88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
// Copyright 2026 The Go MCP SDK Authors. All rights reserved.
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package oauthex
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import (
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"reflect"
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"strings"
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"testing"
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)
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func TestClientCredentials_Validate(t *testing.T) {
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tests := []struct {
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name string
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creds ClientCredentials
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wantErr string
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}{
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{
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name: "valid public client",
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creds: ClientCredentials{ClientID: "my-client"},
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},
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{
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name: "valid confidential client",
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creds: ClientCredentials{
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ClientID: "my-client",
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ClientSecretAuth: &ClientSecretAuth{
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ClientSecret: "my-secret",
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},
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},
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},
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{
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name: "empty client ID",
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creds: ClientCredentials{},
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wantErr: "ClientID is required",
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},
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{
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name: "empty secret in ClientSecretAuth",
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creds: ClientCredentials{
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ClientID: "my-client",
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ClientSecretAuth: &ClientSecretAuth{},
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},
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wantErr: "ClientSecret is required",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := tt.creds.Validate()
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if tt.wantErr == "" {
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if err != nil {
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t.Fatalf("Validate() unexpected error: %v", err)
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}
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return
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}
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if err == nil {
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t.Fatalf("Validate() expected error containing %q, got nil", tt.wantErr)
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}
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if !strings.Contains(err.Error(), tt.wantErr) {
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t.Fatalf("Validate() error = %v, want error containing %q", err, tt.wantErr)
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}
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})
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}
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}
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// TestClientCredentials_ValidateCoversAllAuthFields uses reflection to detect
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// when new authentication method fields are added to ClientCredentials without
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// updating Validate. If this test fails, update Validate() to handle the new
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// field and increment knownAuthMethods.
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func TestClientCredentials_ValidateCoversAllAuthFields(t *testing.T) {
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const knownAuthMethods = 1 // ClientSecretAuth
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typ := reflect.TypeOf(ClientCredentials{})
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var pointerFields int
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for i := range typ.NumField() {
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f := typ.Field(i)
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if f.Name == "ClientID" || f.Name == "Issuer" {
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continue
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}
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if f.Type.Kind() != reflect.Ptr {
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t.Errorf("field %q is %v, expected a pointer to an auth method struct", f.Name, f.Type.Kind())
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}
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pointerFields++
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}
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if pointerFields != knownAuthMethods {
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t.Fatalf("ClientCredentials has %d auth method fields but Validate only knows about %d -- update Validate() and this test", pointerFields, knownAuthMethods)
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}
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}
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