Upstream password manager unit tests

ios/chrome/browser/passwords/credential_manager_js_unittest.mm

Index: ios/chrome/browser/passwords/credential_manager_js_unittest.mm
diff --git a/ios/chrome/browser/passwords/credential_manager_js_unittest.mm b/ios/chrome/browser/passwords/credential_manager_js_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..42382ba88d9a8f448d173d1d471e0d81d10f7f8e
--- /dev/null
+++ b/ios/chrome/browser/passwords/credential_manager_js_unittest.mm
@@ -0,0 +1,510 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <memory>
+
+#include "base/mac/foundation_util.h"
+#import "base/mac/scoped_nsobject.h"
+#include "base/strings/utf_string_conversions.h"
+#include "base/values.h"
+#import "ios/chrome/browser/passwords/js_credential_manager.h"
+#include "ios/web/public/web_state/credential.h"
+#import "ios/web/public/web_state/js/crw_js_injection_receiver.h"
+#import "ios/web/public/web_state/web_state.h"
+#include "ios/web/public/web_state/web_state_observer.h"
+#import "ios/web/public/test/web_test_with_web_state.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest_mac.h"
+#include "url/gurl.h"
+
+namespace {
+
+using ::testing::_;
+
+// Matcher to match web::Credential.
+MATCHER_P(IsEqualTo, value, "") {
+  return arg.type == value.type && arg.id == value.id &&
+         arg.name == value.name && arg.avatar_url == value.avatar_url &&
+         arg.password == value.password &&
+         arg.federation_origin.Serialize() ==
+             value.federation_origin.Serialize();
+}
+
+// A mock WebStateObserver for testing the Credential Manager API.
+class MockWebStateObserver : public web::WebStateObserver {
+ public:
+  explicit MockWebStateObserver(web::WebState* web_state)
+      : web::WebStateObserver(web_state) {}
+  ~MockWebStateObserver() override {}
+
+  MOCK_METHOD5(
+      CredentialsRequested,
+      void(int, const GURL&, bool, const std::vector<std::string>&, bool));
+  MOCK_METHOD3(SignedIn, void(int, const GURL&, const web::Credential&));
+  MOCK_METHOD2(SignedIn, void(int, const GURL&));
+  MOCK_METHOD2(SignedOut, void(int, const GURL&));
+  MOCK_METHOD3(SignInFailed, void(int, const GURL&, const web::Credential&));
+  MOCK_METHOD2(SignInFailed, void(int, const GURL&));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockWebStateObserver);
+};
+
+// Unit tests for the Credential Manager JavaScript and associated plumbing.
+class CredentialManagerJsTest : public web::WebTestWithWebState {
+ public:
+  CredentialManagerJsTest() {}
+
+  void SetUp() override {
+    web::WebTestWithWebState::SetUp();
+    js_credential_manager_.reset(base::mac::ObjCCastStrict<JSCredentialManager>(
+        [[web_state()->GetJSInjectionReceiver()
+            instanceOfClass:[JSCredentialManager class]] retain]));
+    observer_.reset(new MockWebStateObserver(web_state()));
+  }
+
+  // Sets up a web page and injects the JSCredentialManager. Must be called
+  // before any interaction with the page.
+  void Inject() {
+    LoadHtml(@"");
+    [js_credential_manager_ inject];
+  }
+
+  // Returns the mock observer.
+  MockWebStateObserver& observer() { return *observer_; }
+
+  // Returns a string that creates a Credential object for JavaScript testing.
+  NSString* test_credential_js() {
+    return @"new PasswordCredential('bob', 'bobiscool', 'Bob Boblaw',"
+           @"'https://bobboblawslawblog.com/bob.jpg')";
+  }
+
+  // Returns a Credential to match the one returned by |test_credential_js()|.
+  web::Credential test_credential() {
+    web::Credential test_credential;
+    test_credential.type = web::CredentialType::CREDENTIAL_TYPE_PASSWORD;
+    test_credential.id = base::ASCIIToUTF16("bob");
+    test_credential.password = base::ASCIIToUTF16("bobiscool");
+    test_credential.name = base::ASCIIToUTF16("Bob Boblaw");
+    test_credential.avatar_url = GURL("https://bobboblawslawblog.com/bob.jpg");
+    return test_credential;
+  }
+
+  // Adds handlers for resolving and rejecting the promise returned by
+  // executing the code in |promise|.
