micro/util/kubernetes/api/api_test.go

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package api
import (
"encoding/json"
"net/http"
"net/http/httptest"
"reflect"
"testing"
)
type testcase struct {
Token string
ReqFn func(opts *Options) *Request
Method string
URI string
Body interface{}
Header map[string]string
Assert func(req *http.Request) bool
}
type assertFn func(req *http.Request) bool
var tests = []testcase{
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Get().Resource("service")
},
Method: "GET",
URI: "/api/v1/namespaces/default/services/",
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Get().Resource("service").Name("foo")
},
Method: "GET",
URI: "/api/v1/namespaces/default/services/foo",
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Get().Resource("service").Namespace("test").Name("bar")
},
Method: "GET",
URI: "/api/v1/namespaces/test/services/bar",
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Get().Resource("deployment").Name("foo")
},
Method: "GET",
URI: "/apis/apps/v1/namespaces/default/deployments/foo",
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Get().Resource("deployment").Namespace("test").Name("foo")
},
Method: "GET",
URI: "/apis/apps/v1/namespaces/test/deployments/foo",
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Get().Resource("pod").Params(&Params{LabelSelector: map[string]string{"foo": "bar"}})
},
Method: "GET",
URI: "/api/v1/namespaces/default/pods/?labelSelector=foo%3Dbar",
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Post().Resource("service").Name("foo").Body(map[string]string{"foo": "bar"})
},
Method: "POST",
URI: "/api/v1/namespaces/default/services/foo",
Body: map[string]string{"foo": "bar"},
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Post().Resource("deployment").Namespace("test").Name("foo").Body(map[string]string{"foo": "bar"})
},
Method: "POST",
URI: "/apis/apps/v1/namespaces/test/deployments/foo",
Body: map[string]string{"foo": "bar"},
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Put().Resource("endpoint").Name("baz").Body(map[string]string{"bam": "bar"})
},
Method: "PUT",
URI: "/api/v1/namespaces/default/endpoints/baz",
Body: map[string]string{"bam": "bar"},
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Patch().Resource("endpoint").Name("baz").Body(map[string]string{"bam": "bar"})
},
Method: "PATCH",
URI: "/api/v1/namespaces/default/endpoints/baz",
Body: map[string]string{"bam": "bar"},
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Patch().Resource("endpoint").Name("baz").SetHeader("foo", "bar")
},
Method: "PATCH",
URI: "/api/v1/namespaces/default/endpoints/baz",
Header: map[string]string{"foo": "bar"},
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).Patch().Resource("deployment").Name("baz").SetHeader("foo", "bar")
},
Method: "PATCH",
URI: "/apis/apps/v1/namespaces/default/deployments/baz",
Header: map[string]string{"foo": "bar"},
},
testcase{
ReqFn: func(opts *Options) *Request {
return NewRequest(opts).
Get().
Resource("pod").
SubResource("log").
Name("foolog")
},
Method: "GET",
URI: "/api/v1/namespaces/default/pods/foolog/log",
},
}
var wrappedHandler = func(test *testcase, t *testing.T) http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
auth := r.Header.Get("Authorization")
if len(test.Token) > 0 && (len(auth) == 0 || auth != "Bearer "+test.Token) {
t.Errorf("test case token (%s) did not match expected token (%s)", "Bearer "+test.Token, auth)
}
if len(test.Method) > 0 && test.Method != r.Method {
t.Errorf("test case Method (%s) did not match expected Method (%s)", test.Method, r.Method)
}
if len(test.URI) > 0 && test.URI != r.URL.RequestURI() {
t.Errorf("test case URI (%s) did not match expected URI (%s)", test.URI, r.URL.RequestURI())
}
if test.Body != nil {
var res map[string]string
decoder := json.NewDecoder(r.Body)
if err := decoder.Decode(&res); err != nil {
t.Errorf("decoding body failed: %v", err)
}
if !reflect.DeepEqual(res, test.Body) {
t.Error("body did not match")
}
}
if test.Header != nil {
for k, v := range test.Header {
if r.Header.Get(k) != v {
t.Error("header did not exist")
}
}
}
w.WriteHeader(http.StatusOK)
})
}
func TestRequest(t *testing.T) {
for _, test := range tests {
ts := httptest.NewServer(wrappedHandler(&test, t))
req := test.ReqFn(&Options{
Host: ts.URL,
Client: &http.Client{},
BearerToken: &test.Token,
Namespace: "default",
})
res := req.Do()
if res.Error() != nil {
t.Errorf("request failed with %v", res.Error())
}
ts.Close()
}
}