@Test
public void shouldLeaveAllFilesUntouchedIfWrongVersionNumberFound() throws IOException {
File workingDirectory =
new File(
"target/"
+ StoreUpgraderTestIT.class.getSimpleName()
+ "shouldLeaveAllFilesUntouchedIfWrongVersionNumberFound");
File comparisonDirectory =
new File(
"target/"
+ StoreUpgraderTestIT.class.getSimpleName()
+ "shouldLeaveAllFilesUntouchedIfWrongVersionNumberFound-comparison");
MigrationTestUtils.prepareSampleLegacyDatabase(workingDirectory);
changeVersionNumber(new File(workingDirectory, "neostore.nodestore.db"), "v0.9.5");
deleteRecursively(comparisonDirectory);
copyRecursively(workingDirectory, comparisonDirectory);
try {
newUpgrader(
alwaysAllowed(),
new StoreMigrator(new SilentMigrationProgressMonitor()),
new DatabaseFiles())
.attemptUpgrade(new File(workingDirectory, NeoStore.DEFAULT_NAME).getPath());
fail("Should throw exception");
} catch (StoreUpgrader.UnableToUpgradeException e) {
// expected
}
verifyFilesHaveSameContent(comparisonDirectory, workingDirectory);
}
@Test
public void shouldRejectStoresIfOneFileHasIncorrectVersion() throws IOException {
changeVersionNumber(fileSystem, new File(workingDirectory, "neostore.nodestore.db"), "v0.9.5");
assertFalse(
new UpgradableDatabase(new StoreVersionCheck(fileSystem))
.storeFilesUpgradeable(workingDirectory));
}
@Test
public void shouldCommunicateWhatCausesInabilityToUpgrade() throws IOException {
changeVersionNumber(fileSystem, new File(workingDirectory, "neostore.nodestore.db"), "v0.9.5");
try {
new UpgradableDatabase(new StoreVersionCheck(fileSystem)).checkUpgradeable(workingDirectory);
fail("should not have been able to upgrade");
} catch (StoreUpgrader.UnexpectedUpgradingStoreVersionException e) {
assertThat(
e.getMessage(),
is(
"'neostore.nodestore.db' has a store version number that we cannot upgrade "
+ "from. Expected 'NodeStore "
+ LEGACY_VERSION
+ "' but file is version 'NodeStore v0.9.5'."));
}
}