+  void PrepareResolverAndRejecter(NSString* promise) {
+    EvaluateJavaScriptAsString(
+        [NSString stringWithFormat:@"var resolved = false;             "
+                                   @"var rejected = false;             "
+                                   @"var resolvedCredential = null;    "
+                                   @"var rejectedError = null;         "
+                                   @"function resolve(credential) {    "
+                                   @"  resolved = true;                "
+                                   @"  resolvedCredential = credential;"
+                                   @"}                                 "
+                                   @"function reject(error) {          "
+                                   @"  rejected = true;                "
+                                   @"  rejectedError = error;          "
+                                   @"}                                 "
+                                   @"%@.then(resolve, reject);         ",
+                                   promise]);
+    // Wait until the promise executor has executed.
+    WaitForCondition(^bool {
+      return [EvaluateJavaScriptAsString(
+          @"Object.keys(__gCrWeb.credentialManager.resolvers_).length > 0")
+          isEqualToString:@"true"];
+    });
+  }
+
+  // Checks that the Credential returned to the resolve handler in JavaScript
+  // matches the structure of |test_credential()|.
+  void CheckResolvedCredentialMatchesTestCredential() {
+    EXPECT_NSEQ(@"true", EvaluateJavaScriptAsString(@"resolved"));
+    EXPECT_NSEQ(
+        @"PasswordCredential",
+        EvaluateJavaScriptAsString(@"resolvedCredential.constructor.name"));
+    EXPECT_NSEQ(@"bob", EvaluateJavaScriptAsString(@"resolvedCredential.id"));
+    EXPECT_NSEQ(@"bobiscool",
+                EvaluateJavaScriptAsString(@"resolvedCredential.password_"));
+    EXPECT_NSEQ(@"Bob Boblaw",
+                EvaluateJavaScriptAsString(@"resolvedCredential.name"));
+    EXPECT_NSEQ(@"https://bobboblawslawblog.com/bob.jpg",
+                EvaluateJavaScriptAsString(@"resolvedCredential.avatarURL"));
+  }
+
+  // Checks that the promise set up by |PrepareResolverAndRejecter| was resolved
+  // without a credential.
+  void CheckResolvedWithoutCredential() {
+    EXPECT_NSEQ(@"true", EvaluateJavaScriptAsString(@"resolved"));
+    EXPECT_NSEQ(@"false", EvaluateJavaScriptAsString(@"!!resolvedCredential"));
+  }
+
+  // Checks that the promise set up by |PrepareResolverAndRejecter| was rejected
+  // with an error with name |error_name| and |message|.
+  void CheckRejected(NSString* error_name, NSString* message) {
+    EXPECT_NSEQ(@"true", EvaluateJavaScriptAsString(@"rejected"));
+    EXPECT_NSEQ(error_name, EvaluateJavaScriptAsString(@"rejectedError.name"));
+    EXPECT_NSEQ(message, EvaluateJavaScriptAsString(@"rejectedError.message"));
+  }
+
+  // Waits until the promise set up by |PrepareResolverAndRejecter| has been
+  // either resolved or rejected.
+  void WaitUntilPromiseResolvedOrRejected() {
+    WaitForCondition(^bool {
+      return [EvaluateJavaScriptAsString(@"resolved || rejected")
+          isEqualToString:@"true"];
+    });
+  }
+
+  // Resolves the promise set up by |PrepareResolverAndRejecter| and associated
+  // with |request_id| with |test_credential()|.
+  void ResolvePromiseWithTestCredential(int request_id) {
+    __block bool finished = false;
+    [js_credential_manager() resolvePromiseWithRequestID:request_id
+                                              credential:test_credential()
+                                       completionHandler:^(BOOL success) {
+                                         EXPECT_TRUE(success);
+                                         finished = true;
+                                       }];
+    WaitForCondition(^bool {
+      return finished;
+    });
+    WaitUntilPromiseResolvedOrRejected();
+  }
+
+  // Resolves the promise set up by |PrepareResolverAndRejecter| and associated
+  // with |request_id| without a credential.
