[Payments] Add CanMakePayment metrics.

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

Index: chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestJourneyLoggerUnitTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestJourneyLoggerUnitTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestJourneyLoggerUnitTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..9cf6fd3aa61728d28142529695d0097511c11286
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/payments/PaymentRequestJourneyLoggerUnitTest.java
@@ -0,0 +1,335 @@
+// Copyright 2017 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.support.test.filters.SmallTest;
+
+import org.chromium.base.metrics.RecordHistogram;
+import org.chromium.base.test.util.Feature;
+import org.chromium.chrome.test.util.ApplicationData;
+import org.chromium.content.browser.test.NativeLibraryTestBase;
+
+/**
+ * Tests for the PaymentRequestJourneyLogger class.
+ */
+public class PaymentRequestJourneyLoggerUnitTest extends NativeLibraryTestBase {
+    @Override
+    public void setUp() throws Exception {
+        super.setUp();
+        ApplicationData.clearAppData(getInstrumentation().getTargetContext());
+        loadNativeLibraryAndInitBrowserProcess();
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant does not use it and does not
+     * show the PaymentRequest to the user.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentNotCalled_NoShow() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        logger.recordJourneyStatsHistograms("");
+
+        // CanMakePayment was not used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_NOT_USED));
+
+        // There should be no completion stats since PR was not shown to the user
+        assertEquals(0, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_ABORTED));
+        assertEquals(0, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_COMPLETED));
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant does not use it and the
+     * transaction is aborted.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentNotCalled_ShowAndAbort() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The merchant does not query CanMakePayment, show the PaymentRequest and the user
+        // aborts it.
+        logger.setShowCalled();
+        logger.recordJourneyStatsHistograms("Aborted");
+
+        // CanMakePayment was not used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_NOT_USED));
+
+        // There should be a record for an abort when CanMakePayment is not used but the PR is shown
+        // to the user.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_ABORTED));
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant does not use it and the
+     * transaction is completed.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentNotCalled_ShowAndComplete() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The merchant does not query CanMakePayment, show the PaymentRequest and the user
+        // completes it.
+        logger.setShowCalled();
+        logger.recordJourneyStatsHistograms("Completed");
+
+        // CanMakePayment was not used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_NOT_USED));
+
+        // There should be a record for a completion when CanMakePayment is not used but the PR is
+        // shown to the user.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_COMPLETED));
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant uses it, returns false and
+     * show is not called.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentCalled_FalseAndNoShow() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The user cannot make payment and the PaymentRequest is not shown.
+        logger.setCanMakePaymentValue(false);
+        logger.recordJourneyStatsHistograms("");
+
+        // CanMakePayment was used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_USED));
+
+        // The CanMakePayment effect on show should be recorded as being false and not shown.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Used.EffetOnShow",
+                                PaymentRequestJourneyLogger
+                                        .CMP_SHOW_COULD_NOT_MAKE_PAYMENT_AND_DID_NOT_SHOW));
+
+        // There should be no completion stats since PR was not shown to the user.
+        assertEquals(0, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_ABORTED));
+        assertEquals(0, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_COMPLETED));
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant uses it, returns true and
+     * show is not called.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentCalled_TrueAndNoShow() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The user can make a payment but the Payment Request is not shown.
+        logger.setCanMakePaymentValue(true);
+        logger.recordJourneyStatsHistograms("");
+
+        // CanMakePayment was used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_USED));
+
+        // The CanMakePayment effect on show should be recorded as being true and not shown.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Used.EffetOnShow",
+                                PaymentRequestJourneyLogger.CMP_SHOW_COULD_MAKE_PAYMENT));
+
+        // There should be no completion stats since PR was not shown to the user.
+        assertEquals(0, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_ABORTED));
+        assertEquals(0, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_COMPLETED));
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant uses it, returns false, show
+     * is called but the transaction is aborted.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentCalled_FalseShowAndAbort() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The user cannot make a payment. the payment request is shown but aborted.
+        logger.setShowCalled();
+        logger.setCanMakePaymentValue(false);
+        logger.recordJourneyStatsHistograms("Aborted");
+
+        // CanMakePayment was used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_USED));
+
+        // The CanMakePayment effect on show should be recorded as being true and not shown.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Used.EffetOnShow",
+                                PaymentRequestJourneyLogger.CMP_SHOW_DID_SHOW));
+
+        // There should be a record for an abort when CanMakePayment is false but the PR is shown to
+        // the user.
+        assertEquals(
+                1, RecordHistogram.getHistogramValueCountForTesting(
+                           "PaymentRequest.CanMakePayment.Used.FalseWithShowEffectOnCompletion",
+                           PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_ABORTED));
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant uses it, returns false,
+     * show is called and the transaction is completed.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentCalled_FalseShowAndComplete() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The user cannot make a payment. the payment request is shown and completed.
