forked from googlecodelabs/tools
-
Notifications
You must be signed in to change notification settings - Fork 0
/
webtest.go
158 lines (145 loc) · 4.34 KB
/
webtest.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
// Copyright 2018 Google Inc.
//
// 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.
// The webtest command runs a Google Closure based JS tests.
// It exits with non-zero code if any of the tests fail.
package main
import (
"encoding/json"
"flag"
"fmt"
"log"
"net"
"net/http"
"os"
"strings"
"time"
"github.com/bazelbuild/rules_webtesting/go/webtest"
"github.com/tebeka/selenium"
)
var (
testURL = flag.String("test_url", "/demo/hello_test.html", "Initial URL to start the tests.")
host = flag.String("host", "localhost", "Host to bind static server to.")
debug = flag.Bool("debug", false, "Enable verbose logging.")
)
func main() {
log.SetPrefix("[tools/webtest] ")
flag.Parse()
if *debug {
log.Printf("arguments: \n\t%s", strings.Join(os.Args, "\n\t"))
info, err := webtest.GetBrowserInfo()
if err != nil {
log.Fatalf("get browser info: %v", err)
}
log.Printf("webtest browser: %s", info.BrowserLabel)
log.Printf("webtest environment: %s", info.Environment)
}
if *testURL == "" {
log.Fatal("--test_url argument is required")
}
if !strings.HasPrefix(*testURL, "/") {
*testURL = "/" + *testURL
}
cwdir, err := os.Getwd()
if err != nil {
log.Fatalf("getwd: %v", err)
}
addr, err := serve(cwdir, *host)
if err != nil {
log.Fatalf("serve: %v", err)
}
debugf("serving on %s; root dir: %s", addr, cwdir)
// TODO: Consider making capabilities configurable.
drv, err := webtest.NewWebDriverSession(selenium.Capabilities{})
if err != nil {
log.Fatalf("webdriver new session: %v", err)
}
runURL := fmt.Sprintf("http://%s%s", addr, *testURL)
debugf("running tests on URL: %s", runURL)
runErr := run(drv, runURL)
if err := drv.Quit(); err != nil {
log.Printf("webdriver quit: %v", err)
}
if runErr != nil {
log.Fatal(runErr)
}
}
func serve(root, host string) (addr string, err error) {
l, err := net.Listen("tcp", host+":")
if err != nil {
return "", err
}
go func() {
fs := http.FileServer(http.Dir(root))
h := func(w http.ResponseWriter, r *http.Request) {
debugf("%s %s", r.Method, r.URL)
fs.ServeHTTP(w, r)
}
errServe := http.Serve(l, http.HandlerFunc(h))
log.Fatalf("serve(%q): %v", root, errServe)
}()
return l.Addr().String(), nil
}
// TODO: Make run timeout and configurable based on test size (small, large, etc.)
func run(drv selenium.WebDriver, testURL string) error {
if err := drv.Get(testURL); err != nil {
return fmt.Errorf("webdriver GET %s: %v", testURL, err)
}
if err := waitTests(drv); err != nil {
return fmt.Errorf("waitTests: %v", err)
}
v, err := drv.ExecuteScript(`return window.top.G_testRunner.getTestResultsAsJson();`, nil)
if err != nil {
return fmt.Errorf("G_testRunner.getTestResultsAsJson: %v", err)
}
var results map[string][]*struct{ Message, Stacktrace string }
if err := json.Unmarshal([]byte(v.(string)), &results); err != nil {
return fmt.Errorf("G_testRunner.getTestResultsAsJson unmarshal: %v", err)
}
var (
nfail int
fails strings.Builder
)
for name, res := range results {
switch {
default:
debugf("%s: OK", name)
case len(res) > 0:
nfail++
fmt.Fprintf(&fails, "%s: FAIL\n", name)
for i, item := range res {
fmt.Fprintf(&fails, "%d. %s\n%s\n", i+1, item.Message, item.Stacktrace)
}
}
}
if nfail > 0 {
return fmt.Errorf("%d out of %d test(s) failed:\n%s", nfail, len(results), &fails)
}
return nil
}
func waitTests(drv selenium.WebDriver) error {
f := func(drv selenium.WebDriver) (bool, error) {
v, err := drv.ExecuteScript(`return window.top.G_testRunner.isFinished();`, nil)
if err != nil {
return false, fmt.Errorf("G_testRunner.isFinished: %v", err)
}
return v.(bool), nil
}
// TODO: make interval configurable based on test size (small, large, etc.)
return drv.WaitWithTimeoutAndInterval(f, time.Minute, 100*time.Millisecond)
}
func debugf(format string, args ...interface{}) {
if *debug {
log.Printf(format, args...)
}
}