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1// Tests for the plugin's hooks: node --test plugins/claude-code/test/
2import assert from "node:assert/strict";
3import { spawnSync } from "node:child_process";
4import { existsSync, mkdtempSync, readFileSync, rmSync } from "node:fs";
5import { tmpdir } from "node:os";
6import { join } from "node:path";
7import { afterEach, beforeEach, describe, test } from "node:test";
8import { fileURLToPath } from "node:url";
9
10import {
11 PROMPT_LIMIT,
12 RESULT_LIMIT,
13 agentResult,
14 branchFromCommand,
15 g1tTool,
16 hasTitle,
17 hook,
18 intentTitle,
19 MIN_CLI,
20 TITLE_LIMIT,
21 oldNode,
22 older,
23 typedSkill,
24 isG1tRemote,
25 isGitCommit,
26 isGitPush,
27 issueFromBranch,
28 issueFromCommand,
29 plan,
30 redact,
31 sessionFiles,
32 subagentHarnessId,
33 summarizeTool,
34 work,
35} from "../hooks/g1t.mjs";
36
37import { CONTRACT, refusal } from "./fake-g1t.mjs";
38
39const HERE = fileURLToPath(new URL(".", import.meta.url));
40const SCRIPT = join(HERE, "..", "hooks", "g1t.mjs");
41const FAKE = join(HERE, "fake-g1t.mjs");
42
43const base = { session_id: "abc-123", cwd: "/work/repo", transcript_path: "/t.jsonl", permission_mode: "default" };
44
45describe("plan", () => {
46 test("SessionStart starts the session", () => {
47 const job = plan({ ...base, hook_event_name: "SessionStart", source: "startup" }, {});
48 assert.equal(job.start, true);
49 assert.deepEqual(job.steps, []);
50 });
51
52 test("UserPromptSubmit logs the prompt, cut to the limit", () => {
53 const prompt = "x".repeat(PROMPT_LIMIT + 500);
54 const job = plan({ ...base, hook_event_name: "UserPromptSubmit", prompt }, {});
55 const args = job.steps[0].args;
56 assert.deepEqual(args.slice(0, 5), ["session", "log", "--kind", "prompt", "--"]);
57 assert.equal(args[5].length, PROMPT_LIMIT);
58 assert.ok(args[5].endsWith("…"));
59 });
60
61 test("a turn Claude Code starts itself for a background task is not a prompt", () => {
62 const notification = "<task-notification>\n<task-id>a1</task-id>\n<result>SECRET OUTPUT</result>\n</task-notification>";
63 assert.equal(plan({ ...base, hook_event_name: "UserPromptSubmit", prompt: notification }, {}), null);
64 assert.equal(plan({ ...base, hook_event_name: "UserPromptSubmit", prompt: "hi" }, {}).steps[0].args.at(-1), "hi");
65 });
66
67 test("a prompt's intent is its first line or sentence, plain, clipped on a word", () => {
68 assert.equal(intentTitle("fix the login redirect"), "Fix the login redirect");
69 assert.equal(intentTitle("Make preview builds faster. They time out on big repositories."), "Make preview builds faster");
70 assert.equal(intentTitle("Why does `src/app.ts` fail? It worked yesterday."), "Why does src/app.ts fail?");
71 assert.equal(intentTitle("```js\nconst a = 1;\n```\n## Clean **this** up\nmore"), "Clean this up");
72 assert.equal(intentTitle("\n\n- look at [the docs](https://docs.g1t.sh) for g1t.mjs"), "Look at the docs for g1t.mjs");
73 assert.equal(intentTitle(" spread over\tspaces "), "Spread over spaces");
74 const long = intentTitle("[TEST] Tidy up the README and then look at the CI pipeline, which keeps failing on the Windows runners");
75 assert.ok(long.length <= TITLE_LIMIT, long);
76 assert.ok(long.endsWith("…") && !long.endsWith(" …"), long);
77 assert.ok(long.startsWith("[TEST] Tidy up the README"), long);
78 assert.ok("[TEST] Tidy up the README and then look at the CI pipeline, which keeps failing on the Windows runners".startsWith(long.slice(0, -1)));
79 // Not intents: slash commands, turns Claude Code starts, nothing to say.
