Remove unused ManifestUpgradeDetectorTest

chrome/android/junit/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorTest.java

Index: chrome/android/junit/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorTest.java
diff --git a/chrome/android/junit/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorTest.java b/chrome/android/junit/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorTest.java
deleted file mode 100644
index a580c4726a507879aef469b891f340abd291986c..0000000000000000000000000000000000000000
--- a/chrome/android/junit/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetectorTest.java
+++ /dev/null
@@ -1,353 +0,0 @@
-// 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.webapps;
-
-import android.content.Context;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.Color;
-import android.os.Bundle;
-import android.text.TextUtils;
-
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
-import org.robolectric.res.builder.RobolectricPackageManager;
-import org.robolectric.shadows.ShadowBitmap;
-
-import org.chromium.base.ContextUtils;
-import org.chromium.blink_public.platform.WebDisplayMode;
-import org.chromium.chrome.browser.ShortcutHelper;
-import org.chromium.chrome.browser.tab.Tab;
-import org.chromium.content_public.common.ScreenOrientationValues;
-import org.chromium.testing.local.LocalRobolectricTestRunner;
-import org.chromium.webapk.lib.common.WebApkMetaDataKeys;
-import org.chromium.webapk.test.WebApkTestHelper;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Tests the ManifestUpgradeDetector.
- */
-@RunWith(LocalRobolectricTestRunner.class)
-@Config(manifest = Config.NONE)
-public class ManifestUpgradeDetectorTest {
-
-    private static final String WEBAPK_START_URL = "/start_url.html";
-    private static final String WEBAPK_SCOPE_URL = "/";
-    private static final String WEBAPK_NAME = "Long Name";
-    private static final String WEBAPK_SHORT_NAME = "Short Name";
-    private static final String WEBAPK_BEST_ICON_URL = "/icon.png";
-    private static final String WEBAPK_BEST_ICON_MURMUR2_HASH = "3";
-    private static final int WEBAPK_DISPLAY_MODE = WebDisplayMode.Undefined;
-    private static final int WEBAPK_ORIENTATION = ScreenOrientationValues.DEFAULT;
-    private static final long WEBAPK_THEME_COLOR = 1L;
-    private static final long WEBAPK_BACKGROUND_COLOR = 2L;
-    private static final String WEBAPK_MANIFEST_URL = "manifest.json";
-    private static final String WEBAPK_PACKAGE_NAME = "package_name";
-
-    private RobolectricPackageManager mPackageManager;
-
-    private static class TestCallback implements ManifestUpgradeDetector.Callback {
-        public boolean mIsUpgraded;
-        public boolean mWasCalled;
-        @Override
-        public void onFinishedFetchingWebManifestForInitialUrl(
-                boolean needsUpgrade, WebApkInfo info, String bestIconUrl) {}
-        @Override
-        public void onGotManifestData(boolean isUpgraded, WebApkInfo info, String bestIconUrl) {
-            mIsUpgraded = isUpgraded;
-            mWasCalled = true;
-        }
-    }
-
-    private static class ManifestData {
-        public String startUrl;
-        public String scopeUrl;
-        public String name;
-        public String shortName;
-        public Map<String, String> iconUrlToMurmur2HashMap;
-        public String bestIconUrl;
-        public Bitmap bestIcon;
-        public int displayMode;
-        public int orientation;
-        public long themeColor;
-        public long backgroundColor;
-    }
-
-    /**
-     * ManifestUpgradeDetectorFetcher subclass which:
-     * - Does not use native.
-     * - Which returns the "Downloaded Manifest Data" passed to the constructor when
-     *   {@link #start()} is called.
-     */
-    private static class TestManifestUpgradeDetectorFetcher extends ManifestUpgradeDetectorFetcher {
-        ManifestData mFetchedManifestData;
-
-        public TestManifestUpgradeDetectorFetcher(ManifestData fetchedManifestData) {
-            mFetchedManifestData = fetchedManifestData;
-        }
-
-        @Override
-        public boolean start(Tab tab, WebApkInfo oldInfo, Callback callback) {
-            callback.onGotManifestData(
-                    infoFromManifestData(mFetchedManifestData), mFetchedManifestData.bestIconUrl);
-            return true;
-        }
-
-        @Override
-        public void destroy() {
-            // Do nothing.
