add rollback tests and update test descriptions #3
@@ -9,7 +9,7 @@ import { join } from 'https://deno.land/std@0.224.0/path/mod.ts';
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import { resolveUnitTargetPath, writeUnitFiles } from '../mod.ts';
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import { TimerOptions } from '../../types/options.ts';
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Deno.test('writeUnitFiles schreibt .service und .timer korrekt', async () => {
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Deno.test('writeUnitFiles: writes .service and .timer files correctly', async () => {
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const tmp = await Deno.makeTempDir({ prefix: 'test-units-' });
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const options = {
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@@ -28,15 +28,15 @@ Deno.test('writeUnitFiles schreibt .service und .timer korrekt', async () => {
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options as TimerOptions,
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) as { servicePath: string; timerPath: string };
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// Überprüfe Pfade
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// Check file paths
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assertEquals(servicePath, join(tmp, 'test-backup.service'));
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assertEquals(timerPath, join(tmp, 'test-backup.timer'));
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// Existieren Dateien?
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// Check if files exist
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assertExists(await Deno.stat(servicePath));
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assertExists(await Deno.stat(timerPath));
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// Enthält die Datei den erwarteten Inhalt?
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// Check if file contents match expectations
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const readService = await Deno.readTextFile(servicePath);
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const readTimer = await Deno.readTextFile(timerPath);
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@@ -44,23 +44,23 @@ Deno.test('writeUnitFiles schreibt .service und .timer korrekt', async () => {
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assertStringIncludes(readTimer, 'OnCalendar=daily');
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});
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Deno.test('resolveUnitTargetPath mit --output', () => {
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Deno.test('resolveUnitTargetPath: with --output', () => {
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const result = resolveUnitTargetPath({ output: '/tmp/units', user: false });
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assertEquals(result, '/tmp/units');
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});
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Deno.test('resolveUnitTargetPath mit --user ohne output', () => {
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Deno.test('resolveUnitTargetPath: with --user and no output', () => {
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Deno.env.set('HOME', '/home/maxp');
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const result = resolveUnitTargetPath({ output: undefined, user: true });
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assertEquals(result, '/home/maxp/.config/systemd/user');
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});
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Deno.test('resolveUnitTargetPath ohne output und ohne user', () => {
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Deno.test('resolveUnitTargetPath: with no output and no user', () => {
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const result = resolveUnitTargetPath({ output: undefined, user: false });
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assertEquals(result, '/etc/systemd/system');
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});
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Deno.test('writeUnitFiles: Fehler beim Schreiben der .timer-Datei führt zu Rollback', async () => {
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Deno.test('writeUnitFiles: error writing .timer file triggers rollback', async () => {
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const tmp = await Deno.makeTempDir();
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const options: TimerOptions = {
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@@ -77,14 +77,14 @@ Deno.test('writeUnitFiles: Fehler beim Schreiben der .timer-Datei führt zu Roll
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const servicePath = join(tmp, `${name}.service`);
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const timerPath = join(tmp, `${name}.timer`);
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// Simuliere: Schreiben der .timer-Datei schlägt fehl
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// Simulate: writing the .timer file fails
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const originalWrite = Deno.writeTextFile;
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const writeStub = stub(
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Deno,
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'writeTextFile',
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async (path: string | URL, data: string | ReadableStream<string>) => {
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if (typeof path === 'string' && path.endsWith('.timer')) {
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throw new Error('Simulierter Schreibfehler');
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throw new Error('Simulated write error');
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} else {
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return await originalWrite(path, data);
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}
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@@ -98,17 +98,17 @@ Deno.test('writeUnitFiles: Fehler beim Schreiben der .timer-Datei führt zu Roll
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options,
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);
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// Erwartung: Funktion gibt undefined zurück
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// Expect: function returns undefined
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assertEquals(result, undefined);
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// Erwartung: Beide Dateien wurden gelöscht (Rollback)
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// Expect: both files have been deleted (rollback)
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assertEquals(await exists(servicePath), false);
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assertEquals(await exists(timerPath), false);
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writeStub.restore();
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});
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Deno.test('writeUnitFiles: Fehler beim Schreiben der .service-Datei verhindert Folgeaktionen', async () => {
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Deno.test('writeUnitFiles: error writing .service file prevents further actions', async () => {
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const tmp = await Deno.makeTempDir();
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const options: TimerOptions = {
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@@ -125,13 +125,13 @@ Deno.test('writeUnitFiles: Fehler beim Schreiben der .service-Datei verhindert F
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const servicePath = join(tmp, `${name}.service`);
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const timerPath = join(tmp, `${name}.timer`);
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// Simuliere: Fehler beim Schreiben der .service-Datei
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// Simulate: error writing the .service file
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const writeStub = stub(
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Deno,
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'writeTextFile',
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(path: string | URL, _data: string | ReadableStream<string>) => {
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if (typeof path === 'string' && path.endsWith('.service')) {
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throw new Error('Simulierter Service-Schreibfehler');
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throw new Error('Simulated service write error');
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}
