7 files changed, 58 insertions, 3 deletions
diff --git a/tests/integration/fmt_tests.rs b/tests/integration/fmt_tests.rs
index dab2b2ce4..7a37ec2fc 100644
--- a/tests/integration/fmt_tests.rs
+++ b/tests/integration/fmt_tests.rs
@@ -31,6 +31,12 @@ fn fmt_test() {
   let badly_formatted_json = t.path().join("badly_formatted.json");
   badly_formatted_original_json.copy(&badly_formatted_json);
 
+  let fixed_css = testdata_fmt_dir.join("badly_formatted_fixed.css");
+  let badly_formatted_original_css =
+    testdata_fmt_dir.join("badly_formatted.css");
+  let badly_formatted_css = t.path().join("badly_formatted.css");
+  badly_formatted_original_css.copy(&badly_formatted_css);
+
   let fixed_ipynb = testdata_fmt_dir.join("badly_formatted_fixed.ipynb");
   let badly_formatted_original_ipynb =
     testdata_fmt_dir.join("badly_formatted.ipynb");
@@ -49,12 +55,13 @@ fn fmt_test() {
     .current_dir(&testdata_fmt_dir)
     .args_vec(vec![
       "fmt".to_string(),
+      "--unstable-css".to_string(),
       "--unstable-yaml".to_string(),
       format!(
-        "--ignore={badly_formatted_js},{badly_formatted_md},{badly_formatted_json},{badly_formatted_yaml},{badly_formatted_ipynb}",
+        "--ignore={badly_formatted_js},{badly_formatted_md},{badly_formatted_json},{badly_formatted_css},{badly_formatted_yaml},{badly_formatted_ipynb}",
       ),
       format!(
-        "--check {badly_formatted_js} {badly_formatted_md} {badly_formatted_json} {badly_formatted_yaml} {badly_formatted_ipynb}",
+        "--check {badly_formatted_js} {badly_formatted_md} {badly_formatted_json} {badly_formatted_css} {badly_formatted_yaml} {badly_formatted_ipynb}",
       ),
     ])
     .run();
@@ -70,10 +77,12 @@ fn fmt_test() {
     .args_vec(vec![
       "fmt".to_string(),
       "--check".to_string(),
+      "--unstable-css".to_string(),
       "--unstable-yaml".to_string(),
       badly_formatted_js.to_string(),
       badly_formatted_md.to_string(),
       badly_formatted_json.to_string(),
+      badly_formatted_css.to_string(),
       badly_formatted_yaml.to_string(),
       badly_formatted_ipynb.to_string(),
     ])
@@ -88,10 +97,12 @@ fn fmt_test() {
     .current_dir(&testdata_fmt_dir)
     .args_vec(vec![
       "fmt".to_string(),
+      "--unstable-css".to_string(),
       "--unstable-yaml".to_string(),
       badly_formatted_js.to_string(),
       badly_formatted_md.to_string(),
       badly_formatted_json.to_string(),
+      badly_formatted_css.to_string(),
       badly_formatted_yaml.to_string(),
       badly_formatted_ipynb.to_string(),
     ])
@@ -103,16 +114,19 @@ fn fmt_test() {
   let expected_js = fixed_js.read_to_string();
   let expected_md = fixed_md.read_to_string();
   let expected_json = fixed_json.read_to_string();
+  let expected_css = fixed_css.read_to_string();
   let expected_yaml = fixed_yaml.read_to_string();
   let expected_ipynb = fixed_ipynb.read_to_string();
   let actual_js = badly_formatted_js.read_to_string();
   let actual_md = badly_formatted_md.read_to_string();
   let actual_json = badly_formatted_json.read_to_string();
+  let actual_css = badly_formatted_css.read_to_string();
   let actual_yaml = badly_formatted_yaml.read_to_string();
   let actual_ipynb = badly_formatted_ipynb.read_to_string();
   assert_eq!(expected_js, actual_js);
   assert_eq!(expected_md, actual_md);
   assert_eq!(expected_json, actual_json);
+  assert_eq!(expected_css, actual_css);
   assert_eq!(expected_yaml, actual_yaml);
   assert_eq!(expected_ipynb, actual_ipynb);
 }
diff --git a/tests/specs/fmt/unstable_css/__test__.jsonc b/tests/specs/fmt/unstable_css/__test__.jsonc
new file mode 100644
index 000000000..32259f3ae
--- /dev/null
+++ b/tests/specs/fmt/unstable_css/__test__.jsonc
@@ -0,0 +1,25 @@
+{
+  "tempDir": true,
+  "tests": {
+    "nothing": {
+      "args": "fmt",
+      "output": "Checked 1 file\n"
+    },
+    "flag": {
+      "args": "fmt --unstable-css",
+      "output": "[WILDLINE]badly_formatted.css\nChecked 1 file\n"
+    },
+    "config_file": {
+      "steps": [{
+        "args": [
+          "eval",
+          "Deno.writeTextFile('deno.json', '{\\n  \"unstable\": [\"fmt-css\"]\\n}\\n')"
+        ],
+        "output": "[WILDCARD]"
+      }, {
+        "args": "fmt",
+        "output": "[WILDLINE]badly_formatted.css\nChecked 2 files\n"
+      }]
+    }
+  }
+}
diff --git a/tests/specs/fmt/unstable_css/badly_formatted.css b/tests/specs/fmt/unstable_css/badly_formatted.css
new file mode 100644
index 000000000..e57adb796
--- /dev/null
+++ b/tests/specs/fmt/unstable_css/badly_formatted.css
@@ -0,0 +1 @@
+#app>.btn{ color : #000 }
diff --git a/tests/testdata/fmt/badly_formatted.css b/tests/testdata/fmt/badly_formatted.css
new file mode 100644
index 000000000..bfe18b821
--- /dev/null
+++ b/tests/testdata/fmt/badly_formatted.css
@@ -0,0 +1,2 @@
+#app>.btn{ color : #000 }
+
diff --git a/tests/testdata/fmt/badly_formatted.md b/tests/testdata/fmt/badly_formatted.md
index 05a4b2f97..29d73b365 100644
--- a/tests/testdata/fmt/badly_formatted.md
+++ b/tests/testdata/fmt/badly_formatted.md
@@ -32,7 +32,7 @@ function foo(): number {
 {
   // Comment in JSON
   "key":          "value",
-                "key2":      
+                "key2":
                 "value2",
 }
 
@@ -49,3 +49,7 @@ function foo(): number {
 -  item1
 -  item2
 ```
+
+```css
+#app>.btn{ color : #000 }
+```
diff --git a/tests/testdata/fmt/badly_formatted_fixed.css b/tests/testdata/fmt/badly_formatted_fixed.css
new file mode 100644
index 000000000..1653551f4
--- /dev/null
+++ b/tests/testdata/fmt/badly_formatted_fixed.css
@@ -0,0 +1,3 @@
+#app > .btn {
+  color: #000;
+}
diff --git a/tests/testdata/fmt/badly_formatted_fixed.md b/tests/testdata/fmt/badly_formatted_fixed.md
index 7a7d1913b..db2afc809 100644
--- a/tests/testdata/fmt/badly_formatted_fixed.md
+++ b/tests/testdata/fmt/badly_formatted_fixed.md
@@ -40,3 +40,9 @@ function foo(): number {
 - item1
 - item2
 ```
+
+```css
+#app > .btn {
+  color: #000;
+}
+```