gotestingmock mocking utilities for unit test in Go.
func Test(t *testing.T) {
t.Parallel()
// gotestingmock.Run simulates a test function on a goroutine.
got := gotestingmock.Run(func(tb *gotestingmock.TB) {
// The test helper can use *gotestingmock.TB as testing.TB
// which is implemented by testing.T, testing.B and testing.F.
MyTestHelper(tb, "arg1")
})
// Check if the test helper failed with t.Error, t.Fatal or similar methods.
if !got.Failed {
t.Error("expected failed did not occur")
}
// Check that the test helper has panicked.
if got.PanicValue != nil {
t.Error("unexpected panic:", got.PanicValue)
}
}func TestWithHTTPServer(t *testing.T) {
tb := gotestingmock.StrictGoexit(t)
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// This will panic because it's called from the handler's goroutine
// tb.Fatal("unexpected error")
// Instead, use proper error handling:
if err := someOperation(); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
}))
defer server.Close()
resp, err := http.Get(server.URL)
if err != nil {
tb.Fatal(err) // This is safe - called from test goroutine
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
tb.Fatalf("expected status 200, got %d", resp.StatusCode)
}
}MIT