80 for (const prompt of ["/clear", "/compact keep the plan", "/g1t:status 4", "<command-name>/clear</command-name>", "```\ncode only\n```", "?", "", null]) {
81 assert.equal(intentTitle(prompt), null, String(prompt));
82 }
83 });
84
85 test("UserPromptSubmit titles the session with its intent, unless prompts are kept back", () => {
86 const job = plan({ ...base, hook_event_name: "UserPromptSubmit", prompt: "fix the login redirect" }, {});
87 assert.deepEqual(job.steps.at(-1), { title: "Fix the login redirect" });
88 assert.ok(!plan({ ...base, hook_event_name: "UserPromptSubmit", prompt: "/clear" }, {}).steps.some((s) => s.title));
89 assert.equal(plan({ ...base, hook_event_name: "UserPromptSubmit", prompt: "fix it" }, { G1T_RECORD_PROMPTS: "0" }), null);
90 assert.equal(hasTitle(JSON.stringify({ id: "ses_1", title: null })), false);
91 assert.equal(hasTitle(JSON.stringify({ id: "ses_1", title: " " })), false);
92 assert.equal(hasTitle(JSON.stringify({ id: "ses_1", title: "Fix it" })), true);
93 assert.equal(hasTitle("not json"), true, "unreadable: nothing is replaced");
94 });
95
96 test("G1T_RECORD_PROMPTS=0 keeps prompts back, and G1T_RECORD=0 everything", () => {
97 assert.equal(plan({ ...base, hook_event_name: "UserPromptSubmit", prompt: "hi" }, { G1T_RECORD_PROMPTS: "0" }), null);
98 assert.ok(plan({ ...base, hook_event_name: "Stop" }, { G1T_RECORD_PROMPTS: "0" }));
99 for (const hook_event_name of ["SessionStart", "UserPromptSubmit", "PostToolUse", "Stop", "SessionEnd"]) {
100 assert.equal(plan({ ...base, hook_event_name, prompt: "hi", tool_name: "Bash" }, { G1T_RECORD: "0" }), null);
101 }
102 });
103
104 test("PostToolUse sends the tool and its input's summary, never its response", () => {
105 const event = {
106 ...base,
107 hook_event_name: "PostToolUse",
108 tool_name: "Bash",
109 tool_input: { command: "npm test", description: "Run the tests" },
110 tool_response: { stdout: "SECRET OUTPUT 1234", stderr: "", interrupted: false },
111 tool_use_id: "toolu_1",
112 };
113 const job = plan(event, {});
114 assert.deepEqual(job.steps, [{ args: ["session", "log", "--kind", "tool_call", "--", "Bash: npm test"] }]);
115 assert.ok(!JSON.stringify(job).includes("SECRET OUTPUT"));
116 });
117
118 test("PostToolUse after a git push updates the head commit", () => {
119 const job = plan({ ...base, hook_event_name: "PostToolUse", tool_name: "Bash", tool_input: { command: "git push -u origin 42-fix" } }, {});
120 assert.deepEqual(job.steps[1], { headCommit: true });
121 const other = plan({ ...base, hook_event_name: "PostToolUse", tool_name: "Bash", tool_input: { command: "git status" } }, {});
122 assert.equal(other.steps.length, 1);
123 });
124
125 test("PostToolUse remembers the issue a command claims", () => {
126 const job = plan({ ...base, hook_event_name: "PostToolUse", tool_name: "Bash", tool_input: { command: "g1t work claim 42 --note x" } }, {});
127 assert.equal(job.issue, 42);
128 });
129
130 test("Stop sends a heartbeat and SessionEnd ends the session with its reason", () => {
131 assert.deepEqual(plan({ ...base, hook_event_name: "Stop", stop_hook_active: false }, {}).steps, [{ args: ["session", "heartbeat"] }]);
132 const end = plan({ ...base, hook_event_name: "SessionEnd", reason: "prompt_input_exit" }, {});
133 assert.deepEqual(end.steps, [{ args: ["session", "end", "--reason", "prompt_input_exit"] }]);
134 assert.equal(end.end, true);
135 });
136
137 test("events without a session, and other events, do nothing", () => {
138 assert.equal(plan({ hook_event_name: "Stop" }, {}), null);
139 assert.equal(plan({ ...base, hook_event_name: "PreToolUse", tool_name: "Bash" }, {}), null);
140 });
141});
142
143// Payloads as Claude Code sends them (code.claude.com/docs/en/hooks).
