feat: add devflow doctor cli

packages/core/src/config.test.ts

@@ -0,0 +1,74 @@
+import { mkdirSync, mkdtempSync, realpathSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { describe, expect, it } from "vitest";
+
+import { loadConfigFromSources } from "./config.js";
+
+describe("config loader", () => {
+  it("loads .env, .env.local, then process env in descending precedence", () => {
+    const root = mkdtempSync(join(tmpdir(), "devflow-config-"));
+    const workspace = join(root, "workspace");
+    mkdirSync(workspace);
+    writeFileSync(
+      join(root, ".env"),
+      [
+        "DATABASE_URL=postgres://env:env@localhost:5432/env",
+        "WORKSPACE_ROOT=workspace",
+        "LOG_LEVEL=warn",
+      ].join("\n"),
+    );
+    writeFileSync(join(root, ".env.local"), "LOG_LEVEL=debug\n");
+
+    const config = loadConfigFromSources({
+      cwd: root,
+      env: {
+        DATABASE_URL: "postgres://process:process@localhost:5432/process",
+      },
+    });
+
+    expect(config.DATABASE_URL).toBe("postgres://process:process@localhost:5432/process");
+    expect(config.LOG_LEVEL).toBe("debug");
+    expect(config.WORKSPACE_ROOT).toBe(realpathSync(workspace));
+  });
+
+  it("always exposes the fake backend as enabled", () => {
+    const root = mkdtempSync(join(tmpdir(), "devflow-config-"));
+    const workspace = join(root, "workspace");
+    mkdirSync(workspace);
+
+    const config = loadConfigFromSources({
+      cwd: root,
+      env: {
+        DATABASE_URL: "postgres://devflow:devflow@localhost:5432/devflow",
+        WORKSPACE_ROOT: workspace,
+        LOG_LEVEL: "info",
+      },
+    });
+
+    expect(config.backends).toContainEqual({ id: "fake", enabled: true });
+  });
+
+  it("parses backend registration from DEVFLOW_BACKENDS_JSON", () => {
+    const root = mkdtempSync(join(tmpdir(), "devflow-config-"));
+    const workspace = join(root, "workspace");
+    mkdirSync(workspace);
+
+    const config = loadConfigFromSources({
+      cwd: root,
+      env: {
+        DATABASE_URL: "postgres://devflow:devflow@localhost:5432/devflow",
+        WORKSPACE_ROOT: workspace,
+        LOG_LEVEL: "info",
+        DEVFLOW_BACKENDS_JSON: JSON.stringify([
+          { id: "codex", enabled: true, binaryPath: "/usr/local/bin/codex" },
+        ]),
+      },
+    });
+
+    expect(config.backends).toEqual([
+      { id: "fake", enabled: true },
+      { id: "codex", enabled: true, binaryPath: "/usr/local/bin/codex" },
+    ]);
+  });
+});