From 8c3472b6f98efed1eb4e1bd9540946fe66fc5863 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 30 Nov 2020 13:45:32 +0300
Subject: Minor cleanup

---
 crates/assists/src/handlers/toggle_ignore.rs | 98 ++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 crates/assists/src/handlers/toggle_ignore.rs

(limited to 'crates/assists/src/handlers/toggle_ignore.rs')

diff --git a/crates/assists/src/handlers/toggle_ignore.rs b/crates/assists/src/handlers/toggle_ignore.rs
new file mode 100644
index 000000000..14b420421
--- /dev/null
+++ b/crates/assists/src/handlers/toggle_ignore.rs
@@ -0,0 +1,98 @@
+use syntax::{
+    ast::{self, AttrsOwner},
+    AstNode, AstToken,
+};
+
+use crate::{utils::test_related_attribute, AssistContext, AssistId, AssistKind, Assists};
+
+// Assist: toggle_ignore
+//
+// Adds `#[ignore]` attribute to the test.
+//
+// ```
+// <|>#[test]
+// fn arithmetics {
+//     assert_eq!(2 + 2, 5);
+// }
+// ```
+// ->
+// ```
+// #[test]
+// #[ignore]
+// fn arithmetics {
+//     assert_eq!(2 + 2, 5);
+// }
+// ```
+pub(crate) fn toggle_ignore(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
+    let attr: ast::Attr = ctx.find_node_at_offset()?;
+    let func = attr.syntax().parent().and_then(ast::Fn::cast)?;
+    let attr = test_related_attribute(&func)?;
+
+    match has_ignore_attribute(&func) {
+        None => acc.add(
+            AssistId("toggle_ignore", AssistKind::None),
+            "Ignore this test",
+            attr.syntax().text_range(),
+            |builder| builder.insert(attr.syntax().text_range().end(), &format!("\n#[ignore]")),
+        ),
+        Some(ignore_attr) => acc.add(
+            AssistId("toggle_ignore", AssistKind::None),
+            "Re-enable this test",
+            ignore_attr.syntax().text_range(),
+            |builder| {
+                builder.delete(ignore_attr.syntax().text_range());
+                let whitespace = ignore_attr
+                    .syntax()
+                    .next_sibling_or_token()
+                    .and_then(|x| x.into_token())
+                    .and_then(ast::Whitespace::cast);
+                if let Some(whitespace) = whitespace {
+                    builder.delete(whitespace.syntax().text_range());
+                }
+            },
+        ),
+    }
+}
+
+fn has_ignore_attribute(fn_def: &ast::Fn) -> Option<ast::Attr> {
+    fn_def.attrs().find(|attr| attr.path().map(|it| it.syntax().text() == "ignore") == Some(true))
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::tests::check_assist;
+
+    use super::*;
+
+    #[test]
+    fn test_base_case() {
+        check_assist(
+            toggle_ignore,
+            r#"
+            #[test<|>]
+            fn test() {}
+            "#,
+            r#"
+            #[test]
+            #[ignore]
+            fn test() {}
+            "#,
+        )
+    }
+
+    #[test]
+    fn test_unignore() {
+        check_assist(
+            toggle_ignore,
+            r#"
+            #[test<|>]
+            #[ignore]
+            fn test() {}
+            "#,
+            r#"
+            #[test]
+            fn test() {}
+            "#,
+        )
+    }
+}
-- 
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