Make GOOGLE_REFRESH_TOKEN optional in config

src/config.test.ts

@@ -71,4 +71,47 @@ describe("loadConfig", () => {
       extraArgs: ["--device", "iPhone 15", "--viewport-size", "1280,720"],
     });
   });
+
+  it("accepts Google client_id + client_secret without a refresh token", () => {
+    const cfg = loadConfig(
+      { ...base, GOOGLE_CLIENT_ID: "cid", GOOGLE_CLIENT_SECRET: "csecret" },
+      "/p",
+    );
+    expect(cfg.google).toEqual({ clientId: "cid", clientSecret: "csecret", refreshToken: undefined });
+  });
+
+  it("accepts Google client_id + client_secret + refresh_token together", () => {
+    const cfg = loadConfig(
+      {
+        ...base,
+        GOOGLE_CLIENT_ID: "cid",
+        GOOGLE_CLIENT_SECRET: "csecret",
+        GOOGLE_REFRESH_TOKEN: "rt",
+      },
+      "/p",
+    );
+    expect(cfg.google).toEqual({ clientId: "cid", clientSecret: "csecret", refreshToken: "rt" });
+  });
+
+  it("rejects Google config that has client_id without client_secret", () => {
+    expect(() =>
+      loadConfig({ ...base, GOOGLE_CLIENT_ID: "cid" }, "/p"),
+    ).toThrow(/GOOGLE_CLIENT_ID.*GOOGLE_CLIENT_SECRET/);
+  });
+
+  it("rejects Google config that has client_secret without client_id", () => {
+    expect(() =>
+      loadConfig({ ...base, GOOGLE_CLIENT_SECRET: "csecret" }, "/p"),
+    ).toThrow(/GOOGLE_CLIENT_ID.*GOOGLE_CLIENT_SECRET/);
+  });
+
+  it("rejects a lone GOOGLE_REFRESH_TOKEN without client_id/secret", () => {
+    expect(() =>
+      loadConfig({ ...base, GOOGLE_REFRESH_TOKEN: "rt" }, "/p"),
+    ).toThrow(/GOOGLE_CLIENT_ID.*GOOGLE_CLIENT_SECRET/);
+  });
+
+  it("leaves google undefined when no GOOGLE_* vars are set", () => {
+    expect(loadConfig(base, "/p").google).toBeUndefined();
+  });
 });

src/config.ts

@@ -18,7 +18,7 @@ export interface Config {
 export interface GoogleConfig {
   clientId: string;
   clientSecret: string;
-  refreshToken: string;
+  refreshToken?: string;
 }
 
 export interface PlaywrightConfig {
@@ -55,14 +55,15 @@ export function loadConfig(env: NodeJS.ProcessEnv = process.env, cwd: string = p
   const googleClientId = blankToUndefined(env.GOOGLE_CLIENT_ID);
   const googleClientSecret = blankToUndefined(env.GOOGLE_CLIENT_SECRET);
   const googleRefreshToken = blankToUndefined(env.GOOGLE_REFRESH_TOKEN);
-  const googleParts = [googleClientId, googleClientSecret, googleRefreshToken];
-  if (googleParts.some(Boolean) && !googleParts.every(Boolean)) {
+  const hasClientId = Boolean(googleClientId);
+  const hasClientSecret = Boolean(googleClientSecret);
+  if (hasClientId !== hasClientSecret || (!hasClientId && googleRefreshToken)) {
     throw new ConfigError(
-      "Google Calendar needs all three of GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, GOOGLE_REFRESH_TOKEN, or none.",
+      "Google Calendar needs both GOOGLE_CLIENT_ID and GOOGLE_CLIENT_SECRET (refresh token is optional; if set at startup it will be migrated into the workspace store).",
     );
   }
   const google: GoogleConfig | undefined =
-    googleClientId && googleClientSecret && googleRefreshToken
+    googleClientId && googleClientSecret
       ? { clientId: googleClientId, clientSecret: googleClientSecret, refreshToken: googleRefreshToken }
       : undefined;