-        }
-    }
-
-    /**
-     * ManifestUpgradeDetector subclass which:
-     * - Uses mock ManifestUpgradeDetectorFetcher.
-     * - Uses {@link fetchedData} passed into the constructor as the "Downloaded Manifest Data".
-     * - Tracks whether an upgraded WebAPK was requested.
-     * - Tracks whether "upgrade needed checking logic" has terminated.
-     */
-    private static class TestManifestUpgradeDetector extends ManifestUpgradeDetector {
-        private ManifestData mFetchedData;
-
-        public TestManifestUpgradeDetector(WebApkInfo info, ManifestData fetchedData,
-                ManifestUpgradeDetector.Callback callback) {
-            super(null, info, callback);
-            mFetchedData = fetchedData;
-        }
-
-        @Override
-        public ManifestUpgradeDetectorFetcher createFetcher() {
-            return new TestManifestUpgradeDetectorFetcher(mFetchedData);
-        }
-
-        // Stubbed out because real implementation uses native.
-        @Override
-        protected boolean urlsMatchIgnoringFragments(String url1, String url2) {
-            return TextUtils.equals(url1, url2);
-        }
-    }
-
-    /**
-     * Creates 1x1 bitmap.
-     * @param color The bitmap color.
-     */
-    private static Bitmap createBitmap(int color) {
-        int colors[] = { color };
-        return ShadowBitmap.createBitmap(colors, 1, 1, Bitmap.Config.ALPHA_8);
-    }
-
-    @Before
-    public void setUp() {
-        Context context = RuntimeEnvironment.application;
-        ContextUtils.initApplicationContextForTests(context);
-        mPackageManager = (RobolectricPackageManager) context.getPackageManager();
-    }
-
-    private static ManifestData defaultManifestData() {
-        ManifestData manifestData = new ManifestData();
-        manifestData.startUrl = WEBAPK_START_URL;
-        manifestData.scopeUrl = WEBAPK_SCOPE_URL;
-        manifestData.name = WEBAPK_NAME;
-        manifestData.shortName = WEBAPK_SHORT_NAME;
-
-        manifestData.iconUrlToMurmur2HashMap = new HashMap<String, String>();
-        manifestData.iconUrlToMurmur2HashMap.put(
-                WEBAPK_BEST_ICON_URL, WEBAPK_BEST_ICON_MURMUR2_HASH);
-
-        manifestData.bestIconUrl = WEBAPK_BEST_ICON_URL;
-        manifestData.bestIcon = createBitmap(Color.GREEN);
-        manifestData.displayMode = WEBAPK_DISPLAY_MODE;
-        manifestData.orientation = WEBAPK_ORIENTATION;
-        manifestData.themeColor = WEBAPK_THEME_COLOR;
-        manifestData.backgroundColor = WEBAPK_BACKGROUND_COLOR;
-        return manifestData;
-    }
-
-    private static WebApkInfo infoFromManifestData(ManifestData manifestData) {
-        return WebApkInfo.create("", "", manifestData.scopeUrl,
-                new WebApkInfo.Icon(manifestData.bestIcon), manifestData.name,
-                manifestData.shortName, manifestData.displayMode, manifestData.orientation, -1,
-                manifestData.themeColor, manifestData.backgroundColor, WEBAPK_PACKAGE_NAME, -1,
-                WEBAPK_MANIFEST_URL, manifestData.startUrl, manifestData.iconUrlToMurmur2HashMap);
-    }
-
-    /**
-     * Checks whether the WebAPK is updated given data from the WebAPK's Android Manifest and data
-     * from the fetched Web Manifest. This function uses the intent version of
-     * {@link WebApkInfo#create()} in order to test default values set by the intent version of
-     * {@link WebApkInfo#create()} and how the defaults affect whether the WebAPK is updated.
