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// Copyright 2022 Google LLC All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package authn
import (
"encoding/json"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
)
func TestAuthConfigMarshalJSON(t *testing.T) {
cases := []struct {
name string
config AuthConfig
json string
}{{
name: "auth field is calculated",
config: AuthConfig{
Username: "user",
Password: "pass",
IdentityToken: "id",
RegistryToken: "reg",
},
json: `{"username":"user","password":"pass","auth":"dXNlcjpwYXNz","identitytoken":"id","registrytoken":"reg"}`,
}, {
name: "auth field replaced",
config: AuthConfig{
Username: "user",
Password: "pass",
Auth: "blah",
IdentityToken: "id",
RegistryToken: "reg",
},
json: `{"username":"user","password":"pass","auth":"dXNlcjpwYXNz","identitytoken":"id","registrytoken":"reg"}`,
}}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
bytes, err := json.Marshal(&tc.config)
if err != nil {
t.Fatal("Marshal() =", err)
}
if diff := cmp.Diff(tc.json, string(bytes)); diff != "" {
t.Error("json output diff (-want, +got): ", diff)
}
})
}
}
func TestAuthConfigUnmarshalJSON(t *testing.T) {
cases := []struct {
name string
json string
err string
want AuthConfig
}{{
name: "valid config no auth",
json: `{
"username": "user",
"password": "pass",
"identitytoken": "id",
"registrytoken": "reg"
}`,
want: AuthConfig{
// Auth value is set based on username and password
Auth: "dXNlcjpwYXNz",
Username: "user",
Password: "pass",
IdentityToken: "id",
RegistryToken: "reg",
},
}, {
name: "bad json input",
json: `{"username":true}`,
err: "json: cannot unmarshal",
}, {
name: "auth is base64",
json: `{ "auth": "dXNlcjpwYXNz" }`, // user:pass
want: AuthConfig{
Username: "user",
Password: "pass",
Auth: "dXNlcjpwYXNz",
},
}, {
name: "auth field overrides others",
json: `{ "auth": "dXNlcjpwYXNz", "username":"foo", "password":"bar" }`, // user:pass
want: AuthConfig{
Username: "user",
Password: "pass",
Auth: "dXNlcjpwYXNz",
},
}, {
name: "auth is base64 padded",
json: `{ "auth": "dXNlcjpwYXNzd29yZA==" }`, // user:password
want: AuthConfig{
Username: "user",
Password: "password",
Auth: "dXNlcjpwYXNzd29yZA==",
},
}, {
name: "auth is not base64",
json: `{ "auth": "bad-auth-bad" }`,
err: "unable to decode auth field",
}, {
name: "decoded auth is not valid",
json: `{ "auth": "Zm9vYmFy" }`,
err: "unable to decode auth field: must be formatted as base64(username:password)",
}}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
var got AuthConfig
err := json.Unmarshal([]byte(tc.json), &got)
if tc.err != "" && err == nil {
t.Fatal("no error occurred expected:", tc.err)
} else if tc.err != "" && err != nil {
if !strings.HasPrefix(err.Error(), tc.err) {
t.Fatalf("expected err %q to have prefix %q", err, tc.err)
}
return
}
if err != nil {
t.Fatal("Unmarshal()=", err)
}
if diff := cmp.Diff(tc.want, got); diff != "" {
t.Fatal("unexpected diff (-want, +got)\n", diff)
}
})
}
}
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