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e2e log: move back to framework, part II
This continues the work in https://github.com/kubernetes/kubernetes/pull/81426 by also moving the logger_test.go, moving the log helper code from util.go to log.go (a more logical place, as it is only used there) and updating comments.
This commit is contained in:
Patrick Ohly
parent
ecd7ae55bc
commit
4620d0b2b8
@ -18,24 +18,88 @@ package framework
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import (
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"fmt"
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"regexp"
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"runtime/debug"
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"strings"
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"time"
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"github.com/onsi/ginkgo"
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"k8s.io/kubernetes/test/e2e/framework/ginkgowrapper"
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)
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func nowStamp() string {
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return time.Now().Format(time.StampMilli)
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}
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func log(level string, format string, args ...interface{}) {
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fmt.Fprintf(ginkgo.GinkgoWriter, nowStamp()+": "+level+": "+format+"\n", args...)
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}
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// Logf logs the info.
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func Logf(format string, args ...interface{}) {
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log("INFO", format, args...)
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}
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// Failf logs the fail info.
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// Failf logs the fail info, including a stack trace.
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func Failf(format string, args ...interface{}) {
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FailfWithOffset(1, format, args...)
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}
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// FailfWithOffset calls "Fail" and logs the error at "offset" levels above its caller
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// FailfWithOffset calls "Fail" and logs the error with a stack trace that starts at "offset" levels above its caller
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// (for example, for call chain f -> g -> FailfWithOffset(1, ...) error would be logged for "f").
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func FailfWithOffset(offset int, format string, args ...interface{}) {
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msg := fmt.Sprintf(format, args...)
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log("INFO", msg)
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ginkgowrapper.Fail(nowStamp()+": "+msg, 1+offset)
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skip := offset + 1
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log("FAIL", "%s\n\nFull Stack Trace\n%s", msg, PrunedStack(skip))
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ginkgowrapper.Fail(nowStamp()+": "+msg, skip)
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}
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// Fail is a replacement for ginkgo.Fail which logs the problem as it occurs
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// together with a stack trace and then calls ginkgowrapper.Fail.
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func Fail(msg string, callerSkip ...int) {
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skip := 1
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if len(callerSkip) > 0 {
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skip += callerSkip[0]
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}
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log("FAIL", "%s\n\nFull Stack Trace\n%s", msg, PrunedStack(skip))
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ginkgowrapper.Fail(nowStamp()+": "+msg, skip)
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}
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var codeFilterRE = regexp.MustCompile(`/github.com/onsi/ginkgo/`)
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// PrunedStack is a wrapper around debug.Stack() that removes information
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// about the current goroutine and optionally skips some of the initial stack entries.
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// With skip == 0, the returned stack will start with the caller of PruneStack.
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// From the remaining entries it automatically filters out useless ones like
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// entries coming from Ginkgo.
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//
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// This is a modified copy of PruneStack in https://github.com/onsi/ginkgo/blob/f90f37d87fa6b1dd9625e2b1e83c23ffae3de228/internal/codelocation/code_location.go#L25:
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// - simplified API and thus renamed (calls debug.Stack() instead of taking a parameter)
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// - source code filtering updated to be specific to Kubernetes
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func PrunedStack(skip int) string {
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fullStackTrace := string(debug.Stack())
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stack := strings.Split(fullStackTrace, "\n")
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// Ensure that the even entries are the method names and the
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// the odd entries the source code information.
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if len(stack) > 0 && strings.HasPrefix(stack[0], "goroutine ") {
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// Ignore "goroutine 29 [running]:" line.
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stack = stack[1:]
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}
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// The "+2" is for skipping over:
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// - runtime/debug.Stack()
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// - PrunedStack()
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skip += 2
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if len(stack) > 2*skip {
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stack = stack[2*skip:]
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}
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prunedStack := []string{}
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for i := 0; i < len(stack)/2; i++ {
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// We filter out based on the source code file name.
