diff options
Diffstat (limited to 'tests/UpdatableSystemFontTest/src/com/android/updatablesystemfont/UpdatableSystemFontTest.java')
| -rw-r--r-- | tests/UpdatableSystemFontTest/src/com/android/updatablesystemfont/UpdatableSystemFontTest.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/tests/UpdatableSystemFontTest/src/com/android/updatablesystemfont/UpdatableSystemFontTest.java b/tests/UpdatableSystemFontTest/src/com/android/updatablesystemfont/UpdatableSystemFontTest.java new file mode 100644 index 000000000000..6d161a5d7b3a --- /dev/null +++ b/tests/UpdatableSystemFontTest/src/com/android/updatablesystemfont/UpdatableSystemFontTest.java @@ -0,0 +1,156 @@ +/* + * Copyright (C) 2021 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.updatablesystemfont; + +import static com.google.common.truth.Truth.assertThat; +import static com.google.common.truth.Truth.assertWithMessage; + +import android.platform.test.annotations.RootPermissionTest; + +import com.android.fsverity.AddFsVerityCertRule; +import com.android.tradefed.log.LogUtil.CLog; +import com.android.tradefed.testtype.DeviceJUnit4ClassRunner; +import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test; +import com.android.tradefed.util.CommandResult; +import com.android.tradefed.util.CommandStatus; + +import org.junit.After; +import org.junit.Before; +import org.junit.Rule; +import org.junit.Test; +import org.junit.runner.RunWith; + +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +/** + * Tests if fonts can be updated by 'cmd font'. + */ +@RootPermissionTest +@RunWith(DeviceJUnit4ClassRunner.class) +public class UpdatableSystemFontTest extends BaseHostJUnit4Test { + + private static final String CERT_PATH = "/data/local/tmp/UpdatableSystemFontTestCert.der"; + + private static final Pattern PATTERN_FONT = Pattern.compile("path = ([^, \n]*)"); + private static final String NOTO_COLOR_EMOJI_TTF = "NotoColorEmoji.ttf"; + private static final String TEST_NOTO_COLOR_EMOJI_V1_TTF = + "/data/local/tmp/UpdatableSystemFontTestNotoColorEmojiV1.ttf"; + private static final String TEST_NOTO_COLOR_EMOJI_V1_TTF_FSV_SIG = + "/data/local/tmp/UpdatableSystemFontTestNotoColorEmojiV1.ttf.fsv_sig"; + private static final String TEST_NOTO_COLOR_EMOJI_V2_TTF = + "/data/local/tmp/UpdatableSystemFontTestNotoColorEmojiV2.ttf"; + private static final String TEST_NOTO_COLOR_EMOJI_V2_TTF_FSV_SIG = + "/data/local/tmp/UpdatableSystemFontTestNotoColorEmojiV2.ttf.fsv_sig"; + private static final String ORIGINAL_NOTO_COLOR_EMOJI_TTF = + "/data/local/tmp/NotoColorEmoji.ttf"; + private static final String ORIGINAL_NOTO_COLOR_EMOJI_TTF_FSV_SIG = + "/data/local/tmp/UpdatableSystemFontTestNotoColorEmoji.ttf.fsv_sig"; + + @Rule + public final AddFsVerityCertRule mAddFsverityCertRule = + new AddFsVerityCertRule(this, CERT_PATH); + + @Before + public void setUp() throws Exception { + expectRemoteCommandToSucceed("cmd font clear"); + } + + @After + public void tearDown() throws Exception { + expectRemoteCommandToSucceed("cmd font clear"); + } + + @Test + public void updateFont() throws Exception { + expectRemoteCommandToSucceed(String.format("cmd font update %s %s", + TEST_NOTO_COLOR_EMOJI_V1_TTF, TEST_NOTO_COLOR_EMOJI_V1_TTF_FSV_SIG)); + String fontPath = getFontPath(NOTO_COLOR_EMOJI_TTF); + assertThat(fontPath).startsWith("/data/fonts/files/"); + } + + @Test + public void updateFont_twice() throws Exception { + expectRemoteCommandToSucceed(String.format("cmd font update %s %s", + TEST_NOTO_COLOR_EMOJI_V1_TTF, TEST_NOTO_COLOR_EMOJI_V1_TTF_FSV_SIG)); + String fontPath = getFontPath(NOTO_COLOR_EMOJI_TTF); + expectRemoteCommandToSucceed(String.format("cmd font update %s %s", + TEST_NOTO_COLOR_EMOJI_V2_TTF, TEST_NOTO_COLOR_EMOJI_V2_TTF_FSV_SIG)); + String fontPath2 = getFontPath(NOTO_COLOR_EMOJI_TTF); + assertThat(fontPath2).startsWith("/data/fonts/files/"); + assertThat(fontPath2).isNotEqualTo(fontPath); + } + + @Test + public void updatedFont_dataFileIsImmutableAndReadable() throws Exception { + expectRemoteCommandToSucceed(String.format("cmd font update %s %s", + TEST_NOTO_COLOR_EMOJI_V1_TTF, TEST_NOTO_COLOR_EMOJI_V1_TTF_FSV_SIG)); + String fontPath = getFontPath(NOTO_COLOR_EMOJI_TTF); + assertThat(fontPath).startsWith("/data"); + + expectRemoteCommandToFail("echo -n '' >> " + fontPath); + expectRemoteCommandToSucceed("cat " + fontPath + " > /dev/null"); + } + + @Test + public void updateFont_invalidCert() throws Exception { + expectRemoteCommandToFail(String.format("cmd font update %s %s", + TEST_NOTO_COLOR_EMOJI_V1_TTF, TEST_NOTO_COLOR_EMOJI_V2_TTF_FSV_SIG)); + } + + @Test + public void updateFont_downgradeFromSystem() throws Exception { + expectRemoteCommandToFail(String.format("cmd font update %s %s", + ORIGINAL_NOTO_COLOR_EMOJI_TTF, ORIGINAL_NOTO_COLOR_EMOJI_TTF_FSV_SIG)); + } + + @Test + public void updateFont_downgradeFromData() throws Exception { + expectRemoteCommandToSucceed(String.format("cmd font update %s %s", + TEST_NOTO_COLOR_EMOJI_V2_TTF, TEST_NOTO_COLOR_EMOJI_V2_TTF_FSV_SIG)); + expectRemoteCommandToFail(String.format("cmd font update %s %s", + TEST_NOTO_COLOR_EMOJI_V1_TTF, TEST_NOTO_COLOR_EMOJI_V1_TTF_FSV_SIG)); + } + + private String getFontPath(String fontFileName) throws Exception { + // TODO: add a dedicated command for testing. + String lines = expectRemoteCommandToSucceed("cmd font dump"); + for (String line : lines.split("\n")) { + Matcher m = PATTERN_FONT.matcher(line); + if (m.find() && m.group(1).endsWith(fontFileName)) { + return m.group(1); + } + } + CLog.e("Font not found: " + fontFileName); + return null; + } + + private String expectRemoteCommandToSucceed(String cmd) throws Exception { + CommandResult result = getDevice().executeShellV2Command(cmd); + assertWithMessage("`" + cmd + "` failed: " + result.getStderr()) + .that(result.getStatus()) + .isEqualTo(CommandStatus.SUCCESS); + return result.getStdout(); + } + + private void expectRemoteCommandToFail(String cmd) throws Exception { + CommandResult result = getDevice().executeShellV2Command(cmd); + assertWithMessage("Unexpected success from `" + cmd + "`: " + result.getStderr()) + .that(result.getStatus()) + .isNotEqualTo(CommandStatus.SUCCESS); + } +} |