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Merge pull request #61 from evrone/feature/unit-tests
Add unit tests for usecase
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| package usecase_test | ||
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| import ( | ||
| "context" | ||
| "errors" | ||
| "testing" | ||
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| "github.com/golang/mock/gomock" | ||
| "github.com/stretchr/testify/require" | ||
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| "github.com/evrone/go-clean-template/internal/entity" | ||
| "github.com/evrone/go-clean-template/internal/usecase" | ||
| ) | ||
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| var errInternalServErr = errors.New("internal server error") | ||
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| type test struct { | ||
| name string | ||
| mock func() | ||
| res interface{} | ||
| err error | ||
| } | ||
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| func translation(t *testing.T) (*usecase.TranslationUseCase, *MockTranslationRepo, *MockTranslationWebAPI) { | ||
| t.Helper() | ||
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| mockCtl := gomock.NewController(t) | ||
| defer mockCtl.Finish() | ||
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| repo := NewMockTranslationRepo(mockCtl) | ||
| webAPI := NewMockTranslationWebAPI(mockCtl) | ||
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| translation := usecase.New(repo, webAPI) | ||
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| return translation, repo, webAPI | ||
| } | ||
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| func TestHistory(t *testing.T) { | ||
| t.Parallel() | ||
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| translation, repo, _ := translation(t) | ||
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| tests := []test{ | ||
| { | ||
| name: "empty result", | ||
| mock: func() { | ||
| repo.EXPECT().GetHistory(context.Background()).Return(nil, nil) | ||
| }, | ||
| res: []entity.Translation(nil), | ||
| err: nil, | ||
| }, | ||
| { | ||
| name: "result with error", | ||
| mock: func() { | ||
| repo.EXPECT().GetHistory(context.Background()).Return(nil, errInternalServErr) | ||
| }, | ||
| res: []entity.Translation(nil), | ||
| err: errInternalServErr, | ||
| }, | ||
| } | ||
|
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| for _, tc := range tests { | ||
| tc := tc | ||
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| t.Run(tc.name, func(t *testing.T) { | ||
| t.Parallel() | ||
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| tc.mock() | ||
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| res, err := translation.History(context.Background()) | ||
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| require.Equal(t, res, tc.res) | ||
| require.ErrorIs(t, err, tc.err) | ||
| }) | ||
| } | ||
| } | ||
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| func TestTranslate(t *testing.T) { | ||
| t.Parallel() | ||
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| translation, repo, webAPI := translation(t) | ||
|
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| tests := []test{ | ||
| { | ||
| name: "empty result", | ||
| mock: func() { | ||
| webAPI.EXPECT().Translate(entity.Translation{}).Return(entity.Translation{}, nil) | ||
| repo.EXPECT().Store(context.Background(), entity.Translation{}).Return(nil) | ||
| }, | ||
| res: entity.Translation{}, | ||
| err: nil, | ||
| }, | ||
| { | ||
| name: "web API error", | ||
| mock: func() { | ||
| webAPI.EXPECT().Translate(entity.Translation{}).Return(entity.Translation{}, errInternalServErr) | ||
| }, | ||
| res: entity.Translation{}, | ||
| err: errInternalServErr, | ||
| }, | ||
| { | ||
| name: "repo error", | ||
| mock: func() { | ||
| webAPI.EXPECT().Translate(entity.Translation{}).Return(entity.Translation{}, nil) | ||
| repo.EXPECT().Store(context.Background(), entity.Translation{}).Return(errInternalServErr) | ||
| }, | ||
| res: entity.Translation{}, | ||
| err: errInternalServErr, | ||
| }, | ||
| } | ||
|
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| for _, tc := range tests { | ||
| tc := tc | ||
|
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| t.Run(tc.name, func(t *testing.T) { | ||
| t.Parallel() | ||
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| tc.mock() | ||
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| res, err := translation.Translate(context.Background(), entity.Translation{}) | ||
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| require.EqualValues(t, res, tc.res) | ||
| require.ErrorIs(t, err, tc.err) | ||
| }) | ||
| } | ||
| } |