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|
package imds
import (
"bytes"
"context"
"encoding/hex"
"io/ioutil"
"net/http/httptest"
"testing"
"time"
"github.com/google/go-cmp/cmp"
)
func TestGetMetadata(t *testing.T) {
cases := map[string]struct {
Path string
ExpectPath string
ExpectContent []byte
ExpectTrace []string
}{
"empty path": {
ExpectPath: getMetadataPath,
ExpectContent: []byte("success"),
ExpectTrace: []string{
getTokenPath,
getMetadataPath,
},
},
"with path no leading slash": {
Path: "abc",
ExpectPath: getMetadataPath + "/abc",
ExpectContent: []byte("success"),
ExpectTrace: []string{
getTokenPath,
getMetadataPath + "/abc",
},
},
"with path": {
Path: "/abc",
ExpectPath: getMetadataPath + "/abc",
ExpectContent: []byte("success"),
ExpectTrace: []string{
getTokenPath,
getMetadataPath + "/abc",
},
},
"with path trailing slash": {
Path: "/abc/",
ExpectPath: getMetadataPath + "/abc/",
ExpectContent: []byte("success"),
ExpectTrace: []string{
getTokenPath,
getMetadataPath + "/abc/",
},
},
}
ctx := context.Background()
for name, c := range cases {
t.Run(name, func(t *testing.T) {
trace := newRequestTrace()
server := httptest.NewServer(trace.WrapHandler(
newTestServeMux(t,
newSecureAPIHandler(t,
[]string{"tokenA"},
5*time.Minute,
&successAPIResponseHandler{t: t,
path: c.ExpectPath,
method: "GET",
body: append([]byte{}, c.ExpectContent...),
},
))))
defer server.Close()
// Asserts
client := New(Options{
Endpoint: server.URL,
})
resp, err := client.GetMetadata(ctx, &GetMetadataInput{
Path: c.Path,
})
if err != nil {
t.Fatalf("expect no error, got %v", err)
}
if resp == nil {
t.Fatalf("expect resp, got none")
}
actualContent, err := ioutil.ReadAll(resp.Content)
if err != nil {
t.Fatalf("expect to read content, got %v", err)
}
if e, a := c.ExpectContent, actualContent; !bytes.Equal(e, a) {
t.Errorf("expect content to be equal\nexpect:\n%s\nactual:\n%s",
hex.Dump(e), hex.Dump(a))
}
if diff := cmp.Diff(c.ExpectTrace, trace.requests); len(diff) != 0 {
t.Errorf("expect trace to match\n%s", diff)
}
})
}
}
|