-     */
-    private boolean checkUpdateNeededForFetchedManifest(
-            ManifestData androidManifestData, ManifestData fetchedManifestData) {
-        registerWebApk(androidManifestData);
-
-        Intent intent = new Intent();
-        intent.putExtra(ShortcutHelper.EXTRA_URL, "");
-        intent.putExtra(
-                ShortcutHelper.EXTRA_WEBAPK_PACKAGE_NAME, WebApkTestHelper.WEBAPK_PACKAGE_NAME);
-        WebApkInfo androidManifestInfo = WebApkInfo.create(intent);
-
-        TestCallback callback = new TestCallback();
-        TestManifestUpgradeDetector detector =
-                new TestManifestUpgradeDetector(androidManifestInfo, fetchedManifestData, callback);
-        detector.start();
-        Assert.assertTrue(callback.mWasCalled);
-        return callback.mIsUpgraded;
-    }
-
-    /**
-     * Registers WebAPK with default package name. Overwrites previous registrations.
-     * @param manifestData <meta-data> values for WebAPK's Android Manifest.
-     */
-    private void registerWebApk(ManifestData manifestData) {
-        Bundle metaData = new Bundle();
-        metaData.putString(WebApkMetaDataKeys.START_URL, manifestData.startUrl);
-        metaData.putString(WebApkMetaDataKeys.SCOPE, manifestData.scopeUrl);
-        metaData.putString(WebApkMetaDataKeys.NAME, manifestData.name);
-        metaData.putString(WebApkMetaDataKeys.SHORT_NAME, manifestData.shortName);
-        metaData.putString(WebApkMetaDataKeys.THEME_COLOR, manifestData.themeColor + "L");
-        metaData.putString(WebApkMetaDataKeys.BACKGROUND_COLOR, manifestData.backgroundColor + "L");
-        metaData.putString(WebApkMetaDataKeys.WEB_MANIFEST_URL, WEBAPK_MANIFEST_URL);
-
-        String iconUrlsAndIconMurmur2Hashes = "";
-        for (String iconUrl : manifestData.iconUrlToMurmur2HashMap.keySet()) {
-            String murmur2Hash = manifestData.iconUrlToMurmur2HashMap.get(iconUrl);
-            if (murmur2Hash == null) {
-                murmur2Hash = "0";
-            }
-            iconUrlsAndIconMurmur2Hashes += " " + iconUrl + " " + murmur2Hash;
-        }
-        iconUrlsAndIconMurmur2Hashes = iconUrlsAndIconMurmur2Hashes.trim();
-        metaData.putString(WebApkMetaDataKeys.ICON_URLS_AND_ICON_MURMUR2_HASHES,
-                iconUrlsAndIconMurmur2Hashes);
-        WebApkTestHelper.registerWebApkWithMetaData(metaData);
-    }
-
-    @Test
-    public void testManifestDoesNotUpgrade() {
-        Assert.assertFalse(
-                checkUpdateNeededForFetchedManifest(defaultManifestData(), defaultManifestData()));
-    }
-
-    @Test
-    public void testStartUrlChangeShouldUpgrade() {
-        ManifestData fetchedData = defaultManifestData();
-        fetchedData.startUrl = "/changed.html";
-        Assert.assertTrue(checkUpdateNeededForFetchedManifest(defaultManifestData(), fetchedData));
-    }
-
-    /**
-     * Test that an upgrade is not requested when the Web Manifest did not change and the Web
-     * Manifest scope is empty.
-     */
-    @Test
-    public void testManifestEmptyScopeShouldNotUpgrade() {
-        ManifestData oldData = defaultManifestData();
-        // webapk_installer.cc sets the scope to the default scope if the scope is empty.
-        oldData.scopeUrl = ShortcutHelper.getScopeFromUrl(oldData.startUrl);
-        ManifestData fetchedData = defaultManifestData();
-        fetchedData.scopeUrl = "";
-        Assert.assertTrue(!oldData.scopeUrl.equals(fetchedData.scopeUrl));
-        Assert.assertFalse(checkUpdateNeededForFetchedManifest(oldData, fetchedData));
-    }
-
-    /**
-     * Test that an upgrade is requested when the Web Manifest is updated from using a non-empty
-     * scope to an empty scope.
