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Merge pull request #54902 from YuxiJin-tobeyjin/addunitforlogs

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Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Supplement unit test for kubectl logs

**What this PR does / why we need it**:
Supplement unit test for kubectl logs

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE

```
This commit is contained in:
Kubernetes Submit Queue 2017-12-16 09:15:26 -08:00 committed by GitHub
commit b9eee8fd6b
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1 changed files with 61 additions and 0 deletions
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61
pkg/kubectl/cmd/logs_test.go
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@ -107,6 +107,11 @@ func TestValidateLogFlags(t *testing.T) {
flags: map[string]string{"since": "1h", "since-time": "2006-01-02T15:04:05Z"},
expected: "at most one of `sinceTime` or `sinceSeconds` may be specified",
},
{
name: "negative since-time",
flags: map[string]string{"since": "-1s"},
expected: "must be greater than 0",
},
{
name: "negative limit-bytes",
flags: map[string]string{"limit-bytes": "-100"},
@ -138,3 +143,59 @@ func TestValidateLogFlags(t *testing.T) {
}
}
}
func TestLogComplete(t *testing.T) {
f, _, _, _ := cmdtesting.NewAPIFactory()
tests := []struct {
name string
args []string
flags map[string]string
expected string
}{
{
name: "No args case",
flags: map[string]string{"selector": ""},
expected: "'logs (POD | TYPE/NAME) [CONTAINER_NAME]'.\nPOD or TYPE/NAME is a required argument for the logs command",
},
{
name: "One args case",
args: []string{"foo"},
flags: map[string]string{"selector": "foo"},
expected: "only a selector (-l) or a POD name is allowed",
},
{
name: "Two args case",
args: []string{"foo", "foo1"},
flags: map[string]string{"container": "foo1"},
expected: "only one of -c or an inline [CONTAINER] arg is allowed",
},
{
name: "More than two args case",
args: []string{"foo", "foo1", "foo2"},
flags: map[string]string{"tail": "1"},
expected: "'logs (POD | TYPE/NAME) [CONTAINER_NAME]'.\nPOD or TYPE/NAME is a required argument for the logs command",
},
{
name: "follow and selecter conflict",
flags: map[string]string{"selector": "foo", "follow": "true"},
expected: "only one of follow (-f) or selector (-l) is allowed",
},
}
for _, test := range tests {
cmd := NewCmdLogs(f, bytes.NewBuffer([]byte{}))
var err error
out := ""
for flag, value := range test.flags {
cmd.Flags().Set(flag, value)
}
// checkErr breaks tests in case of errors, plus we just
// need to check errors returned by the command validation
o := &LogsOptions{}
err = o.Complete(f, os.Stdout, cmd, test.args)
out = err.Error()
if !strings.Contains(out, test.expected) {
t.Errorf("%s: expected to find:\n\t%s\nfound:\n\t%s\n", test.name, test.expected, out)
}
}
}