Cleanup: use try-with-resources.

This commit is contained in:
Dennis Guse
2025-12-06 08:23:02 +01:00
parent 1cb3db496a
commit 7cb97b0e6b
4 changed files with 49 additions and 59 deletions
@@ -100,18 +100,18 @@ public class CustomSQLiteOpenHelperTest {
// Open database with SQL upgrade
Map<String, String> tableByUpgrade;
Map<String, String> indicesByUpgrade;
try (SQLiteDatabase dbUpgraded = new CustomSQLiteOpenHelper(context, DATABASE_NAME).getReadableDatabase()) {
tableByUpgrade = getSQL(dbUpgraded, "table");
indicesByUpgrade = getSQL(dbUpgraded, "index");
try (CustomSQLiteOpenHelper dbUpgraded = new CustomSQLiteOpenHelper(context, DATABASE_NAME)) {
tableByUpgrade = getSQL(dbUpgraded.getReadableDatabase(), "table");
indicesByUpgrade = getSQL(dbUpgraded.getReadableDatabase(), "index");
}
context.deleteDatabase(DATABASE_NAME);
// Open database via creation script
Map<String, String> tablesByCreate;
Map<String, String> indicesByCreate;
try (SQLiteDatabase dbCreated = new CustomSQLiteOpenHelper(context, DATABASE_NAME).getReadableDatabase()) {
tablesByCreate = getSQL(dbCreated, "table");
indicesByCreate = getSQL(dbCreated, "index");
try (CustomSQLiteOpenHelper dbCreated = new CustomSQLiteOpenHelper(context, DATABASE_NAME)) {
tablesByCreate = getSQL(dbCreated.getReadableDatabase(), "table");
indicesByCreate = getSQL(dbCreated.getReadableDatabase(), "index");
}
@@ -134,14 +134,16 @@ public class CustomSQLiteOpenHelperTest {
@Test
public void onDowngrade_ToVersion23() {
// Create most recent database schema
new CustomSQLiteOpenHelper(context, DATABASE_NAME).getReadableDatabase().close();
try(CustomSQLiteOpenHelper db = new CustomSQLiteOpenHelper(context, DATABASE_NAME)) {
db.getReadableDatabase();
}
// Downgrade schema to version 23 (base version)
Map<String, String> tablesByDowngrade;
Map<String, String> indicesByDowngrade;
try (SQLiteDatabase db = new CustomSQLiteOpenHelper(context, DATABASE_NAME, 23).getReadableDatabase()) {
tablesByDowngrade = getSQL(db, "table");
indicesByDowngrade = getSQL(db, "index");
try (CustomSQLiteOpenHelper db = new CustomSQLiteOpenHelper(context, DATABASE_NAME, 23)) {
tablesByDowngrade = getSQL(db.getReadableDatabase(), "table");
indicesByDowngrade = getSQL(db.getReadableDatabase(), "index");
}
// then - verify table structure
@@ -155,9 +157,9 @@ public class CustomSQLiteOpenHelperTest {
@Test
public void track_uuid_unique() {
try (SQLiteDatabase db = new CustomSQLiteOpenHelper(context, DATABASE_NAME).getWritableDatabase()) {
db.execSQL("INSERT INTO tracks (uuid) VALUES (0x00)");
db.execSQL("INSERT INTO tracks (uuid) VALUES (0x00)");
try (CustomSQLiteOpenHelper db = new CustomSQLiteOpenHelper(context, DATABASE_NAME)) {
db.getWritableDatabase().execSQL("INSERT INTO tracks (uuid) VALUES (0x00)");
db.getWritableDatabase().execSQL("INSERT INTO tracks (uuid) VALUES (0x00)");
fail("unique constraint not enforced");
} catch (SQLiteConstraintException e) {
assertTrue(e.getMessage().contains("UNIQUE constraint failed: tracks.uuid"));
@@ -168,7 +170,8 @@ public class CustomSQLiteOpenHelperTest {
public void upgrade_data_to_30() {
// given: a track in version 29
createVersion23();
try (SQLiteDatabase db29 = new CustomSQLiteOpenHelper(context, DATABASE_NAME, 29).getWritableDatabase()) {
try (CustomSQLiteOpenHelper db = new CustomSQLiteOpenHelper(context, DATABASE_NAME, 29)) {
SQLiteDatabase db29 = db.getWritableDatabase();
db29.beginTransaction();
db29.execSQL("INSERT INTO tracks (_id) VALUES (1)");
@@ -201,7 +204,8 @@ public class CustomSQLiteOpenHelperTest {
}
// when / then
try (SQLiteDatabase db30 = new CustomSQLiteOpenHelper(context, DATABASE_NAME, 30).getWritableDatabase()) {
try (CustomSQLiteOpenHelper db = new CustomSQLiteOpenHelper(context, DATABASE_NAME, 30)) {
SQLiteDatabase db30 = db.getWritableDatabase();
{
// Track 1
SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
@@ -261,7 +265,7 @@ public class CustomSQLiteOpenHelperTest {
private void createVersion23() {
// Manually create database schema with version 23 (base version)
SQLiteDatabase dbBase = new SQLiteOpenHelper(context, DATABASE_NAME, null, 23) {
try(SQLiteOpenHelper dbBase = new SQLiteOpenHelper(context, DATABASE_NAME, null, 23) {
@Override
public void onCreate(SQLiteDatabase db) {
}
@@ -269,12 +273,10 @@ public class CustomSQLiteOpenHelperTest {
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}.getWritableDatabase();
dbBase.execSQL(TRACKS_CREATE_TABLE_V23);
dbBase.execSQL(TRACKPOINTS_CREATE_TABLE_V23);
dbBase.execSQL(WAYPOINTS_CREATE_TABLE_V23);
dbBase.close();
}) {
dbBase.getWritableDatabase().execSQL(TRACKS_CREATE_TABLE_V23);
dbBase.getWritableDatabase().execSQL(TRACKPOINTS_CREATE_TABLE_V23);
dbBase.getWritableDatabase().execSQL(WAYPOINTS_CREATE_TABLE_V23);
}
}
}
@@ -314,19 +314,19 @@ public class GPXTrackImporterTest {
// given
XMLImporter importer = new XMLImporter(new GPXTrackImporter(context, trackImporter));
InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.gpx_timezone);
InputStream inputStreamExpected = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.gpx_timezone);
try(InputStream inputStreamExpected = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.gpx_timezone)) {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
// when
// 1. import
importTrackId = importer.importFile(inputStream).get(0);
Track importedTrack = contentProviderUtils.getTrack(importTrackId);
// when
// 1. import
importTrackId = importer.importFile(inputStream).get(0);
Track importedTrack = contentProviderUtils.getTrack(importTrackId);
TrackExporter trackExporter = TrackFileFormat.GPX.createTrackExporter(context, contentProviderUtils);
trackExporter.writeTrack(List.of(importedTrack), outputStream);
TrackExporter trackExporter = TrackFileFormat.GPX.createTrackExporter(context, contentProviderUtils);
trackExporter.writeTrack(List.of(importedTrack), outputStream);
// then
assertEquals(new String(inputStreamExpected.readAllBytes(), StandardCharsets.UTF_8), outputStream.toString());
// then
assertEquals(new String(inputStreamExpected.readAllBytes(), StandardCharsets.UTF_8), outputStream.toString());
}
}
}