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// Copyright 2020 The Bazel Authors. All rights reserved.
//
// 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 test_filter_test
import (
"encoding/xml"
"io/ioutil"
"path/filepath"
"reflect"
"strings"
"testing"
"github.com/bazelbuild/rules_go/go/tools/bazel_testing"
)
func TestMain(m *testing.M) {
bazel_testing.TestMain(m, bazel_testing.Args{
Main: `
-- BUILD.bazel --
load("@io_bazel_rules_go//go:def.bzl", "go_test")
go_test(
name = "xml_test",
importpath = "github.com/bazelbuild/rules_go/tests/core/go_test/xml_test",
srcs = ["xml_test.go"],
)
-- xml_test.go --
package test
import (
"math/rand"
"testing"
"time"
)
func TestPass(t *testing.T) {
t.Parallel()
}
func TestPassLog(t *testing.T) {
t.Parallel()
t.Log("pass")
}
func TestFail(t *testing.T) {
t.Error("Not working")
}
func TestSubtests(t *testing.T) {
for i, subtest := range []string{"subtest a", "testB", "another subtest"} {
t.Run(subtest, func(t *testing.T) {
t.Logf("from subtest %s", subtest)
time.Sleep(time.Duration(rand.Intn(10)) * time.Millisecond)
t.Logf("from subtest %s", subtest)
if i%3 == 0 {
t.Skip("skipping this test")
}
if i%2 == 0 {
t.Fail()
}
})
}
}
`,
})
}
// test execution time attributes will vary per testrun, so we must parse the
// xml to inspect a subset of testresults
type xmlTestSuite struct {
XMLName xml.Name `xml:"testsuite"`
Errors int `xml:"errors,attr"`
Failures int `xml:"failures,attr"`
Skipped int `xml:"skipped,attr"`
Tests int `xml:"tests,attr"`
Name string `xml:"name,attr"`
}
type xmlTestSuites struct {
XMLName xml.Name `xml:"testsuites"`
Suites []xmlTestSuite `xml:"testsuite"`
}
func Test(t *testing.T) {
tests := []struct {
name string
args []string
expected xmlTestSuites
}{
{
name: "default",
args: []string{"test", "//:xml_test"},
expected: xmlTestSuites{
XMLName: xml.Name{Local: "testsuites"},
Suites: []xmlTestSuite{{
XMLName: xml.Name{Local: "testsuite"},
Name: "github.com/bazelbuild/rules_go/tests/core/go_test/xml_test",
Errors: 0,
Failures: 3,
Tests: 3,
}},
},
},
{
name: "verbose",
args: []string{"test", "--test_env=GO_TEST_WRAP_TESTV=1", "//:xml_test"},
expected: xmlTestSuites{
XMLName: xml.Name{Local: "testsuites"},
Suites: []xmlTestSuite{{
XMLName: xml.Name{Local: "testsuite"},
Name: "github.com/bazelbuild/rules_go/tests/core/go_test/xml_test",
Errors: 0,
Failures: 3,
Skipped: 1,
Tests: 7,
}},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
err := bazel_testing.RunBazel(tt.args...)
if err == nil {
t.Fatal("expected bazel test to have failed")
}
if xerr, ok := err.(*bazel_testing.StderrExitError); !ok || xerr.Err.ExitCode() != 3 {
t.Fatalf("expected bazel tests to fail with exit code 3 (TESTS_FAILED), got: %s", err)
}
p, err := bazel_testing.BazelOutput("info", "bazel-testlogs")
if err != nil {
t.Fatal("could not find testlog root: %s", err)
}
path := filepath.Join(strings.TrimSpace(string(p)), "xml_test/test.xml")
b, err := ioutil.ReadFile(path)
if err != nil {
t.Fatalf("could not read generated xml file: %s", err)
}
var suites xmlTestSuites
if err := xml.Unmarshal(b, &suites); err != nil {
t.Fatalf("could not unmarshall generated xml: %s", err)
}
if !reflect.DeepEqual(suites, tt.expected) {
t.Fatalf("expected %#v, got: %#v", tt.expected, suites)
}
})
}
}
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