PaymentHandler: Implement PaymentInstruments.clear().

content/browser/payments/payment_manager_unittest.cc

 // Copyright 2016 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 <utility>
 
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "components/payments/mojom/payment_app.mojom.h"
 #include "content/browser/payments/payment_app_content_unittest_base.h"
@@ skipping 53 matching lines @@
 }
 
 void GetPaymentInstrumentCallback(PaymentInstrumentPtr* out_instrument,
                                   PaymentHandlerStatus* out_status,
                                   PaymentInstrumentPtr instrument,
                                   PaymentHandlerStatus status) {
   *out_instrument = std::move(instrument);
   *out_status = status;
 }
 
+void ClearPaymentInstrumentsCallback(PaymentHandlerStatus* out_status,
+                                     PaymentHandlerStatus status) {
+  *out_status = status;
+}
+
 }  // namespace
 
 class PaymentManagerTest : public PaymentAppContentUnitTestBase {
  public:
   PaymentManagerTest() {
     manager_ = CreatePaymentManager(GURL(kServiceWorkerPattern),
                                     GURL(kServiceWorkerScript));
     EXPECT_NE(nullptr, manager_);
   }
 
@@ skipping 32 matching lines @@
 
   void GetPaymentInstrument(const std::string& instrument_key,
                             PaymentInstrumentPtr* out_instrument,
                             PaymentHandlerStatus* out_status) {
     manager_->GetPaymentInstrument(
         instrument_key,
         base::Bind(&GetPaymentInstrumentCallback, out_instrument, out_status));
     base::RunLoop().RunUntilIdle();
   }
 
+  void ClearPaymentInstruments(PaymentHandlerStatus* out_status) {
+    manager_->ClearPaymentInstruments(
+        base::Bind(&ClearPaymentInstrumentsCallback, out_status));
+    base::RunLoop().RunUntilIdle();
+  }
+
  private:
   // Owned by payment_app_context_.
   PaymentManager* manager_;
 
   DISALLOW_COPY_AND_ASSIGN(PaymentManagerTest);
 };
 
 TEST_F(PaymentManagerTest, SetAndGetManifest) {
   bool called = false;
   PaymentAppManifestError error =
@@ skipping 151 matching lines @@
 
   keys_status = PaymentHandlerStatus::NOT_FOUND;
   KeysOfPaymentInstruments(&keys, &keys_status);
   ASSERT_EQ(PaymentHandlerStatus::SUCCESS, keys_status);
   ASSERT_EQ(3U, keys.size());
   ASSERT_EQ("test_key1", keys[0]);
   ASSERT_EQ("test_key3", keys[1]);
   ASSERT_EQ("test_key2", keys[2]);
 }
 
+TEST_F(PaymentManagerTest, ClearPaymentInstruments) {
+  PaymentHandlerStatus status = PaymentHandlerStatus::NOT_FOUND;
+  std::vector<std::string> keys;
+  KeysOfPaymentInstruments(&keys, &status);
+  ASSERT_EQ(PaymentHandlerStatus::SUCCESS, status);
+  ASSERT_EQ(0U, keys.size());
+
+  {
+    PaymentHandlerStatus write_status = PaymentHandlerStatus::NOT_FOUND;
+    SetPaymentInstrument("test_key1", PaymentInstrument::New(), &write_status);
+    ASSERT_EQ(PaymentHandlerStatus::SUCCESS, write_status);
+  }
+  {
+    PaymentHandlerStatus write_status = PaymentHandlerStatus::NOT_FOUND;
+    SetPaymentInstrument("test_key3", PaymentInstrument::New(), &write_status);
+    ASSERT_EQ(PaymentHandlerStatus::SUCCESS, write_status);
+  }
+  {
+    PaymentHandlerStatus write_status = PaymentHandlerStatus::NOT_FOUND;
+    SetPaymentInstrument("test_key2", PaymentInstrument::New(), &write_status);
+    ASSERT_EQ(PaymentHandlerStatus::SUCCESS, write_status);
+  }
+
+  status = PaymentHandlerStatus::NOT_FOUND;
+  KeysOfPaymentInstruments(&keys, &status);
+  ASSERT_EQ(PaymentHandlerStatus::SUCCESS, status);
+  ASSERT_EQ(3U, keys.size());
+
+  status = PaymentHandlerStatus::NOT_FOUND;
+  ClearPaymentInstruments(&status);
+  ASSERT_EQ(PaymentHandlerStatus::SUCCESS, status);
+
+  status = PaymentHandlerStatus::NOT_FOUND;
+  KeysOfPaymentInstruments(&keys, &status);
+  ASSERT_EQ(PaymentHandlerStatus::SUCCESS, status);
+  ASSERT_EQ(0U, keys.size());
+}
+
 }  // namespace content