+  void ResolvePromiseWithoutCredential(int request_id) {
+    __block bool finished = false;
+    [js_credential_manager() resolvePromiseWithRequestID:request_id
+                                       completionHandler:^(BOOL success) {
+                                         EXPECT_TRUE(success);
+                                         finished = true;
+                                       }];
+    WaitForCondition(^bool {
+      return finished;
+    });
+    WaitUntilPromiseResolvedOrRejected();
+  }
+
+  // Rejects the promise set up by |PrepareResolverAndRejecter| and associated
+  // with |request_id| with an error of type |error_type| and |message|.
+  void RejectPromise(int request_id, NSString* error_type, NSString* message) {
+    __block bool finished = false;
+    [js_credential_manager() rejectPromiseWithRequestID:request_id
+                                              errorType:error_type
+                                                message:message
+                                      completionHandler:^(BOOL success) {
+                                        EXPECT_TRUE(success);
+                                        finished = true;
+                                      }];
+    WaitForCondition(^bool {
+      return finished;
+    });
+    WaitUntilPromiseResolvedOrRejected();
+  }
+
+  // Tests that the promise set up by |PrepareResolverAndRejecter| wasn't
+  // rejected.
+  void CheckNeverRejected() {
+    EXPECT_NSEQ(@"false", EvaluateJavaScriptAsString(@"rejected"));
+  }
+
+  // Tests that the promise set up by |PrepareResolverAndRejecter| wasn't
+  // resolved.
+  void CheckNeverResolved() {
+    EXPECT_NSEQ(@"false", EvaluateJavaScriptAsString(@"resolved"));
+  }
+
+  // Returns the JSCredentialManager for testing.
+  JSCredentialManager* js_credential_manager() {
+    return js_credential_manager_;
+  }
+
+  // Tests that resolving the promise returned by |promise| and associated with
+  // |request_id| with |test_credential()| correctly forwards that credential
+  // to the client.
+  void TestPromiseResolutionWithCredential(int request_id, NSString* promise) {
+    PrepareResolverAndRejecter(promise);
+    ResolvePromiseWithTestCredential(request_id);
+    CheckResolvedCredentialMatchesTestCredential();
+    CheckNeverRejected();
+  }
+
+  // Tests that resolving the promise returned by |promise| and associated with
+  // |request_id| without a credential correctly invokes the client.
+  void TestPromiseResolutionWithoutCredential(int request_id,
+                                              NSString* promise) {
+    PrepareResolverAndRejecter(promise);
+    ResolvePromiseWithoutCredential(request_id);
+    CheckResolvedWithoutCredential();
+    CheckNeverRejected();
+  }
+
+  // Tests that rejecting the promise returned by |promise| and associated with
+  // |request_id| with an error of type |error| and message |message| correctly
+  // forwards that error to the client.
+  void TestPromiseRejection(int request_id,
+                            NSString* error,
+                            NSString* message,
+                            NSString* promise) {
+    PrepareResolverAndRejecter(promise);
+    RejectPromise(request_id, error, message);
+    CheckRejected(error, message);
+    CheckNeverResolved();
+  }
+
+ private:
+  // Manager for injected credential manager JavaScript.
+  base::scoped_nsobject<JSCredentialManager> js_credential_manager_;
+
+  // Mock observer for testing.
+  std::unique_ptr<MockWebStateObserver> observer_;
+
+  DISALLOW_COPY_AND_ASSIGN(CredentialManagerJsTest);
+};
+
+// Tests that navigator.credentials calls use distinct request identifiers.
+TEST_F(CredentialManagerJsTest, RequestIdentifiersDiffer) {
+  Inject();
+  EXPECT_CALL(observer(), CredentialsRequested(0, _, _, _, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.request()");
+  EXPECT_CALL(observer(), SignInFailed(1, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.notifyFailedSignIn()");
+  EXPECT_CALL(observer(), SignInFailed(2, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.notifyFailedSignIn()");
+  EXPECT_CALL(observer(), SignedIn(3, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.notifySignedIn()");
+  EXPECT_CALL(observer(), SignedOut(4, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.notifySignedOut()");
+  EXPECT_CALL(observer(), CredentialsRequested(5, _, _, _, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.request()");
+}
+
+// Tests that navigator.credentials.request() creates and forwards the right
+// arguments to the app side.
+// TODO(rohitrao): Fails after merge r376674.  https://crbug.com/588706.