144const fixtures = {
145 subagentStart: {
146 session_id: "abc-123",
147 transcript_path: "/t.jsonl",
148 cwd: "/work/repo",
149 hook_event_name: "SubagentStart",
150 agent_id: "agent-def456",
151 agent_type: "Explore",
152 },
153 subagentStop: {
154 session_id: "abc-123",
155 transcript_path: "/t.jsonl",
156 cwd: "/work/repo",
157 permission_mode: "default",
158 hook_event_name: "SubagentStop",
159 stop_hook_active: false,
160 agent_id: "def456",
161 agent_type: "Explore",
162 agent_transcript_path: "/t/abc-123/subagents/agent-def456.jsonl",
163 last_assistant_message: "Analysis complete. Found 3 potential issues...",
164 background_tasks: [],
165 session_crons: [],
166 },
167 agentCompleted: {
168 ...base,
169 hook_event_name: "PostToolUse",
170 tool_name: "Agent",
171 tool_input: { description: "Find API endpoints", prompt: "Find all API endpoints", subagent_type: "Explore" },
172 tool_response: {
173 status: "completed",
174 agentId: "a4d2c8f1e0b3a297",
175 content: [{ type: "text", text: "Found 12 endpoints in src/api." }],
176 resolvedModel: "claude-sonnet-4-5",
177 totalTokens: 12450,
178 totalDurationMs: 48211,
179 totalToolUseCount: 7,
180 usage: { input_tokens: 8320, output_tokens: 410 },
181 },
182 tool_use_id: "toolu_9",
183 },
184 agentLaunched: {
185 ...base,
186 hook_event_name: "PostToolUse",
187 tool_name: "Agent",
188 tool_input: { description: "Review the diff", prompt: "Review it", subagent_type: "code-reviewer", run_in_background: true },
189 tool_response: { status: "async_launched", agentId: "b5", description: "Review the diff", prompt: "Review it", outputFile: "/tmp/b5.out", resolvedModel: "claude-sonnet-4-5" },
190 },
191 inSubagent: {
192 ...base,
193 hook_event_name: "PostToolUse",
194 agent_id: "agent-def456",
195 agent_type: "Explore",
196 tool_name: "Edit",
197 tool_input: { file_path: "/work/repo/src/api/routes.ts", old_string: "a", new_string: "b" },
198 tool_response: { filePath: "/work/repo/src/api/routes.ts", structuredPatch: "SECRET PATCH" },
199 },
200 skill: { ...base, hook_event_name: "PostToolUse", tool_name: "Skill", tool_input: { skill: "work-on-issue", args: "42" }, tool_response: { success: true, commandName: "work-on-issue" } },
201};
202
203describe("subagents", () => {
204 test("SubagentStart starts a session of its own for the subagent", () => {
205 const job = plan(fixtures.subagentStart, {});
206 assert.deepEqual(job.agent, { id: "agent-def456", type: "Explore", start: true });
207 assert.deepEqual(job.steps, []);
208 assert.equal(subagentHarnessId("abc-123", "agent-def456"), "abc-123/agent/def456");
209 assert.equal(subagentHarnessId("abc-123", "def456"), "abc-123/agent/def456", "the Agent tool's id names the same subagent");
210 });
211
212 test("SubagentStop ends it with its final message, cut to the limit", () => {
213 const job = plan(fixtures.subagentStop, {});
214 assert.deepEqual(job.agent, { id: "def456", type: "Explore" });
215 assert.deepEqual(job.steps, [{ args: ["session", "end", "--reason", "done", "--result=Analysis complete. Found 3 potential issues..."] }]);
216 const long = plan({ ...fixtures.subagentStop, last_assistant_message: "z".repeat(RESULT_LIMIT * 2) }, {});
217 assert.equal(long.steps[0].args.at(-1).length, "--result=".length + RESULT_LIMIT);
