// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package main

import (
	"context"
	"testing"

	"github.com/golang/mock/gomock"
	"go.chromium.org/luci/common/proto/git"
	gitilespb "go.chromium.org/luci/common/proto/gitiles"
)

func TestGetLatestCommit(t *testing.T) {
	t.Parallel()
	var tests = []struct {
		project  string
		expected string
	}{
		{
			project:  "test-project",
			expected: "foobar",
		},
	}
	for _, test := range tests {
		ctrl := gomock.NewController(t)
		defer ctrl.Finish()
		mockGitilesClient := gitilespb.NewMockGitilesClient(ctrl)
		req := gitilespb.LogRequest{
			Project:    test.project,
			Committish: "refs/heads/master",
			PageSize:   1,
		}
		// Client returns a successful ChangeInfo response.
		resp := gitilespb.LogResponse{
			Log: []*git.Commit{{Id: "foobar"}},
		}
		mockGitilesClient.EXPECT().Log(gomock.Any(), &req).Return(&resp, nil)
		mockGitilesClientWrapper := gitilesClientWrapper{
			client:  mockGitilesClient,
			project: test.project,
		}
		ctx := context.Background()
		commit, err := mockGitilesClientWrapper.getLatestCommit(ctx)
		if err != nil {
			t.Errorf("got unexpected err %v", err)
		}
		if test.expected != commit {
			t.Errorf("expected: %s\nactual: %s\n", test.expected, commit)
		}
	}
}