From 703cceb512bfa16c3aac5abd00aa94527e0b6da7 Mon Sep 17 00:00:00 2001
From: Juergen Kunz <juergen@foss.global>
Date: Tue, 21 Apr 2026 13:33:38 +0000
Subject: [PATCH] test(config): cover config init and show output

---
 test/config-handler_test.ts | 111 ++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 test/config-handler_test.ts

diff --git a/test/config-handler_test.ts b/test/config-handler_test.ts
new file mode 100644
index 0000000..f41782b
--- /dev/null
+++ b/test/config-handler_test.ts
@@ -0,0 +1,111 @@
+import { assertEquals } from 'jsr:@std/assert@^1.0.0';
+import { ConfigHandler } from '../ts/cli/config-handler.ts';
+import { PATHS } from '../ts/constants.ts';
+import { logger } from '../ts/logger.ts';
+
+Deno.test('ConfigHandler init writes the current default config shape', async () => {
+  const tempDir = await Deno.makeTempDir();
+  const originalConfigDir = PATHS.CONFIG_DIR;
+  const originalConfigFile = PATHS.CONFIG_FILE;
+  (PATHS as { CONFIG_DIR: string }).CONFIG_DIR = tempDir;
+  (PATHS as { CONFIG_FILE: string }).CONFIG_FILE = `${tempDir}/config.json`;
+
+  try {
+    const handler = new ConfigHandler();
+    await handler.init();
+
+    const config = JSON.parse(await Deno.readTextFile(`${tempDir}/config.json`));
+    assertEquals(config.ui.enabled, true);
+    assertEquals(config.ui.assetSource, 'bundle');
+    assertEquals(config.cluster.role, 'standalone');
+    assertEquals(config.models.registryUrl, 'https://list.modelgrid.com/catalog/models.json');
+    assertEquals(config.models.autoDeploy, true);
+    assertEquals(config.models.defaultEngine, 'vllm');
+  } finally {
+    (PATHS as { CONFIG_DIR: string }).CONFIG_DIR = originalConfigDir;
+    (PATHS as { CONFIG_FILE: string }).CONFIG_FILE = originalConfigFile;
+    await Deno.remove(tempDir, { recursive: true });
+  }
+});
+
+Deno.test('ConfigHandler show renders canonical model and ui settings', async () => {
+  const tempDir = await Deno.makeTempDir();
+  const originalConfigFile = PATHS.CONFIG_FILE;
+  const boxes: Array<{ title: string; lines: string[] }> = [];
+  const originalLog = logger.log;
+  const originalLogBox = logger.logBox;
+
+  (PATHS as { CONFIG_FILE: string }).CONFIG_FILE = `${tempDir}/config.json`;
+
+  logger.log = (_message: string) => {};
+  logger.logBox = (
+    title: string,
+    lines: string[],
+  ) => {
+    boxes.push({ title, lines });
+  };
+
+  try {
+    await Deno.writeTextFile(
+      `${tempDir}/config.json`,
+      JSON.stringify({
+        version: '1.0.0',
+        api: {
+          port: 8080,
+          host: '0.0.0.0',
+          apiKeys: ['sk-test'],
+          rateLimit: 60,
+          cors: true,
+          corsOrigins: ['*'],
+        },
+        ui: {
+          enabled: true,
+          port: 8081,
+          host: '0.0.0.0',
+          assetSource: 'bundle',
+        },
+        docker: {
+          networkName: 'modelgrid',
+          runtime: 'docker',
+        },
+        gpus: {
+          autoDetect: true,
+          assignments: {},
+        },
+        containers: [],
+        models: {
+          registryUrl: 'https://example.com/catalog.json',
+          autoDeploy: false,
+          defaultEngine: 'vllm',
+          autoLoad: ['meta-llama/Llama-3.1-8B-Instruct'],
+        },
+        cluster: {
+          enabled: false,
+          nodeName: 'modelgrid-local',
+          role: 'standalone',
+          bindHost: '0.0.0.0',
+          gossipPort: 7946,
+          heartbeatIntervalMs: 5000,
+          seedNodes: [],
+        },
+        checkInterval: 30000,
+      }),
+    );
+
+    const handler = new ConfigHandler();
+    await handler.show();
+
+    const modelsBox = boxes.find((box) => box.title === 'Models');
+    assertEquals(modelsBox?.lines.some((line) => line.includes('Auto Deploy:')), true);
+    assertEquals(modelsBox?.lines.some((line) => line.includes('Default Engine: vllm')), true);
+    assertEquals(modelsBox?.lines.some((line) => line.includes('https://example.com/catalog.json')), true);
+
+    const apiBox = boxes.find((box) => box.title === 'API Server');
+    assertEquals(apiBox?.lines.some((line) => line.includes('Rate Limit: 60 req/min')), true);
+  } finally {
+    logger.log = originalLog;
+    logger.logBox = originalLogBox;
+    (PATHS as { CONFIG_FILE: string }).CONFIG_FILE = originalConfigFile;
+    await Deno.remove(tempDir, { recursive: true });
+  }
+});