218 const dash = plan({ ...fixtures.subagentStop, last_assistant_message: "- Found 3 issues" }, {});
219 assert.equal(dash.steps[0].args.at(-1), "--result=- Found 3 issues", "a message that starts with a dash is still a value");
220 assert.equal(refusal(dash.steps[0].args), null);
221 });
222
223 test("an Agent call gives its subagent the task, and once finished its final message, and nothing else of its answer", () => {
224 const job = plan(fixtures.agentCompleted, {});
225 assert.deepEqual(job.subagent, {
226 id: "a4d2c8f1e0b3a297",
227 type: "Explore",
228 task: "Find API endpoints",
229 prompt: "Find all API endpoints",
230 model: "claude-sonnet-4-5",
231 result: "Found 12 endpoints in src/api.",
232 });
233 assert.deepEqual(job.steps, [{ args: ["session", "log", "--kind", "tool_call", "--", "Agent: Find API endpoints"] }]);
234 assert.ok(!JSON.stringify(job).includes("12450") && !JSON.stringify(job).includes("8320"));
235 const launched = plan(fixtures.agentLaunched, {});
236 assert.equal(launched.subagent.id, "b5");
237 assert.equal(launched.subagent.result, null, "a background subagent reports at SubagentStop");
238 assert.equal(plan(fixtures.agentCompleted, { G1T_RECORD_PROMPTS: "0" }).subagent.prompt, null);
239 assert.equal(agentResult({ content: "plain" }), "plain");
240 });
241
242 test("what a subagent does is its own session's, and the files it writes are touched", () => {
243 const job = plan(fixtures.inSubagent, {});
244 assert.deepEqual(job.agent, { id: "agent-def456", type: "Explore" });
245 assert.deepEqual(job.steps, [
246 { args: ["session", "log", "--kind", "tool_call", "--", "Edit: src/api/routes.ts"] },
247 { args: ["session", "touch", "--file=src/api/routes.ts"] },
248 ]);
249 assert.ok(!JSON.stringify(job).includes("SECRET PATCH"));
250 });
251
252 test("a skill is its name only", () => {
253 assert.deepEqual(plan(fixtures.skill, {}).steps, [{ args: ["session", "log", "--kind", "skill", "--", "work-on-issue"], skill: "work-on-issue" }]);
254 });
255
256 test("branches made, commits, claims and g1t's MCP tools are touched", () => {
257 const bash = (command) => plan({ ...base, hook_event_name: "PostToolUse", tool_name: "Bash", tool_input: { command } }, {});
258 assert.deepEqual(bash("git checkout -b 42-fix").steps.at(-1), { args: ["session", "touch", "--branch", "42-fix"] });
259 assert.deepEqual(bash('git commit -m "x" --trailer "G1t-Session: $G1T_SESSION"').steps.at(-1), { touchHead: true });
260 assert.deepEqual(bash("g1t work claim 42").steps.at(-1), { args: ["session", "touch", "--issue", "42"] });
261 const mcp = plan({ ...base, hook_event_name: "PostToolUse", tool_name: "mcp__plugin_g1t_g1t__issue", tool_input: { action: "claim", repo: "a/b", number: 7 } }, {});
262 assert.equal(mcp.issue, 7);
263 assert.equal(branchFromCommand("git switch -c feat/x && echo"), "feat/x");
264 assert.equal(branchFromCommand("git branch -d old"), null);
265 assert.equal(isGitCommit("git -C repo commit -am x"), true);
266 assert.equal(g1tTool("mcp__g1t__session"), "session");
267 assert.equal(g1tTool("mcp__github__issue"), null);
268 });
269
270 test("a hand-off's issue comes with the session", () => {
271 assert.equal(plan({ ...base, hook_event_name: "SessionStart" }, { G1T_ISSUE: "12" }).issue, 12);
272 });
273});
274
275describe("summaries", () => {
