1 files changed, 31 insertions, 0 deletions
diff --git a/clippy-flymake-test.el b/clippy-flymake-test.el
new file mode 100644
index 0000000..f33db6c
--- /dev/null
+++ b/clippy-flymake-test.el
@@ -0,0 +1,31 @@
+;;; clippy-flymake-test.el   -*- lexical-binding: t; -*-
+
+(require 'clippy-flymake)
+(require 'ert)
+
+(defun run-regexp (filename)
+  (set-match-data nil)
+  (search-forward-regexp (clippy-flymake--build-regexp filename) nil t)
+  (list (match-string 1)
+        (match-string 2)
+        (match-string 3)))
+
+(ert-deftest clippy-test-regexp ()
+  "Tests regexp matches diagnostic information."
+  (should (equal (with-temp-buffer
+                   (insert-file-contents "./test/fixture.txt")
+                   (run-regexp "foo.rs"))
+                 '("warning: unused variable: `user`" "  --> src/database/foo.rs" "42")))
+  (should (equal (with-temp-buffer
+                   (insert-file-contents "./test/fixture.txt")
+                   (run-regexp "foo.rs")
+                   (run-regexp "foo.rs"))
+                 '("warning: using `clone` on type `Status` which implements the `Copy` trait" "  --> src/foo.rs" "31")))
+  (should (equal (with-temp-buffer
+                   (insert-file-contents "./test/fixture.txt")
+                   (run-regexp "user.rs"))
+                 '("warning: unused variable: `user`" "  --> src/foobar/user.rs" "42")))
+  (should (equal (with-temp-buffer
+                   (insert-file-contents "./test/fixture.txt")
+                   (run-regexp "notfound.rs"))
+                 '(nil nil nil))))