+        logger.setShowCalled();
+        logger.setCanMakePaymentValue(false);
+        logger.recordJourneyStatsHistograms("Completed");
+
+        // CanMakePayment was used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_USED));
+
+        // The CanMakePayment effect on show should be recorded as being true and not shown.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Used.EffetOnShow",
+                                PaymentRequestJourneyLogger.CMP_SHOW_DID_SHOW));
+
+        // There should be a record for a completion when CanMakePayment is false and the PR is
+        // shown to the user.
+        assertEquals(
+                1, RecordHistogram.getHistogramValueCountForTesting(
+                           "PaymentRequest.CanMakePayment.Used.FalseWithShowEffectOnCompletion",
+                           PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_COMPLETED));
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant uses it, returns true, show
+     * is called but the transaction is aborted.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentCalled_TrueShowAndAbort() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The user cannot make a payment. the payment request is shown and completed.
+        logger.setShowCalled();
+        logger.setCanMakePaymentValue(true);
+        logger.recordJourneyStatsHistograms("Aborted");
+
+        // CanMakePayment was used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_USED));
+
+        // The CanMakePayment effect on show should be recorded as being true and not shown.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Used.EffetOnShow",
+                                PaymentRequestJourneyLogger.CMP_SHOW_DID_SHOW
+                                        | PaymentRequestJourneyLogger.CMP_SHOW_COULD_MAKE_PAYMENT));
+
+        // There should be a record for an abort when CanMakePayment is true and the PR is shown to
+        // the user.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Used.TrueWithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_ABORTED));
+    }
+
+    /**
+     * Tests the canMakePayment stats for the case where the merchant uses it, returns true, show
+     * is called and the transaction is completed.
+     */
+    @SmallTest
+    @Feature({"Payments"})
+    public void testRecordJourneyStatsHistograms_CanMakePaymentCalled_TrueShowAndComplete() {
+        PaymentRequestJourneyLogger logger = new PaymentRequestJourneyLogger();
+        assertNoLogForCanMakePayment();
+
+        // The user cannot make a payment. the payment request is shown and completed.
+        logger.setShowCalled();
+        logger.setCanMakePaymentValue(true);
+        logger.recordJourneyStatsHistograms("Completed");
+
+        // CanMakePayment was used.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Usage",
+                                PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_USED));
+
+        // The CanMakePayment effect on show should be recorded as being true and not shown.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Used.EffetOnShow",
+                                PaymentRequestJourneyLogger.CMP_SHOW_DID_SHOW
+                                        | PaymentRequestJourneyLogger.CMP_SHOW_COULD_MAKE_PAYMENT));
+
+        // There should be a record for a completion when CanMakePayment is true and the PR is shown
+        // to the user.
+        assertEquals(1, RecordHistogram.getHistogramValueCountForTesting(
+                                "PaymentRequest.CanMakePayment.Used.TrueWithShowEffectOnCompletion",
+                                PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_COMPLETED));
+    }
+
+    /**
+     * Asserts that no histogram is logged.
+     */
+    private void assertNoLogForCanMakePayment() {
+        // Use stats.
+        for (int i = 0; i < PaymentRequestJourneyLogger.CAN_MAKE_PAYMENT_USE_MAX; ++i) {
+            assertEquals(0, RecordHistogram.getHistogramValueCountForTesting(
+                                    "PaymentRequest.CanMakePayment.Usage", i));
+        }
+
+        // Effect on show stats.
+        for (int i = 0; i < PaymentRequestJourneyLogger.CMP_SHOW_MAX; ++i) {
+            assertEquals(0, RecordHistogram.getHistogramValueCountForTesting(
+                                    "PaymentRequest.CanMakePayment.Used.EffetOnShow", i));
+        }
+
+        // Effect on completion stats.
+        for (int i = 0; i < PaymentRequestJourneyLogger.CMP_EFFECT_ON_COMPLETION_MAX; ++i) {
+            assertEquals(0,
+                    RecordHistogram.getHistogramValueCountForTesting(
+                            "PaymentRequest.CanMakePayment.NotUsed.WithShowEffectOnCompletion", i));
+            assertEquals(
+                    0, RecordHistogram.getHistogramValueCountForTesting(
+                               "PaymentRequest.CanMakePayment.Used.TrueWithShowEffectOnCompletion",
+                               i));
+            assertEquals(
+                    0, RecordHistogram.getHistogramValueCountForTesting(
+                               "PaymentRequest.CanMakePayment.Used.FalseWithShowEffectOnCompletion",
+                               i));
+        }
+    }
+}