-     */
-    @Test
-    public void testManifestNonEmptyScopeToEmptyScopeShouldUpgrade() {
-        ManifestData oldData = defaultManifestData();
-        oldData.startUrl = "/fancy/scope/special/snowflake.html";
-        oldData.scopeUrl = "/fancy/scope/";
-        Assert.assertTrue(
-                !oldData.scopeUrl.equals(ShortcutHelper.getScopeFromUrl(oldData.startUrl)));
-        ManifestData fetchedData = defaultManifestData();
-        fetchedData.startUrl = "/fancy/scope/special/snowflake.html";
-        fetchedData.scopeUrl = "";
-
-        Assert.assertTrue(checkUpdateNeededForFetchedManifest(oldData, fetchedData));
-    }
-
-    /**
-     * Test that an upgrade is requested when:
-     * - WebAPK was generated using icon at {@link WEBAPK_BEST_ICON_URL} from Web Manifest.
-     * - Bitmap at {@link WEBAPK_BEST_ICON_URL} has changed.
-     */
-    @Test
-    public void testHomescreenIconChangeShouldUpgrade() {
-        ManifestData fetchedData = defaultManifestData();
-        fetchedData.iconUrlToMurmur2HashMap.put(fetchedData.bestIconUrl,
-                WEBAPK_BEST_ICON_MURMUR2_HASH + "1");
-        fetchedData.bestIcon = createBitmap(Color.BLUE);
-        Assert.assertTrue(checkUpdateNeededForFetchedManifest(defaultManifestData(), fetchedData));
-    }
-
-    /**
-     * Test that an upgrade is requested when:
-     * - WebAPK is generated using icon at {@link WEBAPK_BEST_ICON_URL} from Web Manifest.
-     * - Web Manifest is updated to refer to different icon.
-     */
-    @Test
-    public void testHomescreenBestIconUrlChangeShouldUpgrade() {
-        ManifestData fetchedData = defaultManifestData();
-        fetchedData.iconUrlToMurmur2HashMap.clear();
-        fetchedData.iconUrlToMurmur2HashMap.put("/icon2.png", "22");
-        fetchedData.bestIconUrl = "/icon2.png";
-        Assert.assertTrue(checkUpdateNeededForFetchedManifest(defaultManifestData(), fetchedData));
-    }
-
-    /**
-     * Test that an upgrade is not requested if:
-     * - icon URL is added to the Web Manifest
-     * AND
-     * - "best" icon URL for the launcher icon did not change.
-     */
-    @Test
-    public void testIconUrlsChangeShouldNotUpgradeIfTheBestIconUrlDoesNotChange() {
-        ManifestData fetchedData = defaultManifestData();
-        fetchedData.iconUrlToMurmur2HashMap.clear();
-        fetchedData.iconUrlToMurmur2HashMap.put(
-                WEBAPK_BEST_ICON_URL, WEBAPK_BEST_ICON_MURMUR2_HASH);
-        fetchedData.iconUrlToMurmur2HashMap.put("/icon2.png", null);
-        Assert.assertFalse(checkUpdateNeededForFetchedManifest(defaultManifestData(), fetchedData));
-    }
-
-    /**
-     * Test than upgrade is requested if:
-     * - the WebAPK's meta data has murmur2 hashes for all of the icons.
-     * AND
-     * - the Web Manifest has not changed
-     * AND
-     * - the computed best icon URL is different from the one stored in the WebAPK's meta data.
-     */
-    @Test
-    public void testWebManifestSameButBestIconUrlChangedShouldNotUpgrade() {
-        String iconUrl1 = "/icon1.png";
-        String iconUrl2 = "/icon2.png";
-        String hash1 = "11";
-        String hash2 = "22";
-
-        ManifestData oldData = defaultManifestData();
-        oldData.bestIconUrl = iconUrl1;
-        oldData.iconUrlToMurmur2HashMap.clear();
-        oldData.iconUrlToMurmur2HashMap.put(iconUrl1, hash1);
-        oldData.iconUrlToMurmur2HashMap.put(iconUrl2, hash2);
-
-        ManifestData fetchedData = defaultManifestData();
-        fetchedData.bestIconUrl = iconUrl2;
-        fetchedData.iconUrlToMurmur2HashMap.clear();
-        fetchedData.iconUrlToMurmur2HashMap.put(iconUrl1, null);
-        fetchedData.iconUrlToMurmur2HashMap.put(iconUrl2, hash2);
-
-        Assert.assertFalse(checkUpdateNeededForFetchedManifest(oldData, fetchedData));
-    }
-}