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Commit 961d776f authored by Rostislav M. Georgiev's avatar Rostislav M. Georgiev
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kubeadm: Improve kubeadm init cmd tests

kubeadm init cmd tests are improved in the following ways: - Fix a few cases that were always successful (despite completely wrong). - Add more test cases (for different configs in particular) - Use dry run, to avoid modifying the system and using kubeadm reset Signed-off-by: 's avatarRostislav M. Georgiev <rostislavg@vmware.com>
parent 8b4cdd0f
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Showing with 171 additions and 88 deletions
cmd/kubeadm/test/cmd/BUILD
View file @ 961d776f
...@@ -30,7 +30,10 @@ go_test( ...@@ -30,7 +30,10 @@ go_test(
"integration", "integration",
"skip", "skip",
], ],
deps = ["//vendor/github.com/ghodss/yaml:go_default_library"], deps = [
"//vendor/github.com/ghodss/yaml:go_default_library",
"//vendor/github.com/renstrom/dedent:go_default_library",
],
) )
filegroup( filegroup(
......
cmd/kubeadm/test/cmd/init_test.go
View file @ 961d776f
...@@ -16,12 +16,16 @@ limitations under the License. ...@@ -16,12 +16,16 @@ limitations under the License.
package kubeadm package kubeadm
import "testing" import (
"testing"
// kubeadmReset executes "kubeadm reset" and restarts kubelet. "github.com/renstrom/dedent"
func kubeadmReset() error { )
_, _, err := RunCmd(*kubeadmPath, "reset")
return err func runKubeadmInit(args ...string) (string, string, error) {
kubeadmArgs := []string{"init", "--dry-run", "--ignore-preflight-errors=all"}
kubeadmArgs = append(kubeadmArgs, args...)
return RunCmd(*kubeadmPath, kubeadmArgs...)
} }
func TestCmdInitToken(t *testing.T) { func TestCmdInitToken(t *testing.T) {
...@@ -30,26 +34,46 @@ func TestCmdInitToken(t *testing.T) { ...@@ -30,26 +34,46 @@ func TestCmdInitToken(t *testing.T) {
t.Skip() t.Skip()
} }
var initTest = []struct { initTest := []struct {
name string
args string args string
expected bool expected bool
}{ }{
{"--discovery=token://abcd:1234567890abcd", false}, // invalid token size {
{"--discovery=token://Abcdef:1234567890abcdef", false}, // invalid token non-lowercase name: "invalid token size",
args: "--token=abcd:1234567890abcd",
expected: false,
},
{
name: "invalid token non-lowercase",
args: "--token=Abcdef:1234567890abcdef",
expected: false,
},
{
name: "valid token is accepted",
args: "--token=abcdef.0123456789abcdef",
expected: true,
},
} }
for _, rt := range initTest { for _, rt := range initTest {
_, _, actual := RunCmd(*kubeadmPath, "init", rt.args, "--skip-preflight-checks") t.Run(rt.name, func(t *testing.T) {
if (actual == nil) != rt.expected { _, _, err := runKubeadmInit(rt.args)
t.Errorf( if (err == nil) != rt.expected {
"failed CmdInitToken running 'kubeadm init %s' with an error: %v\n\texpected: %t\n\t actual: %t", t.Fatalf(dedent.Dedent(`
rt.args, CmdInitToken test case %q failed with an error: %v
actual, command 'kubeadm init %s'
rt.expected, expected: %t
(actual == nil), err: %t
) `),
} rt.name,
kubeadmReset() err,
rt.args,
rt.expected,
(err == nil),
)
}
})
} }
} }
...@@ -59,25 +83,41 @@ func TestCmdInitKubernetesVersion(t *testing.T) { ...@@ -59,25 +83,41 @@ func TestCmdInitKubernetesVersion(t *testing.T) {
t.Skip() t.Skip()
} }
var initTest = []struct { initTest := []struct {
name string
args string args string
expected bool expected bool
}{ }{
{"--kubernetes-version=foobar", false}, {
name: "invalid version string is detected",
args: "--kubernetes-version=foobar",
expected: false,
},
{
name: "valid version is accepted",
args: "--kubernetes-version=1.11.0",
expected: true,
},
} }
for _, rt := range initTest { for _, rt := range initTest {
_, _, actual := RunCmd(*kubeadmPath, "init", rt.args, "--skip-preflight-checks") t.Run(rt.name, func(t *testing.T) {
if (actual == nil) != rt.expected { _, _, err := runKubeadmInit(rt.args)
t.Errorf( if (err == nil) != rt.expected {
"failed CmdInitKubernetesVersion running 'kubeadm init %s' with an error: %v\n\texpected: %t\n\t actual: %t", t.Fatalf(dedent.Dedent(`
rt.args, CmdInitKubernetesVersion test case %q failed with an error: %v
actual, command 'kubeadm init %s'
rt.expected, expected: %t
(actual == nil), err: %t
) `),
} rt.name,
kubeadmReset() err,
rt.args,
rt.expected,
(err == nil),
)
}
})
} }
} }
