From c4ec9064063f3b15aeb25feb85a3afaaa02008ba Mon Sep 17 00:00:00 2001 From: Brian Picciano Date: Sun, 13 Aug 2023 22:06:32 +0200 Subject: Remove leftover static assets specific to individual blog posts --- .../component-oriented-design/v1/main_test.go | 167 --------------------- 1 file changed, 167 deletions(-) delete mode 100644 src/http/static/component-oriented-design/v1/main_test.go (limited to 'src/http/static/component-oriented-design/v1/main_test.go') diff --git a/src/http/static/component-oriented-design/v1/main_test.go b/src/http/static/component-oriented-design/v1/main_test.go deleted file mode 100644 index 6cfd9fb..0000000 --- a/src/http/static/component-oriented-design/v1/main_test.go +++ /dev/null @@ -1,167 +0,0 @@ -package main - -import ( - "bytes" - "net/http" - "net/http/httptest" - "reflect" - "testing" - "time" -) - -type nullLogger struct{} - -func (nullLogger) Printf(string, ...interface{}) {} - -//////////////////////////////////////////////////////////////////////////////// -// Test scoreboard component - -type fileStub struct { - *bytes.Buffer -} - -func newFileStub(init string) *fileStub { - return &fileStub{Buffer: bytes.NewBufferString(init)} -} - -func (fs *fileStub) Truncate(i int64) error { - fs.Buffer.Truncate(int(i)) - return nil -} - -func (fs *fileStub) Seek(i int64, whence int) (int64, error) { - return i, nil -} - -func TestScoreboard(t *testing.T) { - newScoreboard := func(t *testing.T, fileStub *fileStub, saveTicker <-chan time.Time) *scoreboard { - t.Helper() - scoreboard, err := newScoreboard(fileStub, saveTicker, nullLogger{}) - if err != nil { - t.Errorf("unexpected error checking saved scored: %v", err) - } - return scoreboard - } - - assertScores := func(t *testing.T, expScores, gotScores map[string]int) { - t.Helper() - if !reflect.DeepEqual(expScores, gotScores) { - t.Errorf("expected scores of %+v, but instead got %+v", expScores, gotScores) - } - } - - assertSavedScores := func(t *testing.T, expScores map[string]int, fileStub *fileStub) { - t.Helper() - fileStubCp := newFileStub(fileStub.String()) - tmpScoreboard := newScoreboard(t, fileStubCp, nil) - assertScores(t, expScores, tmpScoreboard.scores()) - } - - t.Run("loading", func(t *testing.T) { - // make sure loading scoreboards with various file contents works - assertSavedScores(t, map[string]int{}, newFileStub("")) - assertSavedScores(t, map[string]int{"foo": 1}, newFileStub(`{"foo":1}`)) - assertSavedScores(t, map[string]int{"foo": 1, "bar": -2}, newFileStub(`{"foo":1,"bar":-2}`)) - }) - - t.Run("tracking", func(t *testing.T) { - scoreboard := newScoreboard(t, newFileStub(""), nil) - assertScores(t, map[string]int{}, scoreboard.scores()) // sanity check - - scoreboard.guessedCorrect("foo") - assertScores(t, map[string]int{"foo": 1000}, scoreboard.scores()) - - scoreboard.guessedIncorrect("bar") - assertScores(t, map[string]int{"foo": 1000, "bar": -1}, scoreboard.scores()) - - scoreboard.guessedIncorrect("foo") - assertScores(t, map[string]int{"foo": 999, "bar": -1}, scoreboard.scores()) - }) - - t.Run("saving", func(t *testing.T) { - // this test tests scoreboard's periodic save feature using a ticker - // channel which will be written to manually. The saveLoopWaitCh is used - // here to ensure that each ticker has been fully processed. - ticker := make(chan time.Time) - fileStub := newFileStub("") - scoreboard := newScoreboard(t, fileStub, ticker) - - tick := func() { - ticker <- time.Time{} - scoreboard.saveLoopWaitCh <- struct{}{} - } - - // this should not effect the save file at first - scoreboard.guessedCorrect("foo") - assertSavedScores(t, map[string]int{}, fileStub) - - // after the ticker the new score should get saved - tick() - assertSavedScores(t, map[string]int{"foo": 1000}, fileStub) - - // ticker again after no changes should save the same thing as before - tick() - assertSavedScores(t, map[string]int{"foo": 1000}, fileStub) - - // buffer a bunch of changes, shouldn't get saved till after tick - scoreboard.guessedCorrect("foo") - scoreboard.guessedCorrect("bar") - scoreboard.guessedCorrect("bar") - assertSavedScores(t, map[string]int{"foo": 1000}, fileStub) - tick() - assertSavedScores(t, map[string]int{"foo": 2000, "bar": 2000}, fileStub) - }) -} - -//////////////////////////////////////////////////////////////////////////////// -// Test httpHandlers component - -type mockScoreboard map[string]int - -func (mockScoreboard) guessedCorrect(name string) int { return 1 } - -func (mockScoreboard) guessedIncorrect(name string) int { return -1 } - -func (m mockScoreboard) scores() map[string]int { return m } - -type mockRandSrc struct{} - -func (m mockRandSrc) Int() int { return 666 } - -func TestHTTPHandlers(t *testing.T) { - mockScoreboard := mockScoreboard{"foo": 1, "bar": 2} - httpHandlers := newHTTPHandlers(mockScoreboard, mockRandSrc{}, nullLogger{}) - - assertRequest := func(t *testing.T, expCode int, expBody string, r *http.Request) { - t.Helper() - rw := httptest.NewRecorder() - httpHandlers.ServeHTTP(rw, r) - if rw.Code != expCode { - t.Errorf("expected HTTP response code %d, got %d", expCode, rw.Code) - } else if rw.Body.String() != expBody { - t.Errorf("expected HTTP response body %q, got %q", expBody, rw.Body.String()) - } - } - - r := httptest.NewRequest("GET", "/guess?name=foo&n=665", nil) - assertRequest(t, 400, "Try higher. Your score is now -1\n", r) - - r = httptest.NewRequest("GET", "/guess?name=foo&n=667", nil) - assertRequest(t, 400, "Try lower. Your score is now -1\n", r) - - r = httptest.NewRequest("GET", "/guess?name=foo&n=666", nil) - assertRequest(t, 200, "Correct! Your score is now 1\n", r) - - r = httptest.NewRequest("GET", "/scores", nil) - assertRequest(t, 200, "bar: 2\nfoo: 1\n", r) -} - -//////////////////////////////////////////////////////////////////////////////// -// -// httpServer is NOT tested, for the following reasons: -// * It depends on a `net.Listener`, which is not trivial to mock. -// * It does very little besides passing an httpHandlers along to an http.Server -// and managing cleanup. -// * It isn't likely to be changed often. -// * If it were to break it would be very apparent in subsequent testing stages. -// -- cgit v1.2.3