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return Promise.resolve();
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},
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@@ -144,17 +144,17 @@ Deno.test('writeUnitFiles: Fehler beim Schreiben der .service-Datei verhindert F
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options,
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);
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// Erwartung: Funktion gibt undefined zurück
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// Expect: function returns undefined
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assertEquals(result, undefined);
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// Erwartung: Es wurden keine Dateien angelegt
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// Expect: no files were created
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assertEquals(await exists(servicePath), false);
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assertEquals(await exists(timerPath), false);
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writeStub.restore();
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});
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Deno.test('writeUnitFiles: beide Dateien geschrieben, danach Fehler → vollständiger Rollback', async () => {
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Deno.test('writeUnitFiles: both files written, then error → full rollback', async () => {
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const tmp = await Deno.makeTempDir();
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const options: TimerOptions = {
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@@ -179,18 +179,16 @@ Deno.test('writeUnitFiles: beide Dateien geschrieben, danach Fehler → vollstä
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'writeTextFile',
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async (path: string | URL, data: string | ReadableStream<string>) => {
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if (typeof path !== 'string') {
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throw new Error('Unerwarteter Pfadtyp');
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throw new Error('Unexpected path type');
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}
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// Simuliere beide Schreibvorgänge, aber wirf nach dem zweiten eine Exception
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// Simulate both writes, then throw an error after the second
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writeCount++;
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await originalWriteTextFile(path, data); // wirklich schreiben
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await originalWriteTextFile(path, data);
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if (writeCount === 2) {
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throw new Error(
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'Simulierter Fehler nach vollständigem Schreiben',
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);
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throw new Error('Simulated error after full write');
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}
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},
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);
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@@ -202,17 +200,17 @@ Deno.test('writeUnitFiles: beide Dateien geschrieben, danach Fehler → vollstä
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options,
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);
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// Erwartung: Funktion gibt undefined zurück
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// Expect: function returns undefined
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assertEquals(result, undefined);
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// Erwartung: Beide Dateien wurden wieder entfernt
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// Expect: both files were removed
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assertEquals(await exists(servicePath), false);
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assertEquals(await exists(timerPath), false);
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writeStub.restore();
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});
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Deno.test('writeUnitFiles: Rollback schlägt fehl, wenn Dateien nicht gelöscht werden können', async () => {
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Deno.test('writeUnitFiles: rollback fails if files cannot be deleted', async () => {
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const tmp = await Deno.makeTempDir();
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const options: TimerOptions = {
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@@ -229,9 +227,8 @@ Deno.test('writeUnitFiles: Rollback schlägt fehl, wenn Dateien nicht gelöscht
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const servicePath = join(tmp, `${name}.service`);
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const timerPath = join(tmp, `${name}.timer`);
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// Originale Methoden sichern
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const originalWriteTextFile = Deno.writeTextFile;
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const originalRemove = Deno.remove;
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const _originalRemove = Deno.remove;
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let writeCount = 0;
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@@ -242,7 +239,7 @@ Deno.test('writeUnitFiles: Rollback schlägt fehl, wenn Dateien nicht gelöscht
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writeCount++;
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await originalWriteTextFile(path, data);
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if (writeCount === 2) {
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throw new Error('Fehler nach vollständigem Schreiben');
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throw new Error('Error after full write');
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}
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},
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);
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@@ -252,11 +249,10 @@ Deno.test('writeUnitFiles: Rollback schlägt fehl, wenn Dateien nicht gelöscht
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'remove',
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// deno-lint-ignore require-await
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async (_path: string | URL, _opts?: Deno.RemoveOptions) => {
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throw new Error('Löschen verboten!');
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throw new Error('Deletion forbidden!');
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},
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);
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// capture console output
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const logs: string[] = [];
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const consoleStub = stub(console, 'error', (...args) => {
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logs.push(args.map((a) => String(a)).join(' '));
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@@ -270,15 +266,14 @@ Deno.test('writeUnitFiles: Rollback schlägt fehl, wenn Dateien nicht gelöscht
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);
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assertEquals(result, undefined);
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// Dateien existieren noch, weil löschen fehlschlug
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// Files still exist because deletion failed
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assertEquals(await exists(servicePath), true);
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assertEquals(await exists(timerPath), true);
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// Fehlerausgabe enthält "rollback_failed"
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// Error output contains "rollback_failed"
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const combinedLogs = logs.join('\n');
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assertStringIncludes(combinedLogs, 'rollback_failed');
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// Cleanup
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writeStub.restore();
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removeStub.restore();
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consoleStub.restore();
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