_nested_ignored_folders() {
         let globs = test(&[
             // Explicitly listed root files
@@ -280,6 +304,7 @@ mod scan_dir {
     }
 
     #[test]
+    #[serial]
     fn it_should_scan_for_utilities() {
         let mut ignores = String::new();
         ignores.push_str("# md:font-bold\n");
@@ -304,4 +329,37 @@ mod scan_dir {
             vec!["condition", "div", "font-bold", "md:flex", "px-4"]
         );
     }
+
+    #[test]
+    #[serial]
+    fn it_should_scan_content_paths() {
+        let candidates = scan_with_globs(
+            &[
+                // We know that `.styl` extensions are ignored, so they are not covered by auto content
+                // detection.
+                ("foo.styl", Some("content-['foo.styl']")),
+            ],
+            vec!["*.styl"],
+        )
+        .1;
+
+        assert_eq!(candidates, vec!["content-['foo.styl']"]);
+    }
+
+    #[test]
+    #[serial]
+    fn it_should_scan_content_paths_even_when_they_are_git_ignored() {
+        let candidates = scan_with_globs(
+            &[
+                (".gitignore", Some("foo.styl")),
+                // We know that `.styl` extensions are ignored, so they are not covered by auto content
+                // detection.
+                ("foo.styl", Some("content-['foo.styl']")),
+            ],
+            vec!["*.styl"],
+        )
+        .1;
+
+        assert_eq!(candidates, vec!["content-['foo.styl']"]);
+    }
 }