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if !codeFilterRE.Match([]byte(stack[i*2+1])) {
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prunedStack = append(prunedStack, stack[i*2])
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prunedStack = append(prunedStack, stack[i*2+1])
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}
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}
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return strings.Join(prunedStack, "\n")
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}
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@ -14,14 +14,12 @@ See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package log should be removed after switching to use core framework log.
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// Package log will be removed after switching to use core framework log.
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// Do not make further changes here!
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package log
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import (
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"fmt"
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"regexp"
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"runtime/debug"
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"strings"
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"time"
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"github.com/onsi/ginkgo"
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@ -51,9 +49,8 @@ func Failf(format string, args ...interface{}) {
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// (for example, for call chain f -> g -> FailfWithOffset(1, ...) error would be logged for "f").
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func FailfWithOffset(offset int, format string, args ...interface{}) {
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msg := fmt.Sprintf(format, args...)
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skip := offset + 1
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log("FAIL", "%s\n\nFull Stack Trace\n%s", msg, PrunedStack(skip))
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ginkgowrapper.Fail(nowStamp()+": "+msg, skip)
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log("FAIL", msg)
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ginkgowrapper.Fail(nowStamp()+": "+msg, 1+offset)
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}
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// Fail is a replacement for ginkgo.Fail which logs the problem as it occurs
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@ -63,42 +60,6 @@ func Fail(msg string, callerSkip ...int) {
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if len(callerSkip) > 0 {
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skip += callerSkip[0]
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}
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log("FAIL", "%s\n\nFull Stack Trace\n%s", msg, PrunedStack(skip))
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log("FAIL", msg)
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ginkgowrapper.Fail(nowStamp()+": "+msg, skip)
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}
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var codeFilterRE = regexp.MustCompile(`/github.com/onsi/ginkgo/`)
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// PrunedStack is a wrapper around debug.Stack() that removes information
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// about the current goroutine and optionally skips some of the initial stack entries.
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// With skip == 0, the returned stack will start with the caller of PruneStack.
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// From the remaining entries it automatically filters out useless ones like
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// entries coming from Ginkgo.
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//
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// This is a copy of https://github.com/onsi/ginkgo/blob/f90f37d87fa6b1dd9625e2b1e83c23ffae3de228/internal/codelocation/code_location.go#L25
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func PrunedStack(skip int) string {
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fullStackTrace := string(debug.Stack())
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stack := strings.Split(fullStackTrace, "\n")
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// Ensure that the even entries are the method names and the
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// the odd entries the source code information.
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if len(stack) > 0 && strings.HasPrefix(stack[0], "goroutine ") {
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// Ignore "goroutine 29 [running]:" line.
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stack = stack[1:]
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}
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// The "+2" is for skipping over:
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// - runtime/debug.Stack()
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// - PrunedStack()
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skip += 2
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if len(stack) > 2*skip {
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stack = stack[2*skip:]
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}
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prunedStack := []string{}
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for i := 0; i < len(stack)/2; i++ {
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// We filter out based on the source code file name.
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if !codeFilterRE.Match([]byte(stack[i*2+1])) {
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prunedStack = append(prunedStack, stack[i*2])
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prunedStack = append(prunedStack, stack[i*2+1])
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}
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}
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return strings.Join(prunedStack, "\n")
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}
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@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package log_test
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package framework_test
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import (
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"errors"
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@ -29,9 +29,19 @@ import (
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"github.com/onsi/gomega"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/framework/log"
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)
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// The line number of the following code is checked in TestFailureOutput below.
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// Be careful when moving it around or changing the import statements above.
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// Here are some intentionally blank lines that can be removed to compensate
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// for future additional import statements.
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//
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//
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//
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//
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//
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//
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func runTests(t *testing.T, reporter ginkgo.Reporter) {
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// This source code line will be part of the stack dump comparison.
