Merge "Start Virt Manager via init rather than running it in shell for test."
diff --git a/authfs/tests/java/src/com/android/fs/AuthFsHostTest.java b/authfs/tests/java/src/com/android/fs/AuthFsHostTest.java
index 6a24011..43d1210 100644
--- a/authfs/tests/java/src/com/android/fs/AuthFsHostTest.java
+++ b/authfs/tests/java/src/com/android/fs/AuthFsHostTest.java
@@ -182,12 +182,7 @@
// Verify
String expectedHash = computeFileHashInGuest(srcPath);
- String actualHash = computeFileHash(backendPath);
- assertEquals("Inconsistent file hash on the backend storage", expectedHash, actualHash);
-
- String actualHashFromAuthFs = computeFileHashInGuest(destPath);
- assertEquals("Inconsistent file hash when reads from authfs", expectedHash,
- actualHashFromAuthFs);
+ expectBackingFileConsistency(destPath, backendPath, expectedHash);
}
@Test
@@ -222,6 +217,49 @@
"dd if=/dev/zero of=" + destPath + " bs=1 count=1024 skip=8192");
}
+ @Test
+ public void testFileResize() throws DeviceNotAvailableException, InterruptedException {
+ // Setup
+ runFdServerInBackground("3<>output", "--rw-fds 3");
+ runAuthFsInBackground("--remote-new-rw-file 20:3");
+ String outputPath = MOUNT_DIR + "/20";
+ String backendPath = TEST_DIR + "/output";
+
+ // Action & Verify
+ expectRemoteCommandToSucceed(
+ "yes $'\\x01' | tr -d '\\n' | dd bs=1 count=10000 of=" + outputPath);
+ assertEquals(getFileSizeInBytes(outputPath), 10000);
+ expectBackingFileConsistency(
+ outputPath,
+ backendPath,
+ "684ad25fdc2bbb80cbc910dd1bde6d5499ccf860ca6ee44704b77ec445271353");
+
+ resizeFile(outputPath, 15000);
+ assertEquals(getFileSizeInBytes(outputPath), 15000);
+ expectBackingFileConsistency(
+ outputPath,
+ backendPath,
+ "567c89f62586e0d33369157afdfe99a2fa36cdffb01e91dcdc0b7355262d610d");
+
+ resizeFile(outputPath, 5000);
+ assertEquals(getFileSizeInBytes(outputPath), 5000);
+ expectBackingFileConsistency(
+ outputPath,
+ backendPath,
+ "e53130831c13dabff71d5d1797e3aaa467b4b7d32b3b8782c4ff03d76976f2aa");
+ }
+
+ private void expectBackingFileConsistency(
+ String authFsPath, String backendPath, String expectedHash)
+ throws DeviceNotAvailableException {
+ String hashOnAuthFs = computeFileHashInGuest(authFsPath);
+ assertEquals("File hash is different to expectation", expectedHash, hashOnAuthFs);
+
+ String hashOfBackingFile = computeFileHash(backendPath);
+ assertEquals(
+ "Inconsistent file hash on the backend storage", hashOnAuthFs, hashOfBackingFile);
+ }
+
// TODO(b/178874539): This does not really run in the guest VM. Send the shell command to the
// guest VM when authfs works across VM boundary.
private String computeFileHashInGuest(String path) throws DeviceNotAvailableException {
@@ -247,6 +285,14 @@
}
}
+ private void resizeFile(String path, long size) throws DeviceNotAvailableException {
+ expectRemoteCommandToSucceed("truncate -c -s " + size + " " + path);
+ }
+
+ private long getFileSizeInBytes(String path) throws DeviceNotAvailableException {
+ return Long.parseLong(expectRemoteCommandToSucceed("stat -c '%s' " + path));
+ }
+
private void throwDowncastedException(Exception e) throws DeviceNotAvailableException {
if (e instanceof DeviceNotAvailableException) {
throw (DeviceNotAvailableException) e;