1 files changed, 65 insertions, 0 deletions
diff --git a/internal/bug/bug_test.go b/internal/bug/bug_test.go
new file mode 100644
index 000000000..edfc10386
--- /dev/null
+++ b/internal/bug/bug_test.go
@@ -0,0 +1,65 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package bug
+
+import (
+	"fmt"
+	"testing"
+)
+
+func resetForTesting() {
+	exemplars = nil
+	waiters = nil
+}
+
+func TestListBugs(t *testing.T) {
+	defer resetForTesting()
+
+	Report("bad", nil)
+
+	wantBugs(t, "bad")
+
+	for i := 0; i < 3; i++ {
+		Report(fmt.Sprintf("index:%d", i), nil)
+	}
+
+	wantBugs(t, "bad", "index:0")
+}
+
+func wantBugs(t *testing.T, want ...string) {
+	t.Helper()
+
+	bugs := List()
+	if got, want := len(bugs), len(want); got != want {
+		t.Errorf("List(): got %d bugs, want %d", got, want)
+		return
+	}
+
+	for i, b := range bugs {
+		if got, want := b.Description, want[i]; got != want {
+			t.Errorf("bug.List()[%d] = %q, want %q", i, got, want)
+		}
+	}
+}
+
+func TestBugNotification(t *testing.T) {
+	defer resetForTesting()
+
+	Report("unseen", nil)
+
+	notify1 := Notify()
+	notify2 := Notify()
+
+	Report("seen", Data{"answer": 42})
+
+	for _, got := range []Bug{<-notify1, <-notify2} {
+		if got, want := got.Description, "seen"; got != want {
+			t.Errorf("Saw bug %q, want %q", got, want)
+		}
+		if got, want := got.Data["answer"], 42; got != want {
+			t.Errorf(`bug.Data["answer"] = %v, want %v`, got, want)
+		}
+	}
+}