[Payments] Dedupe subsets in contact detail suggestions.

chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestNameTest.java

 // 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.
 
 package org.chromium.chrome.browser.payments;
 
 import android.content.DialogInterface;
 import android.test.suitebuilder.annotation.MediumTest;
 
 import org.chromium.base.metrics.RecordHistogram;
@@ skipping 20 matching lines @@
     public void onMainActivityStarted()
             throws InterruptedException, ExecutionException, TimeoutException {
         AutofillTestHelper helper = new AutofillTestHelper();
         // The user has a valid payer name on disk.
         String billingAddressId = helper.setProfile(new AutofillProfile("", "https://example.com",
                 true, "Jon Doe", "Google", "340 Main St", "CA", "Los Angeles", "", "90291", "",
                 "US", "555-555-5555", "jon.doe@google.com", "en-US"));
         helper.setCreditCard(new CreditCard("", "https://example.com", true, true, "Jon Doe",
                 "4111111111111111", "1111", "12", "2050", "visa", R.drawable.pr_visa,
                 billingAddressId, "" /* serverId */));
+
+        // Add the same profile but with a different address.
+        helper.setProfile(new AutofillProfile("", "https://example.com", true, "", "Google",
+                "999 Main St", "CA", "Los Angeles", "", "90291", "", "US", "555-555-5555",
+                "jon.doe@google.com", "en-US"));
+
+        // Add the same profile but without a phone number.
+        helper.setProfile(new AutofillProfile("", "https://example.com", true, "Jon Doe", "Google",
+                "340 Main St", "CA", "Los Angeles", "", "90291", "", "US", "", "jon.doe@google.com",
+                "en-US"));
+
+        // Add the same profile but without an email.
+        helper.setProfile(new AutofillProfile("", "https://example.com", true, "Jon Doe", "Google",
+                "340 Main St", "CA", "Los Angeles", "", "90291", "", "US", "555-555-5555", "",
+                "en-US"));
+
+        // Add the same profile but without a name.
+        helper.setProfile(new AutofillProfile("", "https://example.com", true, "", "Google",
+                "340 Main St", "CA", "Los Angeles", "", "90291", "", "US", "555-555-5555",
+                "jon.doe@google.com", "en-US"));
     }
 
     /** Provide the existing valid payer name to the merchant. */
     @MediumTest
     @Feature({"Payments"})
     public void testPay() throws InterruptedException, ExecutionException, TimeoutException {
         triggerUIAndWait(mReadyToPay);
         clickAndWait(R.id.button_primary, mReadyForUnmaskInput);
         setTextInCardUnmaskDialogAndWait(R.id.card_unmask_input, "123", mReadyToUnmask);
         clickCardUnmaskButtonAndWait(DialogInterface.BUTTON_POSITIVE, mDismissed);
@@ skipping 26 matching lines @@
         clickInContactInfoAndWait(R.id.payments_add_option_button, mReadyToEdit);
         setTextInEditorAndWait(new String[] {"Jane Jones"}, mEditorTextUpdate);
         clickInEditorAndWait(R.id.payments_edit_done_button, mReadyToPay);
         clickAndWait(R.id.button_primary, mReadyForUnmaskInput);
         setTextInCardUnmaskDialogAndWait(R.id.card_unmask_input, "123", mReadyToUnmask);
         clickCardUnmaskButtonAndWait(DialogInterface.BUTTON_POSITIVE, mDismissed);
         expectResultContains(new String[] {"Jane Jones"});
     }
 
     /**
+     * Makes sure that suggestions that are equal to or subsets of other suggestions are not shown
+     * to the user.
+     */
+    @MediumTest
+    @Feature({"Payments"})
+    public void testSuggestionsDeduped()
+            throws InterruptedException, ExecutionException, TimeoutException {
+        triggerUIAndWait(mReadyToPay);
+        clickInContactInfoAndWait(R.id.payments_section, mReadyForInput);
+        assertEquals(1, getNumberOfContactDetailSuggestions());
+    }
+
+    /**
      * Test that starting a payment request that requires only the user's payer name results in
      * the appropriate metric being logged in the PaymentRequest.RequestedInformation histogram.
      */
     @MediumTest
     @Feature({"Payments"})
     public void testRequestedInformationMetric() throws InterruptedException, ExecutionException,
             TimeoutException {
         // Start the Payment Request.
         triggerUIAndWait(mReadyToPay);
 
         // Make sure that only the appropriate enum value was logged.
         for (int i = 0; i < PaymentRequestMetrics.REQUESTED_INFORMATION_MAX; ++i) {
             assertEquals((i == PaymentRequestMetrics.REQUESTED_INFORMATION_NAME ? 1 : 0),
                     RecordHistogram.getHistogramValueCountForTesting(
                             "PaymentRequest.RequestedInformation", i));
         }
     }
 }