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merged 1 commit into from
Jan 19, 2017
Merged

add unit test cases for core.pkg.k8s #144

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188 changes: 178 additions & 10 deletions core/pkg/k8s/main_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,10 @@ import (

"k8s.io/kubernetes/pkg/api"
testclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
"os"
)

func TestParseNameNS(t *testing.T) {

tests := []struct {
title string
input string
Expand All @@ -42,15 +42,15 @@ func TestParseNameNS(t *testing.T) {
ns, name, err := ParseNameNS(test.input)
if test.expErr {
if err == nil {
t.Errorf("%v: expected error but retuned nil", test.title)
t.Errorf("%v: expected error but returned nil", test.title)
}
continue
}
if test.ns != ns {
t.Errorf("%v: expected %v but retuned %v", test.title, test.ns, ns)
t.Errorf("%v: expected %v but returned %v", test.title, test.ns, ns)
}
if test.name != name {
t.Errorf("%v: expected %v but retuned %v", test.title, test.name, name)
t.Errorf("%v: expected %v but returned %v", test.title, test.name, name)
}
}
}
Expand All @@ -65,20 +65,20 @@ func TestIsValidService(t *testing.T) {

_, err := IsValidService(fk, "")
if err == nil {
t.Errorf("expected error but retuned nil")
t.Errorf("expected error but returned nil")
}
s, err := IsValidService(fk, "default/demo")
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if s == nil {
t.Errorf("expected a Service but retuned nil")
t.Errorf("expected a Service but returned nil")
}

fk = testclient.NewSimpleClientset()
s, err = IsValidService(fk, "default/demo")
if err == nil {
t.Errorf("expected an error but retuned nil")
t.Errorf("expected an error but returned nil")
}
if s != nil {
t.Errorf("unexpected Service returned: %v", s)
Expand All @@ -95,22 +95,190 @@ func TestIsValidSecret(t *testing.T) {

_, err := IsValidSecret(fk, "")
if err == nil {
t.Errorf("expected error but retuned nil")
t.Errorf("expected error but returned nil")
}
s, err := IsValidSecret(fk, "default/demo")
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if s == nil {
t.Errorf("expected a Secret but retuned nil")
t.Errorf("expected a Secret but returned nil")
}

fk = testclient.NewSimpleClientset()
s, err = IsValidSecret(fk, "default/demo")
if err == nil {
t.Errorf("expected an error but retuned nil")
t.Errorf("expected an error but returned nil")
}
if s != nil {
t.Errorf("unexpected Secret returned: %v", s)
}
}

func TestGetNodeIP(t *testing.T) {
fKNodes := []struct {
cs *testclient.Clientset
n string
ea string
}{
// empty node list
{testclient.NewSimpleClientset(), "demo", ""},

// node not exist
{testclient.NewSimpleClientset(&api.NodeList{Items: []api.Node{{
ObjectMeta: api.ObjectMeta{
Name: "demo",
},
Status: api.NodeStatus{
Addresses: []api.NodeAddress{
{
Type: api.NodeLegacyHostIP,
Address: "10.0.0.1",
},
},
},
}}}), "notexistnode", ""},

// node exist
{testclient.NewSimpleClientset(&api.NodeList{Items: []api.Node{{
ObjectMeta: api.ObjectMeta{
Name: "demo",
},
Status: api.NodeStatus{
Addresses: []api.NodeAddress{
{
Type: api.NodeLegacyHostIP,
Address: "10.0.0.1",
},
},
},
}}}), "demo", "10.0.0.1"},

// search the correct node
{testclient.NewSimpleClientset(&api.NodeList{Items: []api.Node{
{
ObjectMeta: api.ObjectMeta{
Name: "demo1",
},
Status: api.NodeStatus{
Addresses: []api.NodeAddress{
{
Type: api.NodeLegacyHostIP,
Address: "10.0.0.1",
},
},
},
},
{
ObjectMeta: api.ObjectMeta{
Name: "demo2",
},
Status: api.NodeStatus{
Addresses: []api.NodeAddress{
{
Type: api.NodeLegacyHostIP,
Address: "10.0.0.2",
},
},
},
},
}}), "demo2", "10.0.0.2"},

// get NodeExternalIP
{testclient.NewSimpleClientset(&api.NodeList{Items: []api.Node{{
ObjectMeta: api.ObjectMeta{
Name: "demo",
},
Status: api.NodeStatus{
Addresses: []api.NodeAddress{
{
Type: api.NodeLegacyHostIP,
Address: "10.0.0.1",
}, {
Type: api.NodeExternalIP,
Address: "10.0.0.2",
},
},
},
}}}), "demo", "10.0.0.2"},

// get NodeLegacyHostIP
{testclient.NewSimpleClientset(&api.NodeList{Items: []api.Node{{
ObjectMeta: api.ObjectMeta{
Name: "demo",
},
Status: api.NodeStatus{
Addresses: []api.NodeAddress{
{
Type: api.NodeExternalIP,
Address: "",
}, {
Type: api.NodeLegacyHostIP,
Address: "10.0.0.2",
},
},
},
}}}), "demo", "10.0.0.2"},
}

for _, fk := range fKNodes {
address := GetNodeIP(fk.cs, fk.n)
if address != fk.ea {
t.Errorf("expected %s, but returned %s", fk.ea, address)
}
}
}

func TestGetPodDetails(t *testing.T) {
// POD_NAME & POD_NAMESPACE not exist
os.Setenv("POD_NAME", "")
os.Setenv("POD_NAMESPACE", "")
_, err1 := GetPodDetails(testclient.NewSimpleClientset())
if err1 == nil {
t.Errorf("expected an error but returned nil")
}

// POD not exist
os.Setenv("POD_NAME", "testpod")
os.Setenv("POD_NAMESPACE", api.NamespaceDefault)
_, err2 := GetPodDetails(testclient.NewSimpleClientset())
if err2 == nil {
t.Errorf("expected an error but returned nil")
}

// success to get PodInfo
fkClient := testclient.NewSimpleClientset(
&api.PodList{Items: []api.Pod{{
ObjectMeta: api.ObjectMeta{
Name: "testpod",
Namespace: api.NamespaceDefault,
Labels: map[string]string{
"first": "first_label",
"second": "second_label",
},
},
}}},
&api.NodeList{Items: []api.Node{{
ObjectMeta: api.ObjectMeta{
Name: "demo",
},
Status: api.NodeStatus{
Addresses: []api.NodeAddress{
{
Type: api.NodeLegacyHostIP,
Address: "10.0.0.1",
},
},
},
}}})

epi, err3 := GetPodDetails(fkClient)
if err3 != nil {
t.Errorf("expected a PodInfo but returned error")
return
}

if epi == nil {
t.Errorf("expected a PodInfo but returned nil")
}
}