package s3manager_test import ( "context" "io" "net/http" "net/http/httptest" "os" "path/filepath" "strings" "testing" "github.com/cloudlena/s3manager/internal/app/s3manager" "github.com/cloudlena/s3manager/internal/app/s3manager/mocks" "github.com/matryer/is" "github.com/minio/minio-go/v7" ) func TestHandleBucketsView(t *testing.T) { t.Parallel() cases := []struct { it string listBucketsFunc func(context.Context) ([]minio.BucketInfo, error) expectedStatusCode int expectedBodyContains string }{ { it: "renders a list of buckets", listBucketsFunc: func(context.Context) ([]minio.BucketInfo, error) { return []minio.BucketInfo{{Name: "BUCKET-NAME"}}, nil }, expectedStatusCode: http.StatusOK, expectedBodyContains: "BUCKET-NAME", }, { it: "renders placeholder if no buckets", listBucketsFunc: func(context.Context) ([]minio.BucketInfo, error) { return []minio.BucketInfo{}, nil }, expectedStatusCode: http.StatusOK, expectedBodyContains: "No buckets yet", }, { it: "returns error if there is an S3 error", listBucketsFunc: func(context.Context) ([]minio.BucketInfo, error) { return []minio.BucketInfo{}, errS3 }, expectedStatusCode: http.StatusInternalServerError, expectedBodyContains: http.StatusText(http.StatusInternalServerError), }, } for _, tc := range cases { tc := tc t.Run(tc.it, func(t *testing.T) { t.Parallel() is := is.New(t) s3 := &mocks.S3Mock{ ListBucketsFunc: tc.listBucketsFunc, } templates := os.DirFS(filepath.Join("..", "..", "..", "web", "template")) req, err := http.NewRequest(http.MethodGet, "/buckets", nil) is.NoErr(err) rr := httptest.NewRecorder() handler := s3manager.HandleBucketsView(s3, templates, true) handler.ServeHTTP(rr, req) resp := rr.Result() defer resp.Body.Close() body, err := io.ReadAll(resp.Body) is.NoErr(err) is.Equal(tc.expectedStatusCode, resp.StatusCode) // status code is.True(strings.Contains(string(body), tc.expectedBodyContains)) // body }) } }