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k8s_util_test.go
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k8s_util_test.go
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package gitreceive
import (
"fmt"
"strings"
"testing"
"k8s.io/kubernetes/pkg/api"
)
func TestDockerBuilderPodName(t *testing.T) {
name := dockerBuilderPodName("demo", "12345678")
if !strings.HasPrefix(name, "dockerbuild-demo-12345678-") {
t.Fatalf("expected pod name dockerbuild-demo-12345678-*, got %s", name)
}
}
func TestSlugBuilderPodName(t *testing.T) {
name := slugBuilderPodName("demo", "12345678")
if !strings.HasPrefix(name, "slugbuild-demo-12345678-") {
t.Fatalf("expected pod name slugbuild-demo-12345678-*, got %s", name)
}
}
type slugBuildCase struct {
debug bool
name string
namespace string
env map[string]interface{}
tarKey string
putKey string
cacheKey string
gitShortHash string
buildPack string
slugBuilderImage string
slugBuilderImagePullPolicy api.PullPolicy
storageType string
}
type dockerBuildCase struct {
debug bool
name string
namespace string
env map[string]interface{}
tarKey string
gitShortHash string
imgName string
dockerBuilderImage string
dockerBuilderImagePullPolicy api.PullPolicy
storageType string
}
func TestBuildPod(t *testing.T) {
emptyEnv := make(map[string]interface{})
env := make(map[string]interface{})
env["KEY"] = "VALUE"
var pod *api.Pod
slugBuilds := []slugBuildCase{
{true, "test", "default", emptyEnv, "tar", "put-url", "cache-url", "deadbeef", "", "", api.PullAlways, ""},
{true, "test", "default", env, "tar", "put-url", "cache-url", "deadbeef", "", "", api.PullAlways, ""},
{true, "test", "default", emptyEnv, "tar", "put-url", "cache-url", "deadbeef", "buildpack", "", api.PullAlways, ""},
{true, "test", "default", env, "tar", "put-url", "cache-url", "deadbeef", "buildpack", "", api.PullAlways, ""},
{true, "test", "default", env, "tar", "put-url", "cache-url", "deadbeef", "buildpack", "customimage", api.PullAlways, ""},
{true, "test", "default", env, "tar", "put-url", "cache-url", "deadbeef", "buildpack", "customimage", api.PullIfNotPresent, ""},
{true, "test", "default", env, "tar", "put-url", "cache-url", "deadbeef", "buildpack", "customimage", api.PullNever, ""},
}
for _, build := range slugBuilds {
pod = slugbuilderPod(
build.debug,
build.name,
build.namespace,
build.env,
build.tarKey,
build.putKey,
build.cacheKey,
build.gitShortHash,
build.buildPack,
build.storageType,
build.slugBuilderImage,
build.slugBuilderImagePullPolicy,
)
if pod.ObjectMeta.Name != build.name {
t.Errorf("expected %v but returned %v ", build.name, pod.ObjectMeta.Name)
}
if pod.ObjectMeta.Namespace != build.namespace {
t.Errorf("expected %v but returned %v ", build.namespace, pod.ObjectMeta.Namespace)
}
checkForEnv(t, pod, "SOURCE_VERSION", build.gitShortHash)
checkForEnv(t, pod, "TAR_PATH", build.tarKey)
checkForEnv(t, pod, "PUT_PATH", build.putKey)
checkForEnv(t, pod, "CACHE_PATH", build.cacheKey)
if build.buildPack != "" {
checkForEnv(t, pod, "BUILDPACK_URL", build.buildPack)
}
if build.slugBuilderImage != "" {
if pod.Spec.Containers[0].Image != build.slugBuilderImage {
t.Errorf("expected %v but returned %v ", build.slugBuilderImage, pod.Spec.Containers[0].Image)
}
}
if build.slugBuilderImagePullPolicy != "" {
if pod.Spec.Containers[0].ImagePullPolicy != build.slugBuilderImagePullPolicy {
t.Errorf("expected %v but returned %v", build.slugBuilderImagePullPolicy, pod.Spec.Containers[0].ImagePullPolicy)
}
}
}
dockerBuilds := []dockerBuildCase{
{true, "test", "default", emptyEnv, "tar", "deadbeef", "", "", api.PullAlways, ""},
{true, "test", "default", env, "tar", "deadbeef", "", "", api.PullAlways, ""},
{true, "test", "default", emptyEnv, "tar", "deadbeef", "img", "", api.PullAlways, ""},
{true, "test", "default", env, "tar", "deadbeef", "img", "", api.PullAlways, ""},
{true, "test", "default", env, "tar", "deadbeef", "img", "customimage", api.PullAlways, ""},
{true, "test", "default", env, "tar", "deadbeef", "img", "customimage", api.PullIfNotPresent, ""},
{true, "test", "default", env, "tar", "deadbeef", "img", "customimage", api.PullNever, ""},
}
regEnv := map[string]string{"REG_LOC": "on-cluster"}
for _, build := range dockerBuilds {
pod = dockerBuilderPod(
build.debug,
build.name,
build.namespace,
build.env,
build.tarKey,
build.gitShortHash,
build.imgName,
build.storageType,
build.dockerBuilderImage,
"localhost",
"5555",
regEnv,
build.dockerBuilderImagePullPolicy,
)
if pod.ObjectMeta.Name != build.name {
t.Errorf("expected %v but returned %v ", build.name, pod.ObjectMeta.Name)
}
if pod.ObjectMeta.Namespace != build.namespace {
t.Errorf("expected %v but returned %v ", build.namespace, pod.ObjectMeta.Namespace)
}
checkForEnv(t, pod, "SOURCE_VERSION", build.gitShortHash)
checkForEnv(t, pod, "TAR_PATH", build.tarKey)
checkForEnv(t, pod, "IMG_NAME", build.imgName)
checkForEnv(t, pod, "REG_LOC", "on-cluster")
if build.dockerBuilderImage != "" {
if pod.Spec.Containers[0].Image != build.dockerBuilderImage {
t.Errorf("expected %v but returned %v", build.dockerBuilderImage, pod.Spec.Containers[0].Image)
}
}
if build.dockerBuilderImagePullPolicy != "" {
if pod.Spec.Containers[0].ImagePullPolicy != "" {
if pod.Spec.Containers[0].ImagePullPolicy != build.dockerBuilderImagePullPolicy {
t.Errorf("expected %v but returned %v", build.dockerBuilderImagePullPolicy, pod.Spec.Containers[0].ImagePullPolicy)
}
}
}
}
}
func checkForEnv(t *testing.T, pod *api.Pod, key, expVal string) {
val, err := envValueFromKey(pod, key)
if err != nil {
t.Errorf("%v", err)
}
if val != val {
t.Errorf("expected %v but returned %v ", expVal, val)
}
}
func envValueFromKey(pod *api.Pod, key string) (string, error) {
for _, env := range pod.Spec.Containers[0].Env {
if env.Name == key {
return env.Value, nil
}
}
return "", fmt.Errorf("no key with name %v found in pod env", key)
}