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ginkgo.RunSpecsWithDefaultAndCustomReporters(t, "Logging Suite", []ginkgo.Reporter{reporter})
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@ -39,11 +49,11 @@ func runTests(t *testing.T, reporter ginkgo.Reporter) {
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var _ = ginkgo.Describe("log", func() {
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ginkgo.BeforeEach(func() {
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log.Logf("before")
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framework.Logf("before")
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})
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ginkgo.It("fails", func() {
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func() {
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log.Failf("I'm failing.")
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framework.Failf("I'm failing.")
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}()
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})
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ginkgo.It("asserts", func() {
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@ -57,7 +67,7 @@ var _ = ginkgo.Describe("log", func() {
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framework.ExpectEqual(0, 1, "of course it's not equal...")
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})
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ginkgo.AfterEach(func() {
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log.Logf("after")
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framework.Logf("after")
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gomega.Expect(true).To(gomega.Equal(false), "true is never false either")
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})
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})
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@ -67,7 +77,7 @@ func TestFailureOutput(t *testing.T) {
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// reporter in adddition to the default one. To see what the full
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// Ginkgo report looks like, run this test with "go test -v".
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config.DefaultReporterConfig.FullTrace = true
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gomega.RegisterFailHandler(log.Fail)
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gomega.RegisterFailHandler(framework.Fail)
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fakeT := &testing.T{}
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reporter := reporters.NewFakeReporter()
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runTests(fakeT, reporter)
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@ -77,33 +87,33 @@ func TestFailureOutput(t *testing.T) {
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actual := normalizeReport(*reporter)
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// output from AfterEach
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commonOutput := "\n\nINFO: after\nFAIL: true is never false either\nExpected\n <bool>: true\nto equal\n <bool>: false\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.6()\n\tlogger_test.go:61\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37\n\n"
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commonOutput := "\n\nINFO: after\nFAIL: true is never false either\nExpected\n <bool>: true\nto equal\n <bool>: false\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework_test.glob..func1.6()\n\tlog_test.go:71\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47\n\n"
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// Sorted by name!
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expected := suiteResults{
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testResult{
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name: "[Top Level] log asserts",
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output: "INFO: before\nFAIL: false is never true\nExpected\n <bool>: false\nto equal\n <bool>: true\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.3()\n\tlogger_test.go:50\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37" + commonOutput,
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output: "INFO: before\nFAIL: false is never true\nExpected\n <bool>: false\nto equal\n <bool>: true\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework_test.glob..func1.3()\n\tlog_test.go:60\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47" + commonOutput,
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failure: "false is never true\nExpected\n <bool>: false\nto equal\n <bool>: true",
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stack: "k8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.3()\n\tlogger_test.go:50\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37\n",
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stack: "k8s.io/kubernetes/test/e2e/framework_test.glob..func1.3()\n\tlog_test.go:60\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47\n",
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},
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testResult{
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name: "[Top Level] log equal",
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output: "INFO: before\nFAIL: of course it's not equal...\nExpected\n <int>: 0\nto equal\n <int>: 1\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.5()\n\tlogger_test.go:57\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37" + commonOutput,
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output: "INFO: before\nFAIL: of course it's not equal...\nExpected\n <int>: 0\nto equal\n <int>: 1\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework_test.glob..func1.5()\n\tlog_test.go:67\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47" + commonOutput,
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failure: "of course it's not equal...\nExpected\n <int>: 0\nto equal\n <int>: 1",
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stack: "k8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.5()\n\tlogger_test.go:57\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37\n",
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stack: "k8s.io/kubernetes/test/e2e/framework_test.glob..func1.5()\n\tlog_test.go:67\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47\n",
