1 files changed, 89 insertions, 0 deletions
diff --git a/tests/DsuTestBase.java b/tests/DsuTestBase.java
new file mode 100644
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--- /dev/null
+++ b/tests/DsuTestBase.java
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+/*
+ * Copyright (C) 2022 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.tests.dsu;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import com.android.tradefed.config.Option;
+import com.android.tradefed.device.DeviceNotAvailableException;
+import com.android.tradefed.log.LogUtil.CLog;
+import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
+import com.android.tradefed.util.CommandResult;
+import com.android.tradefed.util.CommandStatus;
+
+abstract class DsuTestBase extends BaseHostJUnit4Test {
+    @Option(
+            name = "dsu-userdata-size-in-gb",
+            description = "Userdata partition size of the DSU installation")
+    private long mDsuUserdataSizeInGb;
+
+    protected long getDsuUserdataSize(long defaultValue) {
+        return mDsuUserdataSizeInGb > 0 ? mDsuUserdataSizeInGb << 30 : defaultValue;
+    }
+
+    public CommandResult assertShellCommand(String command) throws DeviceNotAvailableException {
+        CommandResult result = getDevice().executeShellV2Command(command);
+        assertEquals(
+                String.format("'%s' status", command), CommandStatus.SUCCESS, result.getStatus());
+        assertNotNull(String.format("'%s' exit code", command), result.getExitCode());
+        assertEquals(String.format("'%s' exit code", command), 0, result.getExitCode().intValue());
+        return result;
+    }
+
+    private String getDsuStatus() throws DeviceNotAvailableException {
+        CommandResult result;
+        try {
+            result = assertShellCommand("gsi_tool status");
+        } catch (AssertionError e) {
+            CLog.e(e);
+            return null;
+        }
+        return result.getStdout().split("\n", 2)[0].trim();
+    }
+
+    public void assertDsuStatus(String expected) throws DeviceNotAvailableException {
+        assertEquals("DSU status", expected, getDsuStatus());
+    }
+
+    public boolean isDsuRunning() throws DeviceNotAvailableException {
+        return "running".equals(getDsuStatus());
+    }
+
+    public void assertDsuRunning() throws DeviceNotAvailableException {
+        assertTrue("Expected DSU running", isDsuRunning());
+    }
+
+    public void assertDsuNotRunning() throws DeviceNotAvailableException {
+        assertFalse("Expected DSU not running", isDsuRunning());
+    }
+
+    public void assertAdbRoot() throws DeviceNotAvailableException {
+        assertTrue("Failed to 'adb root'", getDevice().enableAdbRoot());
+    }
+
+    public void assertDevicePathExist(String path) throws DeviceNotAvailableException {
+        assertTrue(String.format("Expected '%s' to exist", path), getDevice().doesFileExist(path));
+    }
+
+    public void assertDevicePathNotExist(String path) throws DeviceNotAvailableException {
+        assertFalse(
+                String.format("Expected '%s' to not exist", path), getDevice().doesFileExist(path));
+    }
+}