Add tests

Signed-off-by: Kenta Kozuka <[email protected]>

pkg/app/server/grpcapi/grpcapi_test.go

@@ -0,0 +1,90 @@
+// Copyright 2023 The PipeCD Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package grpcapi
+
+import (
+	"errors"
+	"fmt"
+	"testing"
+
+	"github.com/pipe-cd/pipecd/pkg/datastore"
+	"github.com/pipe-cd/pipecd/pkg/filestore"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func TestGRPCStoreError(t *testing.T) {
+	t.Parallel()
+	tests := []struct {
+		name     string
+		inputErr error
+		inputMsg string
+		expected error
+	}{
+		{
+			name:     "datastore not found error",
+			inputErr: datastore.ErrNotFound,
+			inputMsg: "datastore",
+			expected: status.Error(codes.NotFound, "Entity was not found to datastore"),
+		},
+		{
+			name:     "filestore not found error",
+			inputErr: filestore.ErrNotFound,
+			inputMsg: "filestore",
+			expected: status.Error(codes.NotFound, "Entity was not found to filestore"),
+		},
+		{
+			name:     "stagelogstore not found error",
+			inputErr: filestore.ErrNotFound,
+			inputMsg: "stagelogstore",
+			expected: status.Error(codes.NotFound, "Entity was not found to stagelogstore"),
+		},
+		{
+			name:     "datastore invalid argument error",
+			inputErr: datastore.ErrInvalidArgument,
+			inputMsg: "datastore",
+			expected: status.Error(codes.InvalidArgument, "Invalid argument to datastore"),
+		},
+		{
+			name:     "datastore already exists error",
+			inputErr: datastore.ErrAlreadyExists,
+			inputMsg: "datastore",
+			expected: status.Error(codes.AlreadyExists, "Entity already exists to datastore"),
+		},
+		{
+			name:     "user defined error",
+			inputErr: datastore.ErrUserDefined,
+			expected: status.Error(codes.FailedPrecondition, "user defined error"),
+		},
+		{
+			name:     "user defined error with message",
+			inputErr: fmt.Errorf("%w: %s", datastore.ErrUserDefined, "test"),
+			expected: status.Error(codes.FailedPrecondition, "user defined error: test"),
+		},
+		{
+			name:     "internal error",
+			inputErr: errors.New("internal error"),
+			inputMsg: "test",
+			expected: status.Error(codes.Internal, "Failed to test"),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := gRPCStoreError(tt.inputErr, tt.inputMsg)
+			assert.Equal(t, tt.expected, err)
+		})
+	}
+}