285 lines
8.3 KiB
Go
285 lines
8.3 KiB
Go
/*
|
|
Copyright 2019 The Kubernetes 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 framework_test
|
|
|
|
import (
|
|
"errors"
|
|
"regexp"
|
|
"sort"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/onsi/ginkgo"
|
|
"github.com/onsi/ginkgo/config"
|
|
"github.com/onsi/ginkgo/reporters"
|
|
"github.com/onsi/gomega"
|
|
"github.com/stretchr/testify/assert"
|
|
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
)
|
|
|
|
// The line number of the following code is checked in TestFailureOutput below.
|
|
// Be careful when moving it around or changing the import statements above.
|
|
// Here are some intentionally blank lines that can be removed to compensate
|
|
// for future additional import statements.
|
|
//
|
|
//
|
|
//
|
|
//
|
|
//
|
|
|
|
func runTests(t *testing.T, reporter ginkgo.Reporter) {
|
|
// This source code line will be part of the stack dump comparison.
|
|
ginkgo.RunSpecsWithDefaultAndCustomReporters(t, "Logging Suite", []ginkgo.Reporter{reporter})
|
|
}
|
|
|
|
var _ = ginkgo.Describe("log", func() {
|
|
ginkgo.BeforeEach(func() {
|
|
framework.Logf("before")
|
|
})
|
|
ginkgo.It("fails", func() {
|
|
func() {
|
|
framework.Failf("I'm failing.")
|
|
}()
|
|
})
|
|
ginkgo.It("asserts", func() {
|
|
framework.ExpectEqual(false, true, "false is never true")
|
|
})
|
|
ginkgo.It("error", func() {
|
|
err := errors.New("an error with a long, useless description")
|
|
framework.ExpectNoError(err, "hard-coded error")
|
|
})
|
|
ginkgo.It("equal", func() {
|
|
framework.ExpectEqual(0, 1, "of course it's not equal...")
|
|
})
|
|
ginkgo.AfterEach(func() {
|
|
framework.Logf("after")
|
|
framework.ExpectEqual(true, false, "true is never false either")
|
|
})
|
|
})
|
|
|
|
func TestFailureOutput(t *testing.T) {
|
|
// Run the Ginkgo suite with output collected by a custom
|
|
// reporter in adddition to the default one. To see what the full
|
|
// Ginkgo report looks like, run this test with "go test -v".
|
|
config.DefaultReporterConfig.FullTrace = true
|
|
gomega.RegisterFailHandler(framework.Fail)
|
|
fakeT := &testing.T{}
|
|
reporter := reporters.NewFakeReporter()
|
|
runTests(fakeT, reporter)
|
|
|
|
// Now check the output.
|
|
actual := normalizeReport(*reporter)
|
|
|
|
// output from AfterEach
|
|
commonOutput := `
|
|
|
|
INFO: after
|
|
FAIL: true is never false either
|
|
Expected
|
|
<bool>: true
|
|
to equal
|
|
<bool>: false
|
|
|
|
Full Stack Trace
|
|
k8s.io/kubernetes/test/e2e/framework_test.glob..func1.6()
|
|
log_test.go:71
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47
|
|
|
|
`
|
|
|
|
// Sorted by name!
|
|
expected := suiteResults{
|
|
testResult{
|
|
name: "[Top Level] log asserts",
|
|
output: `INFO: before
|
|
FAIL: false is never true
|
|
Expected
|
|
<bool>: false
|
|
to equal
|
|
<bool>: true
|
|
|
|
Full Stack Trace
|
|
k8s.io/kubernetes/test/e2e/framework_test.glob..func1.3()
|
|
log_test.go:60
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47` + commonOutput,
|
|
failure: `false is never true
|
|
Expected
|
|
<bool>: false
|
|
to equal
|
|
<bool>: true`,
|
|
stack: `k8s.io/kubernetes/test/e2e/framework_test.glob..func1.3()
|
|
log_test.go:60
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47
|
|
`,
|
|
},
|
|
testResult{
|
|
name: "[Top Level] log equal",
|
|
output: `INFO: before
|
|
FAIL: of course it's not equal...
|
|
Expected
|
|
<int>: 0
|
|
to equal
|
|
<int>: 1
|
|
|
|
Full Stack Trace
|
|
k8s.io/kubernetes/test/e2e/framework_test.glob..func1.5()
|
|
log_test.go:67
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47` + commonOutput,
|
|
failure: `of course it's not equal...
|
|
Expected
|
|
<int>: 0
|
|
to equal
|
|
<int>: 1`,
|
|
stack: `k8s.io/kubernetes/test/e2e/framework_test.glob..func1.5()
|
|
log_test.go:67
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47
|
|
`,
|
|
},
|
|
testResult{
|
|
name: "[Top Level] log error",
|
|
output: `INFO: before
|
|
FAIL: hard-coded error
|
|
Unexpected error:
|
|
<*errors.errorString>: {
|
|
s: "an error with a long, useless description",
|
|
}
|
|
an error with a long, useless description
|
|
occurred
|
|
|
|
Full Stack Trace
|
|
k8s.io/kubernetes/test/e2e/framework_test.glob..func1.4()
|
|
log_test.go:64
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47` + commonOutput,
|
|
failure: `hard-coded error
|
|
Unexpected error:
|
|
<*errors.errorString>: {
|
|
s: "an error with a long, useless description",
|
|
}
|
|
an error with a long, useless description
|
|
occurred`,
|
|
stack: `k8s.io/kubernetes/test/e2e/framework_test.glob..func1.4()
|
|
log_test.go:64
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47
|
|
`,
|
|
},
|
|
testResult{
|
|
name: "[Top Level] log fails",
|
|
output: `INFO: before
|
|
FAIL: I'm failing.
