From c9598a4cbfdf4b0d0d993043dca48c1615b63145 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Sat, 29 May 2021 17:19:49 +0200
Subject: Add some lint completion tests

---
 .../src/completions/attribute/derive.rs            | 38 +++++++++++++---------
 .../src/completions/attribute/lint.rs              | 33 +++++++++++++++++++
 2 files changed, 55 insertions(+), 16 deletions(-)

(limited to 'crates/ide_completion/src/completions/attribute')

diff --git a/crates/ide_completion/src/completions/attribute/derive.rs b/crates/ide_completion/src/completions/attribute/derive.rs
index 7b0a778a2..634c0cb00 100644
--- a/crates/ide_completion/src/completions/attribute/derive.rs
+++ b/crates/ide_completion/src/completions/attribute/derive.rs
@@ -45,6 +45,7 @@ pub(super) fn complete_derive(
         }
     }
 }
+
 fn get_derive_names_in_scope(ctx: &CompletionContext) -> FxHashSet<String> {
     let mut result = FxHashSet::default();
     ctx.scope.process_all_names(&mut |name, scope_def| {
@@ -89,12 +90,14 @@ mod tests {
     }
 
     #[test]
-    fn empty_derive_completion() {
+    fn no_completion_for_incorrect_derive() {
+        check(r#"#[derive{$0)] struct Test;"#, expect![[]])
+    }
+
+    #[test]
+    fn empty_derive() {
         check(
-            r#"
-#[derive($0)]
-struct Test {}
-        "#,
+            r#"#[derive($0)] struct Test;"#,
             expect![[r#"
                 at Clone
                 at Clone, Copy
@@ -110,23 +113,26 @@ struct Test {}
     }
 
     #[test]
-    fn no_completion_for_incorrect_derive() {
+    fn derive_with_input() {
         check(
-            r#"
-#[derive{$0)]
-struct Test {}
-"#,
-            expect![[r#""#]],
+            r#"#[derive(serde::Serialize, PartialEq, $0)] struct Test;"#,
+            expect![[r#"
+                at Clone
+                at Clone, Copy
+                at Debug
+                at Default
+                at Hash
+                at Eq
+                at PartialOrd
+                at Eq, PartialOrd, Ord
+            "#]],
         )
     }
 
     #[test]
-    fn derive_with_input_completion() {
+    fn derive_with_input2() {
         check(
-            r#"
-#[derive(serde::Serialize, PartialEq, $0)]
-struct Test {}
-"#,
+            r#"#[derive($0 serde::Serialize, PartialEq)] struct Test;"#,
             expect![[r#"
                 at Clone
                 at Clone, Copy
diff --git a/crates/ide_completion/src/completions/attribute/lint.rs b/crates/ide_completion/src/completions/attribute/lint.rs
index 115c6cfe0..403630dce 100644
--- a/crates/ide_completion/src/completions/attribute/lint.rs
+++ b/crates/ide_completion/src/completions/attribute/lint.rs
@@ -152,3 +152,36 @@ pub(super) const DEFAULT_LINT_COMPLETIONS: &[LintCompletion] = &[
     LintCompletion { label: "unconditional_panic", description: r#"operation will cause a panic at runtime"# },
     LintCompletion { label: "unknown_crate_types", description: r#"unknown crate type found in `#[crate_type]` directive"# },
 ];
+
+#[cfg(test)]
+mod tests {
+
+    use crate::test_utils::check_edit;
+
+    #[test]
+    fn check_empty() {
+        check_edit(
+            "deprecated",
+            r#"#[allow($0)] struct Test;"#,
+            r#"#[allow(deprecated)] struct Test;"#,
+        )
+    }
+
+    #[test]
+    fn check_with_existing() {
+        check_edit(
+            "deprecated",
+            r#"#[allow(keyword_idents, $0)] struct Test;"#,
+            r#"#[allow(keyword_idents, deprecated)] struct Test;"#,
+        )
+    }
+
+    #[test]
+    fn check_qualified() {
+        check_edit(
+            "deprecated",
+            r#"#[allow(keyword_idents, $0)] struct Test;"#,
+            r#"#[allow(keyword_idents, deprecated)] struct Test;"#,
+        )
+    }
+}
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