276 test("say what a tool was called with, in one short line", () => {
277 assert.equal(summarizeTool("Edit", { file_path: "/work/repo/src/a.ts", old_string: "x", new_string: "y" }, "/work/repo"), "Edit: src/a.ts");
278 assert.equal(summarizeTool("Grep", { pattern: "TODO", path: "src" }, "/w"), "Grep: TODO in src");
279 assert.equal(summarizeTool("WebFetch", { url: "https://example.com", prompt: "p" }), "WebFetch: https://example.com");
280 assert.equal(summarizeTool("Bash", { command: "echo one\necho two" }), "Bash: echo one …");
281 assert.equal(summarizeTool("mcp__g1t__issue", { action: "get", number: 4 }), "mcp__g1t__issue: get");
282 assert.ok(summarizeTool("Bash", { command: "y".repeat(1000) }).length <= 200);
283 });
284
285 test("hide what looks like a secret", () => {
286 const line = redact('curl -H "Authorization: Bearer g1t_abcdefghijklmnop" https://u:pw@x.com GITHUB_TOKEN=ghp_123456789012 --token abc');
287 assert.ok(!line.includes("abcdefghijklmnop"));
288 assert.ok(!line.includes("ghp_123456789012"));
289 assert.ok(!line.includes("u:pw@"));
290 assert.ok(!line.includes("--token abc"));
291 });
292
293 test("find the issue in a branch name", () => {
294 assert.equal(issueFromBranch("42-fix-login"), 42);
295 assert.equal(issueFromBranch("issue-7"), 7);
296 assert.equal(issueFromBranch("fix/123-thing"), 123);
297 assert.equal(issueFromBranch("main"), null);
298 assert.equal(issueFromBranch("release/1.2"), null);
299 assert.equal(issueFromBranch("HEAD"), null);
300 assert.equal(issueFromCommand("g1t session attach --issue 9"), 9);
301 assert.equal(issueFromCommand("g1t pr create --issue=12 --draft"), 12);
302 assert.equal(isGitPush("cd x && git -C repo push"), true);
303 assert.equal(isGitPush("git pushd"), false);
304 assert.equal(isG1tRemote(["remote.origin.url https://g1t.sh/a/b.git"], {}), true);
305 assert.equal(isG1tRemote(["remote.origin.url https://example.com/a/b.git"], {}), false);
306 assert.equal(isG1tRemote(["remote.origin.url https://git.acme.dev/a/b.git"], { G1T_HOST: "git.acme.dev" }), true);
307 });
308});
309
310describe("the plugin's files", () => {
311 const root = join(HERE, "..", "..", "..");
312 test("parse as JSON", () => {
313 for (const file of [".claude-plugin/marketplace.json", "plugins/claude-code/.claude-plugin/plugin.json", "plugins/claude-code/.mcp.json", "plugins/claude-code/hooks/hooks.json"]) {
314 assert.doesNotThrow(() => JSON.parse(readFileSync(join(root, file), "utf8")), file);
315 }
316 });
317
318 test("the AGENTS.md snippet is the one in the docs", () => {
319 const snippet = readFileSync(join(root, "plugins/other-harnesses/AGENTS.snippet.md"), "utf8").replaceAll("\r\n", "\n");
320 const guide = readFileSync(join(root, "apps/docs/src/content/docs/guides/claude-code-plugin.md"), "utf8").replaceAll("\r\n", "\n");
321 const block = /```md title="AGENTS.md"\n([\s\S]*?)```/.exec(guide)?.[1];
322 assert.equal(block, snippet);
323 });
324});
325
326describe("with a working copy", () => {
327 let dir, env, log;
328
329 const git = (...args) => spawnSync("git", args, { cwd: dir, encoding: "utf8" });
330 const allCalls = () =>
331 existsSync(log)
332 ? readFileSync(log, "utf8")
333 .trim()
334 .split("\n")
335 .filter(Boolean)
336 .map((l) => JSON.parse(l))
337 : [];
338 // The calls that do something: not the version check before them.
