package s3manager_test import ( "bytes" "errors" "net/http" "net/http/httptest" "testing" "github.com/mastertinner/s3manager/internal/app/s3manager" "github.com/stretchr/testify/assert" ) func TestCreateBucketHandler(t *testing.T) { cases := map[string]struct { makeBucketFunc func(string, string) error body string expectedStatusCode int expectedBodyContains string }{ "creates a new bucket": { makeBucketFunc: func(bucketName string, location string) error { return nil }, body: "{\"name\":\"myBucket\"}", expectedStatusCode: http.StatusCreated, expectedBodyContains: "{\"name\":\"myBucket\",\"creationDate\":\"0001-01-01T00:00:00Z\"}\n", }, "returns error for empty request": { makeBucketFunc: func(bucketName string, location string) error { return nil }, body: "", expectedStatusCode: http.StatusUnprocessableEntity, expectedBodyContains: http.StatusText(http.StatusUnprocessableEntity), }, "returns error for malformed request": { makeBucketFunc: func(bucketName string, location string) error { return nil }, body: "}", expectedStatusCode: http.StatusUnprocessableEntity, expectedBodyContains: http.StatusText(http.StatusUnprocessableEntity), }, "returns error if there is an S3 error": { makeBucketFunc: func(bucketName string, location string) error { return errors.New("mocked S3 error") }, body: "{\"name\":\"myBucket\"}", expectedStatusCode: http.StatusInternalServerError, expectedBodyContains: http.StatusText(http.StatusInternalServerError), }, } for tcID, tc := range cases { t.Run(tcID, func(t *testing.T) { assert := assert.New(t) s3 := &S3Mock{ MakeBucketFunc: tc.makeBucketFunc, } req, err := http.NewRequest(http.MethodPost, "/api/buckets", bytes.NewBufferString(tc.body)) assert.NoError(err, tcID) rr := httptest.NewRecorder() handler := s3manager.CreateBucketHandler(s3) handler.ServeHTTP(rr, req) resp := rr.Result() assert.Equal(tc.expectedStatusCode, resp.StatusCode, tcID) assert.Contains(rr.Body.String(), tc.expectedBodyContains, tcID) }) } }