...@@ -87,26 +127,56 @@ func TestCmdInitConfig(t *testing.T) { ...@@ -87,26 +127,56 @@ func TestCmdInitConfig(t *testing.T) {
t.Skip() t.Skip()
} }
var initTest = []struct { initTest := []struct {
name string
args string args string
expected bool expected bool
}{ }{
{"--config=foobar", false}, {
{"--config=/does/not/exist/foo/bar", false}, name: "fail on non existing path",
args: "--config=/does/not/exist/foo/bar",
expected: false,
},
{
name: "can't load v1alpha1 config",
args: "--config=testdata/init/v1alpha1.yaml",
expected: false,
},
{
name: "can load v1alpha2 config",
args: "--config=testdata/init/v1alpha2.yaml",
expected: true,
},
{
name: "can load v1alpha3 config",
args: "--config=testdata/init/v1alpha3.yaml",
expected: true,
},
{
name: "don't allow mixed arguments",
args: "--kubernetes-version=1.11.0 --config=testdata/init/v1alpha3.yaml",
expected: false,
},
} }
for _, rt := range initTest { for _, rt := range initTest {
_, _, actual := RunCmd(*kubeadmPath, "init", rt.args, "--skip-preflight-checks") t.Run(rt.name, func(t *testing.T) {
if (actual == nil) != rt.expected { _, _, err := runKubeadmInit(rt.args)
t.Errorf( if (err == nil) != rt.expected {
"failed CmdInitConfig running 'kubeadm init %s' with an error: %v\n\texpected: %t\n\t actual: %t", t.Fatalf(dedent.Dedent(`
rt.args, CmdInitConfig test case %q failed with an error: %v
actual, command 'kubeadm init %s'
rt.expected, expected: %t
(actual == nil), err: %t
) `),
} rt.name,
kubeadmReset() err,
rt.args,
rt.expected,
(err == nil),
)
}
})
} }
} }
...@@ -116,52 +186,50 @@ func TestCmdInitAPIPort(t *testing.T) { ...@@ -116,52 +186,50 @@ func TestCmdInitAPIPort(t *testing.T) {
t.Skip() t.Skip()
} }
var initTest = []struct { initTest := []struct {
args string name string
expected bool
}{
{"--api-port=foobar", false},
}
for _, rt := range initTest {
_, _, actual := RunCmd(*kubeadmPath, "init", rt.args, "--skip-preflight-checks")
if (actual == nil) != rt.expected {
t.Errorf(
"failed CmdInitAPIPort running 'kubeadm init %s' with an error: %v\n\texpected: %t\n\t actual: %t",
rt.args,
actual,
rt.expected,
(actual == nil),
)
}
kubeadmReset()
}
}
func TestCmdInitArgsMixed(t *testing.T) {
if *kubeadmCmdSkip {
t.Log("kubeadm cmd tests being skipped")
t.Skip()
}
var initTest = []struct {
args string args string
expected bool expected bool
}{ }{
{"--api-port=1000 --config=/etc/kubernets/kubeadm.config", false}, {
name: "fail on non-string port",
args: "--apiserver-bind-port=foobar",
expected: false,
},
{
name: "fail on too large port number",
args: "--apiserver-bind-port=100000",
expected: false,
},
{
name: "fail on negative port number",
args: "--apiserver-bind-port=-6000",
expected: false,
},
{
name: "accept a valid port number",
args: "--apiserver-bind-port=6000",
expected: true,
},
} }
for _, rt := range initTest { for _, rt := range initTest {
_, _, actual := RunCmd(*kubeadmPath, "init", rt.args, "--skip-preflight-checks") t.Run(rt.name, func(t *testing.T) {
if (actual == nil) != rt.expected { _, _, err := runKubeadmInit(rt.args)
t.Errorf( if (err == nil) != rt.expected {
"failed CmdInitArgsMixed running 'kubeadm init %s' with an error: %v\n\texpected: %t\n\t actual: %t", t.Fatalf(dedent.Dedent(`
rt.args, CmdInitAPIPort test case %q failed with an error: %v
actual, command 'kubeadm init %s'
rt.expected, expected: %t
(actual == nil), err: %t
) `),
} rt.name,
kubeadmReset() err,
rt.args,
rt.expected,
(err == nil),
)
}
})
} }
} }
cmd/kubeadm/test/cmd/join_test.go
View file @ 961d776f
...@@ -18,6 +18,12 @@ package kubeadm ...@@ -18,6 +18,12 @@ package kubeadm
import "testing" import "testing"
// kubeadmReset executes "kubeadm reset" and restarts kubelet.
func kubeadmReset() error {
_, _, err := RunCmd(*kubeadmPath, "reset")
return err
}
func TestCmdJoinConfig(t *testing.T) { func TestCmdJoinConfig(t *testing.T) {
if *kubeadmCmdSkip { if *kubeadmCmdSkip {
t.Log("kubeadm cmd tests being skipped") t.Log("kubeadm cmd tests being skipped")
......
cmd/kubeadm/test/cmd/testdata/init/v1alpha1.yaml 0 → 100644
View file @ 961d776f
apiVersion: kubeadm.k8s.io/v1alpha1
kind: MasterConfiguration
cmd/kubeadm/test/cmd/testdata/init/v1alpha2.yaml 0 → 100644
View file @ 961d776f
apiVersion: kubeadm.k8s.io/v1alpha2
kind: MasterConfiguration
cmd/kubeadm/test/cmd/testdata/init/v1alpha3.yaml 0 → 100644
View file @ 961d776f
apiVersion: kubeadm.k8s.io/v1alpha3
kind: InitConfiguration
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