339 const calls = () => allCalls().filter((c) => c.args[0] !== "--version");
340
341 beforeEach(() => {
342 dir = mkdtempSync(join(tmpdir(), "g1t-hook-"));
343 log = join(dir, "calls.jsonl");
344 git("init", "-q", "-b", "42-fix-login");
345 git("remote", "add", "origin", "https://g1t.sh/acme/app.git");
346 env = { PATH: process.env.PATH, G1T_BIN: FAKE, FAKE_G1T_LOG: log, CLAUDE_PLUGIN_DATA: join(dir, ".data") };
347 });
348 afterEach(() => {
349 // Every call the hooks made is one the real CLI takes (the stand-in refuses the rest).
350 const refused = allCalls().filter((c) => refusal(c.args));
351 rmSync(dir, { recursive: true, force: true, maxRetries: 20, retryDelay: 100 });
352 assert.deepEqual(refused, [], "the CLI refuses these calls");
353 });
354
355 test("SessionStart gives Claude the branch's issue's work context", () => {
356 const { output, job } = hook({ ...base, cwd: dir, hook_event_name: "SessionStart", source: "startup" }, env);
357 const context = output.hookSpecificOutput.additionalContext;
358 assert.equal(output.hookSpecificOutput.hookEventName, "SessionStart");
359 assert.match(context, /issue #42/);
360 assert.match(context, /Definition of done: it works/);
361 assert.deepEqual(calls()[0].args, ["work", "context", "42"]);
362 assert.equal(job.start, true);
363 });
364
365 test("the background half starts the session once, then logs into it", () => {
366 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, env);
367 const { job } = hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "fix the login" }, env);
368 // No SessionStart marked this session as one in a g1t working copy.
369 assert.equal(job, null);
370 work(plan({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "fix the login" }, env), env);
371 const [start, logged] = calls();
372 assert.deepEqual(start.args, ["session", "start", "--harness", "claude_code", "--harness-session-id", "abc-123", "--json"]);
373 assert.deepEqual(logged, { args: ["session", "log", "--kind", "prompt", "--", "fix the login"], session: "ses_fake01" });
374 assert.equal(readFileSync(sessionFiles(base.session_id, env).id, "utf8"), "ses_fake01");
375 });
376
377 test("hooks after SessionStart record; SessionEnd forgets the session", () => {
378 hook({ ...base, cwd: dir, hook_event_name: "SessionStart", source: "startup" }, env);
379 const files = sessionFiles(base.session_id, env);
380 assert.ok(existsSync(files.marker));
381 const { job } = hook({ ...base, cwd: dir, hook_event_name: "Stop" }, env);
382 work(job, env);
383 work(plan({ ...base, cwd: dir, hook_event_name: "SessionEnd", reason: "clear" }, env), env);
384 const args = calls().map((c) => c.args.join(" "));
385 assert.ok(args.includes("session heartbeat"));
386 assert.ok(args.includes("session end --reason clear"));
387 assert.ok(!existsSync(files.marker) && !existsSync(files.id));
388 });
389
390 test("a push that reached the remote updates the head commit", () => {
391 git("-c", "user.name=t", "-c", "user.email=t@t", "-c", "commit.gpgsign=false", "commit", "-q", "--allow-empty", "-m", "one");
392 git("update-ref", "refs/remotes/origin/42-fix-login", "HEAD");
393 const head = git("rev-parse", "HEAD").stdout.trim();
394 work(plan({ ...base, cwd: dir, hook_event_name: "PostToolUse", tool_name: "Bash", tool_input: { command: "git push" } }, env), env);
395 const update = calls().find((c) => c.args[0] === "api");
396 assert.deepEqual(update.args, ["api", "update_session", "-f", "id=ses_fake01", "-f", `head_commit=${head}`, "--silent"]);
397 });
398
399 test("each subagent is a session of its own under this one, whatever order its hooks arrive in", () => {
400 const at = (event) => ({ ...event, cwd: dir });
401 hook(at({ ...base, hook_event_name: "SessionStart", source: "startup" }), env);
402 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, env);
403 // Claude calls Agent; its task waits for the subagent.
