github.com/GoogleCloudPlatform/testgrid@v0.0.174/cmd/updater/main_test.go

/*
Copyright 2020 The TestGrid 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 main

import (
	"flag"
	"runtime"
	"testing"
	"time"

	"github.com/google/go-cmp/cmp"

	"github.com/GoogleCloudPlatform/testgrid/util"
	"github.com/GoogleCloudPlatform/testgrid/util/gcs"

	configpb "github.com/GoogleCloudPlatform/testgrid/pb/config"
)

func newPathOrDie(s string) *gcs.Path {
	p, err := gcs.NewPath(s)
	if err != nil {
		panic(err)
	}
	return p
}

func TestGatherFlagOptions(t *testing.T) {
	cases := []struct {
		name string
		args []string
		want func(*options)
		err  bool
	}{
		{
			name: "config is required",
			err:  true,
		},
		{
			name: "basically works",
			args: []string{"--config=gs://bucket/whatever"},
			want: func(o *options) {
				o.config = *newPathOrDie("gs://bucket/whatever")
			},
		},
		{
			name: "allow --config=gs://k8s-testgrid/config with default grid prefix",
			args: []string{
				"--config=gs://k8s-testgrid/config",
				"--confirm",
			},
			want: func(o *options) {
				o.config = *newPathOrDie("gs://k8s-testgrid/config")
				o.confirm = true
			},
		},
		{
			name: "allow --config=gs://k8s-testgrid/config --grid-prefix= without confirm",
			args: []string{
				"--config=gs://k8s-testgrid/config",
				"--grid-prefix=",
			},
			want: func(o *options) {
				o.config = *newPathOrDie("gs://k8s-testgrid/config")
				o.gridPrefix = ""
			},
		},
		{
			name: "allow --config=gs://k8s-testgrid/config with random grid prefix",
			args: []string{
				"--config=gs://k8s-testgrid/config",
				"--grid-prefix=random",
				"--confirm",
			},
			want: func(o *options) {
				o.config = *newPathOrDie("gs://k8s-testgrid/config")
				o.gridPrefix = "random"
				o.confirm = true
			},
		},
		{
			name: "reject --config=gs://k8s-testgrid/config --grid-prefix=",
			args: []string{
				"--config=gs://k8s-testgrid/config",
				"--grid-prefix=",
				"--confirm",
			},
			err: true,
		},
		{
			name: "allow --config=gs://random/location --grid-prefix=",
			args: []string{
				"--config=gs://random/location",
				"--grid-prefix=",
				"--confirm",
			},
			want: func(o *options) {
				o.config = *newPathOrDie("gs://random/location")
				o.gridPrefix = ""
				o.confirm = true
			},
		},
	}

	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			cores := runtime.NumCPU()
			want := options{
				buildTimeout:     3 * time.Minute,
				buildConcurrency: cores * 4,
				groupConcurrency: cores,
				groupTimeout:     10 * time.Minute,
				gridPrefix:       "grid",
			}
			if tc.want != nil {
				tc.want(&want)
			}
			got := gatherFlagOptions(flag.NewFlagSet(tc.name, flag.ContinueOnError), tc.args...)
			switch err := got.validate(); {
			case err != nil:
				if !tc.err {
					t.Errorf("validate() got an unexpected error: %v", err)
				}
			case tc.err:
				t.Error("validate() failed to return an error")
			default:
				if diff := cmp.Diff(want, got, cmp.AllowUnexported(options{}, gcs.Path{}), cmp.AllowUnexported(options{}, util.Strings{})); diff != "" {
					t.Fatalf("gatherFlagOptions() got unexpected diff (-want +got):\n%s", diff)
				}

			}
		})
	}
}

func TestSource(t *testing.T) {
	cases := []struct {
		name string
		tg   *configpb.TestGroup
		want resultSource
	}{
		{
			name: "nil",
			want: unknownSource,
		},
		{
			name: "empty",
			tg:   &configpb.TestGroup{},
			want: unknownSource,
		},
		{
			name: "use_kubernetes_client",
			tg: &configpb.TestGroup{
				UseKubernetesClient: true,
			},
			want: gcsSource,
		},
		{
			name: "GCS source",
			tg: &configpb.TestGroup{
				ResultSource: &configpb.TestGroup_ResultSource{
					ResultSourceConfig: &configpb.TestGroup_ResultSource_GcsConfig{
						GcsConfig: &configpb.GCSConfig{},
					},
				},
			},
			want: gcsSource,
		},
		{
			name: "ResultStore source",
			tg: &configpb.TestGroup{
				ResultSource: &configpb.TestGroup_ResultSource{
					ResultSourceConfig: &configpb.TestGroup_ResultSource_ResultstoreConfig{
						ResultstoreConfig: &configpb.ResultStoreConfig{},
					},
				},
			},
			want: resultStoreSource,
		},
		{
			name: "use_kubernetes_client and GCS source",
			tg: &configpb.TestGroup{
				UseKubernetesClient: true,
				ResultSource: &configpb.TestGroup_ResultSource{
					ResultSourceConfig: &configpb.TestGroup_ResultSource_GcsConfig{
						GcsConfig: &configpb.GCSConfig{},
					},
				},
			},
			want: gcsSource,
		},
		{
			name: "use_kubernetes_client and ResultStore source",
			tg: &configpb.TestGroup{
				UseKubernetesClient: true,
				ResultSource: &configpb.TestGroup_ResultSource{
					ResultSourceConfig: &configpb.TestGroup_ResultSource_ResultstoreConfig{
						ResultstoreConfig: &configpb.ResultStoreConfig{},
					},
				},
			},
			want: gcsSource,
		},
	}
	for _, tc := range cases {
		t.Run(tc.name, func(t *testing.T) {
			if got := source(tc.tg); tc.want != got {
				t.Errorf("Result source not as expected: want %v, got %v", tc.want, got)
			}
		})
	}
}