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},
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testResult{
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name: "[Top Level] log error",
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output: "INFO: before\nFAIL: hard-coded error\nUnexpected error:\n <*errors.errorString>: {\n s: \"an error with a long, useless description\",\n }\n an error with a long, useless description\noccurred\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.4()\n\tlogger_test.go:54\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37" + commonOutput,
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output: "INFO: before\nFAIL: hard-coded error\nUnexpected error:\n <*errors.errorString>: {\n s: \"an error with a long, useless description\",\n }\n an error with a long, useless description\noccurred\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework_test.glob..func1.4()\n\tlog_test.go:64\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47" + commonOutput,
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failure: "hard-coded error\nUnexpected error:\n <*errors.errorString>: {\n s: \"an error with a long, useless description\",\n }\n an error with a long, useless description\noccurred",
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stack: "k8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.4()\n\tlogger_test.go:54\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37\n",
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stack: "k8s.io/kubernetes/test/e2e/framework_test.glob..func1.4()\n\tlog_test.go:64\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47\n",
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},
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testResult{
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name: "[Top Level] log fails",
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output: "INFO: before\nFAIL: I'm failing.\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.2.1(...)\n\tlogger_test.go:46\nk8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.2()\n\tlogger_test.go:47\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37" + commonOutput,
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output: "INFO: before\nFAIL: I'm failing.\n\nFull Stack Trace\nk8s.io/kubernetes/test/e2e/framework_test.glob..func1.2.1(...)\n\tlog_test.go:56\nk8s.io/kubernetes/test/e2e/framework_test.glob..func1.2()\n\tlog_test.go:57\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47" + commonOutput,
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failure: "I'm failing.",
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stack: "k8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.2.1(...)\n\tlogger_test.go:46\nk8s.io/kubernetes/test/e2e/framework/log_test.glob..func1.2()\n\tlogger_test.go:47\nk8s.io/kubernetes/test/e2e/framework/log_test.runTests()\n\tlogger_test.go:37\n",
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stack: "k8s.io/kubernetes/test/e2e/framework_test.glob..func1.2.1(...)\n\tlog_test.go:56\nk8s.io/kubernetes/test/e2e/framework_test.glob..func1.2()\n\tlog_test.go:57\nk8s.io/kubernetes/test/e2e/framework_test.runTests()\n\tlog_test.go:47\n",
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},
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}
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// Compare individual fields. Comparing the slices leads to unreadable error output when there is any mismatch.
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@ -172,13 +182,13 @@ var functionArgs = regexp.MustCompile(`([[:alpha:]]+)\(.*\)`)
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// testFailureOutput matches TestFailureOutput() and its source followed by additional stack entries:
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//
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// k8s.io/kubernetes/test/e2e/framework/log_test.TestFailureOutput(0xc000558800)
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// /nvme/gopath/src/k8s.io/kubernetes/test/e2e/framework/log/logger_test.go:73 +0x1c9
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// k8s.io/kubernetes/test/e2e/framework_test.TestFailureOutput(0xc000558800)
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// /nvme/gopath/src/k8s.io/kubernetes/test/e2e/framework/log/log_test.go:73 +0x1c9
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// testing.tRunner(0xc000558800, 0x1af2848)
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// /nvme/gopath/go/src/testing/testing.go:865 +0xc0
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// created by testing.(*T).Run
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// /nvme/gopath/go/src/testing/testing.go:916 +0x35a
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var testFailureOutput = regexp.MustCompile(`(?m)^k8s.io/kubernetes/test/e2e/framework/log_test\.TestFailureOutput\(.*\n\t.*(\n.*\n\t.*)*`)
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var testFailureOutput = regexp.MustCompile(`(?m)^k8s.io/kubernetes/test/e2e/framework_test\.TestFailureOutput\(.*\n\t.*(\n.*\n\t.*)*`)
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// normalizeLocation removes path prefix and function parameters and certain stack entries
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// that we don't care about.
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@ -209,14 +209,6 @@ func GetMasterHost() string {
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return masterURL.Hostname()
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}
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func nowStamp() string {
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return time.Now().Format(time.StampMilli)
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}
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func log(level string, format string, args ...interface{}) {
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fmt.Fprintf(ginkgo.GinkgoWriter, nowStamp()+": "+level+": "+format+"\n", args...)
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}
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// RunIfContainerRuntimeIs runs if the container runtime is included in the runtimes.
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func RunIfContainerRuntimeIs(runtimes ...string) {
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for _, containerRuntime := range runtimes {
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