404 const pre = hook(at({ ...base, hook_event_name: "PreToolUse", tool_name: "Agent", tool_input: fixtures.agentCompleted.tool_input }), env);
405 assert.equal(pre.output, null);
406 const started = hook(at(fixtures.subagentStart), env);
407 assert.match(started.output.hookSpecificOutput.additionalContext, /session of your own/);
408 assert.match(started.output.hookSpecificOutput.additionalContext, /g1t session list --issue 42 --subagents|g1t session list --subagents/);
409 assert.equal(started.job.agent.task, "Find API endpoints");
410 work(started.job, env);
411 // What it does goes to its own session.
412 const edited = { ...fixtures.inSubagent.tool_input, file_path: join(dir, "src", "api", "routes.ts") };
413 work(hook(at({ ...fixtures.inSubagent, tool_input: edited }), env).job, env);
414 // Its g1t commands act as it.
415 const bash = hook(at({ ...base, hook_event_name: "PreToolUse", agent_id: "agent-def456", agent_type: "Explore", tool_name: "Bash", tool_input: { command: "g1t work claim 42" } }), env);
416 assert.equal(bash.output.hookSpecificOutput.updatedInput.command, "export G1T_SESSION=ses_sub_def456; g1t work claim 42");
417 const mcp = hook(at({ ...base, hook_event_name: "PreToolUse", agent_id: "agent-def456", tool_name: "mcp__plugin_g1t_g1t__issue", tool_input: { action: "claim", repo: "acme/app", number: 42 } }), env);
418 assert.equal(mcp.output.hookSpecificOutput.updatedInput.session_id, "ses_sub_def456");
419 // Outside a subagent, a command is left alone.
420 assert.equal(hook(at({ ...base, hook_event_name: "PreToolUse", tool_name: "Bash", tool_input: { command: "g1t work claim 42" } }), env).output, null);
421 work(hook(at(fixtures.subagentStop), env).job, env);
422 // A late SubagentStart starts it again, which g1t answers with the same, ended, session.
423 work(hook(at(fixtures.subagentStart), env).job, env);
424 const log = calls();
425 const childStarts = log.filter((c) => c.args[1] === "start" && c.args.includes("--parent"));
426 assert.ok(childStarts.length >= 2);
427 const first = childStarts[0].args;
428 assert.deepEqual(first.slice(0, 8), ["session", "start", "--harness", "claude_code", "--harness-session-id", "abc-123/agent/def456", "--parent", "ses_fake01"]);
429 assert.ok(first.includes("--no-remember"));
430 assert.ok(first.includes("--agent-type=Explore"));
431 assert.ok(first.includes("--task=Find API endpoints"));
432 const edit = log.find((c) => c.args[2] === "--kind" && c.args.at(-1) === "Edit: src/api/routes.ts");
433 assert.equal(edit.session, "ses_sub_def456");
434 const touched = log.find((c) => c.args[1] === "touch");
435 assert.deepEqual(touched, { args: ["session", "touch", "--file=src/api/routes.ts"], session: "ses_sub_def456" });
436 const ended = log.find((c) => c.args[1] === "end");
437 assert.deepEqual(ended, { args: ["session", "end", "--reason", "done", "--result=Analysis complete. Found 3 potential issues..."], session: "ses_sub_def456" });
438 });
439
440 test("a subagent whose stop arrives first is started, then ended", () => {
441 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, env);
442 work(hook({ ...fixtures.subagentStop, cwd: dir }, env).job, env);
443 const [, start, end] = calls().filter((c) => c.args[0] === "session");
444 assert.ok(start.args.includes("--parent"));
445 assert.equal(end.args[1], "end");
446 assert.equal(end.session, "ses_sub_def456");
447 });
448
449 test("an Agent call that finished ends its subagent with what it reported", () => {
450 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, env);
451 work(hook({ ...fixtures.agentCompleted, cwd: dir }, env).job, env);
452 const log = calls().filter((c) => c.args[0] === "session");
453 assert.equal(log.find((c) => c.args[1] === "log").session, "ses_fake01", "the Agent call is the parent's");
454 const end = log.find((c) => c.args[1] === "end");