+TEST_F(CredentialManagerJsTest, DISABLED_RequestToApp) {
+  Inject();
+  std::vector<std::string> empty_federations;
+  std::vector<std::string> nonempty_federations;
+  nonempty_federations.push_back("foo");
+  nonempty_federations.push_back("bar");
+
+  EXPECT_CALL(observer(),
+              CredentialsRequested(0, _, false, empty_federations, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.request()");
+
+  EXPECT_CALL(observer(),
+              CredentialsRequested(1, _, false, empty_federations, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.request({})");
+
+  EXPECT_CALL(observer(),
+              CredentialsRequested(2, _, true, empty_federations, _));
+  EvaluateJavaScriptAsString(
+      @"navigator.credentials.request({suppressUI: true})");
+
+  EXPECT_CALL(observer(),
+              CredentialsRequested(3, _, false, nonempty_federations, _));
+  EvaluateJavaScriptAsString(
+      @"navigator.credentials.request({federations: ['foo', 'bar']})");
+
+  EXPECT_CALL(observer(),
+              CredentialsRequested(4, _, true, nonempty_federations, _));
+  EvaluateJavaScriptAsString(
+      @"navigator.credentials.request("
+      @"    { suppressUI: true, federations: ['foo', 'bar'] })");
+
+  EXPECT_CALL(observer(),
+              CredentialsRequested(5, _, false, empty_federations, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.request("
+                             @"    { suppressUI: false, federations: [] })");
+}
+
+// Tests that navigator.credentials.notifySignedIn() creates and forwards the
+// right arguments to the app side.
+TEST_F(CredentialManagerJsTest, NotifySignedInToApp) {
+  Inject();
+  EXPECT_CALL(observer(), SignedIn(0, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.notifySignedIn()");
+
+  EXPECT_CALL(observer(), SignedIn(1, _, IsEqualTo(test_credential())));
+  EvaluateJavaScriptAsString(
+      [NSString stringWithFormat:@"navigator.credentials.notifySignedIn(%@)",
+                                 test_credential_js()]);
+}
+
+// Tests that navigator.credentials.notifySignedOut() creates and forwards the
+// right arguments to the app side.
+TEST_F(CredentialManagerJsTest, NotifySignedOutToApp) {
+  Inject();
+  EXPECT_CALL(observer(), SignedOut(0, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.notifySignedOut()");
+}
+
+// Tests that navigator.credentials.notifyFailedSignIn() creates and forwards
+// the right arguments to the app side.
+TEST_F(CredentialManagerJsTest, NotifyFailedSignInToApp) {
+  Inject();
+  EXPECT_CALL(observer(), SignInFailed(0, _));
+  EvaluateJavaScriptAsString(@"navigator.credentials.notifyFailedSignIn()");
+
+  EXPECT_CALL(observer(), SignInFailed(1, _, IsEqualTo(test_credential())));
+  EvaluateJavaScriptAsString([NSString
+      stringWithFormat:@"navigator.credentials.notifyFailedSignIn(%@)",
+                       test_credential_js()]);
+}
+
+// Tests that resolving the promise returned by a call to
+// navigator.credentials.request() with a credential correctly forwards that
+// credential to the client.
+TEST_F(CredentialManagerJsTest, ResolveRequestPromiseWithCredential) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), CredentialsRequested(request_id, _, _, _, _));
+  TestPromiseResolutionWithCredential(request_id,
+                                      @"navigator.credentials.request()");
+}
+
+// Tests that resolving the promise returned by a call to
+// navigator.credentials.request() without a credential correctly invokes the
+// client handler.
+TEST_F(CredentialManagerJsTest, ResolveRequestPromiseWithoutCredential) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), CredentialsRequested(request_id, _, _, _, _));
+  TestPromiseResolutionWithoutCredential(request_id,
+                                         @"navigator.credentials.request()");
+}
+
+// Tests that resolving the promise returned by a call to
+// navigator.credentials.notifySignedIn() without a credential correctly invokes
+// the client handler.
+TEST_F(CredentialManagerJsTest, ResolveNotifySignedInPromiseWithoutCredential) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignedIn(request_id, _));
+  TestPromiseResolutionWithoutCredential(
+      request_id, @"navigator.credentials.notifySignedIn()");
+}
+
+// Tests that resolving the promise returned by a call to
+// navigator.credentials.notifyFailedSignIn() without a credential correctly
+// invokes the client handler.
