1 files changed, 37 insertions, 0 deletions
diff --git a/tools/gitaly-linters/testdata/src/errorwrap/errorwrap_test.go b/tools/gitaly-linters/testdata/src/errorwrap/errorwrap_test.go
new file mode 100644
index 000000000..5f6764e63
--- /dev/null
+++ b/tools/gitaly-linters/testdata/src/errorwrap/errorwrap_test.go
@@ -0,0 +1,37 @@
+package errorwrap
+
+import (
+	"fmt"
+)
+
+// This file is the test fixture for Gitaly linters
+
+func call(format string, err error) {}
+
+func errorWrapOkay() {
+	err := fmt.Errorf("test error")
+
+	_ = fmt.Errorf("error: %s", "something else")
+	_ = fmt.Errorf("error: %v", "something else")
+	_ = fmt.Errorf("error: %q", "something else")
+	_ = fmt.Errorf("error: %s %d", "something else", 5)
+	_ = fmt.Errorf("error: %w", err)
+	_ = fmt.Errorf("error: %w", fmt.Errorf("error: %s", "hello"))
+
+	call("error: %w", fmt.Errorf("error: %s", "hello"))
+	_ = fmt.Sprintf("error: %s", err)
+}
+
+func errorWrapNotOkay() {
+	err := fmt.Errorf("test error")
+
+	_ = fmt.Errorf("error: %s", err)                      // want "please use %w to wrap errors"
+	_ = fmt.Errorf("error: %s", fmt.Errorf("test error")) // want "please use %w to wrap errors"
+	_ = fmt.Errorf("error: %v", err)                      // want "please use %w to wrap errors"
+	_ = fmt.Errorf("error: %v", fmt.Errorf("test error")) // want "please use %w to wrap errors"
+	_ = fmt.Errorf("error: %q", err)                      // want "please use %w to wrap errors"
+	_ = fmt.Errorf("error: %q", fmt.Errorf("test error")) // want "please use %w to wrap errors"
+	_ = fmt.Errorf("error number %d: %s", 5, err)         // want "please use %w to wrap errors"
+	_ = fmt.Errorf("error: %w", err)
+	_ = fmt.Errorf("error: %w", fmt.Errorf("error: %s", err)) // want "please use %w to wrap errors"
+}