|
|
|
|
Full Stack Trace
|
|
k8s.io/kubernetes/test/e2e/framework_test.glob..func1.2()
|
|
log_test.go:57
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47` + commonOutput,
|
|
failure: "I'm failing.",
|
|
stack: `k8s.io/kubernetes/test/e2e/framework_test.glob..func1.2()
|
|
log_test.go:57
|
|
k8s.io/kubernetes/test/e2e/framework_test.runTests()
|
|
log_test.go:47
|
|
`,
|
|
},
|
|
}
|
|
// assert.Equal prints a useful diff if the slices are not
|
|
// equal. However, the diff does not show changes inside the
|
|
// strings. Therefore we also compare the individual fields.
|
|
if !assert.Equal(t, expected, actual) {
|
|
for i := 0; i < len(expected) && i < len(actual); i++ {
|
|
assert.Equal(t, expected[i].output, actual[i].output, "output from test #%d: %s", i, expected[i].name)
|
|
assert.Equal(t, expected[i].stack, actual[i].stack, "stack from test #%d: %s", i, expected[i].name)
|
|
}
|
|
}
|
|
}
|
|
|
|
type testResult struct {
|
|
name string
|
|
// output written to GinkgoWriter during test.
|
|
output string
|
|
// failure is SpecSummary.Failure.Message with varying parts stripped.
|
|
failure string
|
|
// stack is a normalized version (just file names, function parametes stripped) of
|
|
// Ginkgo's FullStackTrace of a failure. Empty if no failure.
|
|
stack string
|
|
}
|
|
|
|
type suiteResults []testResult
|
|
|
|
func normalizeReport(report reporters.FakeReporter) suiteResults {
|
|
var results suiteResults
|
|
for _, spec := range report.SpecSummaries {
|
|
results = append(results, testResult{
|
|
name: strings.Join(spec.ComponentTexts, " "),
|
|
output: normalizeLocation(stripAddresses(stripTimes(spec.CapturedOutput))),
|
|
failure: stripAddresses(stripTimes(spec.Failure.Message)),
|
|
stack: normalizeLocation(spec.Failure.Location.FullStackTrace),
|
|
})
|
|
}
|
|
sort.Slice(results, func(i, j int) bool {
|
|
return strings.Compare(results[i].name, results[j].name) < 0
|
|
})
|
|
return results
|
|
}
|
|
|
|
// timePrefix matches "Jul 17 08:08:25.950: " at the beginning of each line.
|
|
var timePrefix = regexp.MustCompile(`(?m)^[[:alpha:]]{3} +[[:digit:]]{1,2} +[[:digit:]]{2}:[[:digit:]]{2}:[[:digit:]]{2}.[[:digit:]]{3}: `)
|
|
|
|
func stripTimes(in string) string {
|
|
return timePrefix.ReplaceAllString(in, "")
|
|
}
|
|
|
|
// instanceAddr matches " | 0xc0003dec60>"
|
|
var instanceAddr = regexp.MustCompile(` \| 0x[0-9a-fA-F]+>`)
|
|
|
|
func stripAddresses(in string) string {
|
|
return instanceAddr.ReplaceAllString(in, ">")
|
|
}
|
|
|
|
// stackLocation matches "<some path>/<file>.go:75 +0x1f1" after a slash (built
|
|
// locally) or one of a few relative paths (built in the Kubernetes CI).
|
|
var stackLocation = regexp.MustCompile(`(?:/|vendor/|test/|GOROOT/).*/([[:^space:]]+.go:[[:digit:]]+)( \+0x[0-9a-fA-F]+)?`)
|
|
|
|
// functionArgs matches "<function name>(...)".
|
|
var functionArgs = regexp.MustCompile(`([[:alpha:]]+)\(.*\)`)
|
|
|
|
// testFailureOutput matches TestFailureOutput() and its source followed by additional stack entries:
|
|
//
|
|
// k8s.io/kubernetes/test/e2e/framework_test.TestFailureOutput(0xc000558800)
|
|
// /nvme/gopath/src/k8s.io/kubernetes/test/e2e/framework/log/log_test.go:73 +0x1c9
|
|
// testing.tRunner(0xc000558800, 0x1af2848)
|
|
// /nvme/gopath/go/src/testing/testing.go:865 +0xc0
|
|
// created by testing.(*T).Run
|
|
// /nvme/gopath/go/src/testing/testing.go:916 +0x35a
|
|
var testFailureOutput = regexp.MustCompile(`(?m)^k8s.io/kubernetes/test/e2e/framework_test\.TestFailureOutput\(.*\n\t.*(\n.*\n\t.*)*`)
|
|
|
|
// normalizeLocation removes path prefix and function parameters and certain stack entries
|
|
// that we don't care about.
|
|
func normalizeLocation(in string) string {
|
|
out := in
|
|
out = stackLocation.ReplaceAllString(out, "$1")
|
|
out = functionArgs.ReplaceAllString(out, "$1()")
|
|
out = testFailureOutput.ReplaceAllString(out, "")
|
|
return out
|
|
}
|