+TEST_F(CredentialManagerJsTest,
+       ResolveNotifyFailedSignInPromiseWithoutCredential) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignInFailed(request_id, _));
+  TestPromiseResolutionWithoutCredential(
+      request_id, @"navigator.credentials.notifyFailedSignIn()");
+}
+
+// Tests that resolving the promise returned by a call to
+// navigator.credentials.notifyFailedSignIn() without a credential correctly
+// invokes the client handler.
+TEST_F(CredentialManagerJsTest,
+       ResolveNotifySignedOutPromiseWithoutCredential) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignedOut(request_id, _));
+  TestPromiseResolutionWithoutCredential(
+      request_id, @"navigator.credentials.notifySignedOut()");
+}
+
+// Tests that rejecting the promise returned by a call to
+// navigator.credentials.request() with a InvalidStateError correctly forwards
+// that error to the client.
+TEST_F(CredentialManagerJsTest, RejectRequestPromiseWithInvalidStateError) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), CredentialsRequested(request_id, _, _, _, _));
+  TestPromiseRejection(request_id, @"InvalidStateError", @"foo",
+                       @"navigator.credentials.request()");
+}
+
+// Tests that rejecting the promise returned by a call to
+// navigator.credentials.notifySignedIn() with a InvalidStateError correctly
+// forwards that error to the client.
+TEST_F(CredentialManagerJsTest,
+       RejectNotifySignedInPromiseWithInvalidStateError) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignedIn(request_id, _));
+  TestPromiseRejection(request_id, @"InvalidStateError", @"foo",
+                       @"navigator.credentials.notifySignedIn()");
+}
+
+// Tests that rejecting the promise returned by a call to
+// navigator.credentials.notifyFailedSignIn() with a InvalidStateError correctly
+// forwards that error to the client.
+TEST_F(CredentialManagerJsTest,
+       RejectNotifyFailedSignInPromiseWithInvalidStateError) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignInFailed(request_id, _));
+  TestPromiseRejection(request_id, @"InvalidStateError", @"foo",
+                       @"navigator.credentials.notifyFailedSignIn()");
+}
+
+// Tests that rejecting the promise returned by a call to
+// navigator.credentials.notifySignedOut() with a InvalidStateError correctly
+// forwards that error to the client.
+TEST_F(CredentialManagerJsTest,
+       RejectNotifySignedOutPromiseWithInvalidStateError) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignedOut(request_id, _));
+  TestPromiseRejection(request_id, @"InvalidStateError", @"foo",
+                       @"navigator.credentials.notifySignedOut()");
+}
+
+// Tests that rejecting the promise returned by a call to
+// navigator.credentials.request() with a SecurityError correctly forwards that
+// error to the client.
+TEST_F(CredentialManagerJsTest, RejectRequestPromiseWithSecurityError) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), CredentialsRequested(request_id, _, _, _, _));
+  TestPromiseRejection(request_id, @"SecurityError", @"foo",
+                       @"navigator.credentials.request()");
+}
+
+// Tests that rejecting the promise returned by a call to
+// navigator.credentials.notifySignedIn() with a SecurityError correctly
+// forwards that error to the client.
+TEST_F(CredentialManagerJsTest, RejectNotifySignedInPromiseWithSecurityError) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignedIn(request_id, _));
+  TestPromiseRejection(request_id, @"SecurityError", @"foo",
+                       @"navigator.credentials.notifySignedIn()");
+}
+
+// Tests that rejecting the promise returned by a call to
+// navigator.credentials.notifyFailedSignIn() with a SecurityError correctly
+// forwards that error to the client.
+TEST_F(CredentialManagerJsTest,
+       RejectPromiseWithSecurityError_notifyFailedSignIn) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignInFailed(request_id, _));
+  TestPromiseRejection(request_id, @"SecurityError", @"foo",
+                       @"navigator.credentials.notifyFailedSignIn()");
+}
+
+// Tests that rejecting the promise returned by a call to
+// navigator.credentials.notifySignedOut() with a SecurityError correctly
+// forwards that error to the client.
+TEST_F(CredentialManagerJsTest,
+       RejectPromiseWithSecurityError_notifySignedOut) {
+  Inject();
+  const int request_id = 0;
+  EXPECT_CALL(observer(), SignedOut(request_id, _));
+  TestPromiseRejection(request_id, @"SecurityError", @"foo",
+                       @"navigator.credentials.notifySignedOut()");
+}
+
+}  // namespace