package main import ( "bytes" "errors" "net/http" "net/http/httptest" "testing" "github.com/stretchr/testify/assert" ) func TestCreateBucketHandler(t *testing.T) { assert := assert.New(t) tests := map[string]struct { s3 S3Client body string expectedStatusCode int expectedBodyContains string }{ "success": { s3: &S3ClientMock{}, body: "{\"name\":\"myBucket\"}", expectedStatusCode: http.StatusCreated, expectedBodyContains: "{\"name\":\"myBucket\",\"creationDate\":\"0001-01-01T00:00:00Z\"}\n", }, "empty request": { s3: &S3ClientMock{}, body: "", expectedStatusCode: http.StatusUnprocessableEntity, expectedBodyContains: http.StatusText(http.StatusUnprocessableEntity), }, "malformed request": { s3: &S3ClientMock{}, body: "}", expectedStatusCode: http.StatusUnprocessableEntity, expectedBodyContains: http.StatusText(http.StatusUnprocessableEntity), }, "s3 error": { s3: &S3ClientMock{ Err: errors.New("mocked S3 error"), }, body: "{\"name\":\"myBucket\"}", expectedStatusCode: http.StatusInternalServerError, expectedBodyContains: http.StatusText(http.StatusInternalServerError), }, } for tcID, tc := range tests { req, err := http.NewRequest(http.MethodPost, "/api/buckets", bytes.NewBufferString(tc.body)) assert.NoError(err, tcID) rr := httptest.NewRecorder() handler := CreateBucketHandler(tc.s3) handler.ServeHTTP(rr, req) assert.Equal(tc.expectedStatusCode, rr.Code, tcID) assert.Contains(rr.Body.String(), tc.expectedBodyContains, tcID) } }