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Merge pull request #40878 from apprenda/kubeadm_preflight_tests

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Automatic merge from submit-queue (batch tested with PRs 40796, 40878, 36033, 40838, 41210)

kubeadm: added tests for preflight checks

**What this PR does / why we need it**: There hadn't been much care to add more unit tests as more preflight checks were added. I added tests that increased coverage from ~9% to ~71%

Adding unit tests is a WIP from https://github.com/kubernetes/kubernetes/issues/34136

**Special notes for your reviewer**: /cc @luxas @pires 

**Release note**:
```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2017-02-10 00:04:46 -08:00 committed by GitHub
commit 9134da4ade
2 changed files with 60 additions and 0 deletions
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1
cmd/kubeadm/app/preflight/BUILD
View File

@ -29,6 +29,7 @@ go_test(
srcs = ["checks_test.go"],
library = ":go_default_library",
tags = ["automanaged"],
deps = ["//cmd/kubeadm/app/apis/kubeadm:go_default_library"],
)
filegroup(

59
cmd/kubeadm/app/preflight/checks_test.go
View File

@ -20,6 +20,9 @@ import (
"bytes"
"fmt"
"testing"
"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
)
type preflightCheckTest struct {
@ -36,6 +39,54 @@ func (pfct preflightCheckTest) Check() (warning, errors []error) {
return
}
func TestRunInitMasterChecks(t *testing.T) {
var tests = []struct {
cfg *kubeadmapi.MasterConfiguration
expected bool
}{
{
cfg: &kubeadmapi.MasterConfiguration{
API: kubeadm.API{AdvertiseAddresses: []string{"foo"}},
},
expected: false,
},
}
for _, rt := range tests {
actual := RunInitMasterChecks(rt.cfg)
if (actual == nil) != rt.expected {
t.Errorf(
"failed RunInitMasterChecks:\n\texpected: %t\n\t actual: %t",
rt.expected,
(actual != nil),
)
}
}
}
func TestRunJoinNodeChecks(t *testing.T) {
var tests = []struct {
cfg *kubeadmapi.NodeConfiguration
expected bool
}{
{
cfg: &kubeadmapi.NodeConfiguration{},
expected: false,
},
}
for _, rt := range tests {
actual := RunJoinNodeChecks(rt.cfg)
if (actual == nil) != rt.expected {
t.Errorf(
"failed RunJoinNodeChecks:\n\texpected: %t\n\t actual: %t",
rt.expected,
(actual != nil),
)
}
}
}
func TestRunChecks(t *testing.T) {
var tokenTest = []struct {
p []Checker
@ -46,6 +97,14 @@ func TestRunChecks(t *testing.T) {
{[]Checker{preflightCheckTest{"warning"}}, true, "[preflight] WARNING: warning\n"}, // should just print warning
{[]Checker{preflightCheckTest{"error"}}, false, ""},
{[]Checker{preflightCheckTest{"test"}}, false, ""},
{[]Checker{DirAvailableCheck{Path: "/does/not/exist"}}, true, ""},
{[]Checker{DirAvailableCheck{Path: "/"}}, false, ""},
{[]Checker{FileAvailableCheck{Path: "/does/not/exist"}}, true, ""},
{[]Checker{FileContentCheck{Path: "/does/not/exist"}}, false, ""},
{[]Checker{FileContentCheck{Path: "/"}}, true, ""},
{[]Checker{FileContentCheck{Path: "/", Content: []byte("does not exist")}}, false, ""},
{[]Checker{InPathCheck{executable: "foobarbaz"}}, true, "[preflight] WARNING: foobarbaz not found in system path\n"},
{[]Checker{InPathCheck{executable: "foobarbaz", mandatory: true}}, false, ""},
}
for _, rt := range tokenTest {
buf := new(bytes.Buffer)