chore: import upstream snapshot with attribution

tests/unit/cli-combo-command.test.ts

@@ -0,0 +1,103 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+const ORIGINAL_DATA_DIR = process.env.DATA_DIR;
+const ORIGINAL_FETCH = globalThis.fetch;
+
+function createTempDataDir() {
+  return fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-cli-combo-"));
+}
+
+async function withComboEnv(fn: (dataDir: string) => Promise<void>) {
+  const dataDir = createTempDataDir();
+  process.env.DATA_DIR = dataDir;
+  // Mock fetch → simulates server offline so withRuntime falls back to DB
+  globalThis.fetch = (async () => {
+    throw new Error("server offline");
+  }) as typeof fetch;
+
+  const originalLog = console.log;
+  console.log = () => {};
+
+  try {
+    await fn(dataDir);
+  } finally {
+    console.log = originalLog;
+    globalThis.fetch = ORIGINAL_FETCH;
+    fs.rmSync(dataDir, { recursive: true, force: true });
+
+    if (ORIGINAL_DATA_DIR === undefined) delete process.env.DATA_DIR;
+    else process.env.DATA_DIR = ORIGINAL_DATA_DIR;
+  }
+}
+
+test("combo create inserts a new combo via db module", async () => {
+  await withComboEnv(async () => {
+    const { runComboCreateCommand } = await import("../../bin/cli/commands/combo.mjs");
+    const result = await runComboCreateCommand("my-combo", "priority", {});
+    assert.equal(result, 0);
+
+    // Verify via the same db module
+    const { getComboByName } = await import("../../src/lib/db/combos.ts");
+    const combo = await getComboByName("my-combo");
+    assert.ok(combo);
+    assert.equal(combo.name, "my-combo");
+    assert.equal(combo.strategy, "priority");
+  });
+});
+
+test("combo create fails if combo already exists", async () => {
+  await withComboEnv(async () => {
+    const { runComboCreateCommand } = await import("../../bin/cli/commands/combo.mjs");
+
+    await runComboCreateCommand("dup-combo", "auto", {});
+    const originalError = console.error;
+    console.error = () => {};
+    const result = await runComboCreateCommand("dup-combo", "auto", {});
+    console.error = originalError;
+
+    assert.equal(result, 1);
+  });
+});
+
+test("combo delete removes the combo", async () => {
+  await withComboEnv(async () => {
+    const { runComboCreateCommand, runComboDeleteCommand } =
+      await import("../../bin/cli/commands/combo.mjs");
+
+    await runComboCreateCommand("to-delete", "weighted", {});
+    const result = await runComboDeleteCommand("to-delete", { yes: true });
+    assert.equal(result, 0);
+
+    const { getComboByName } = await import("../../src/lib/db/combos.ts");
+    const combo = await getComboByName("to-delete");
+    assert.equal(combo, null);
+  });
+});
+
+test("combo list returns 0 with empty combos table", async () => {
+  await withComboEnv(async () => {
+    const { runComboListCommand } = await import("../../bin/cli/commands/combo.mjs");
+    const result = await runComboListCommand({});
+    assert.equal(result, 0);
+  });
+});
+
+test("combo switch updates active combo when server is offline", async () => {
+  await withComboEnv(async () => {
+    const { runComboCreateCommand, runComboSwitchCommand } =
+      await import("../../bin/cli/commands/combo.mjs");
+
+    await runComboCreateCommand("my-switch", "round-robin", {});
+    const result = await runComboSwitchCommand("my-switch", {});
+    assert.equal(result, 0);
+
+    // Verify active combo written to key_value settings
+    const { getSettings } = await import("../../src/lib/db/settings.ts");
+    const settings = await getSettings();
+    assert.equal((settings as Record<string, unknown>).activeCombo, "my-switch");
+  });
+});