455 assert.deepEqual(end, { args: ["session", "end", "--reason", "done", "--result=Found 12 endpoints in src/api."], session: "ses_sub_a4d2c8f1e0b3a297" });
456 });
457
458 test("a hand-off names its issue at the start", () => {
459 git("checkout", "-q", "-b", "main");
460 const { output, job } = hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, { ...env, G1T_ISSUE: "12" });
461 assert.match(output.hookSpecificOutput.additionalContext, /issue #12 \(from the work handed to it\)/);
462 assert.match(output.hookSpecificOutput.additionalContext, /G1t-Session/);
463 work(job, env);
464 const start = calls().find((c) => c.args[1] === "start");
465 assert.ok(start.args.includes("--issue") && start.args.includes("12"));
466 });
467
468 test("a missing CLI records nothing and says so once", () => {
469 const missing = { ...env, G1T_BIN: join(dir, "no-such-g1t") };
470 const first = hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, missing);
471 assert.match(first.output.systemMessage, /not installed/);
472 assert.equal(first.job, null);
473 const second = hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, missing);
474 assert.equal(second.output, null);
475 assert.equal(hook({ ...base, cwd: dir, hook_event_name: "Stop" }, missing).job, null);
476 assert.deepEqual(calls(), []);
477 });
478
479 test("a signed-out CLI is said once, at the next prompt", () => {
480 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, { ...env, CLAUDE_PLUGIN_DATA: env.CLAUDE_PLUGIN_DATA });
481 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, { ...env, FAKE_G1T_EXIT: "4" });
482 const first = hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "hi" }, env);
483 assert.match(first.output.systemMessage, /not signed in/);
484 const second = hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "hi" }, env);
485 assert.equal(second.output, null);
486 });
487
488 test("outside a g1t repository nothing happens", () => {
489 git("remote", "set-url", "origin", "https://example.com/acme/app.git");
490 const { output, job } = hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, env);
491 assert.equal(output, null);
492 assert.equal(job, null);
493 assert.equal(hook({ ...base, cwd: dir, hook_event_name: "Stop" }, env).job, null);
494 assert.deepEqual(calls(), []);
495 });
496
497 test("the script answers SessionStart on stdin quickly, as JSON", async () => {
498 const started = Date.now();
499 const out = spawnSync(process.execPath, [SCRIPT], {
500 input: JSON.stringify({ ...base, cwd: dir, hook_event_name: "SessionStart", source: "startup" }),
501 encoding: "utf8",
502 env: { ...process.env, ...env },
503 });
504 const took = Date.now() - started;
505 assert.equal(out.status, 0);
506 assert.match(JSON.parse(out.stdout).hookSpecificOutput.additionalContext, /issue #42/);
507 assert.ok(took < 3000, `took ${took} ms`);
508 // The detached half starts the session after the hook has returned.
509 const id = sessionFiles(base.session_id, env).id;
510 for (let i = 0; i < 100 && !existsSync(id); i++) await new Promise((done) => setTimeout(done, 50));
511 assert.equal(readFileSync(id, "utf8"), "ses_fake01");
512 await new Promise((done) => setTimeout(done, 200));
513 });
514
515 test("the script prints nothing for a prompt, and never fails on bad input", () => {
516 const prompt = spawnSync(process.execPath, [SCRIPT], {
517 input: JSON.stringify({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "hello" }),
518 encoding: "utf8",
519 env: { ...process.env, ...env },
520 });
521 assert.equal(prompt.status, 0);
522 assert.equal(prompt.stdout, "");
523 const bad = spawnSync(process.execPath, [SCRIPT], { input: "not json", encoding: "utf8", env: { ...process.env, ...env } });
524 assert.equal(bad.status, 0);
525 assert.equal(bad.stdout, "");
526 });
527
528 test("a CLI older than the plugin needs records nothing and says so once, with how to update it", () => {
529 const old = { ...env, FAKE_G1T_VERSION: "0.3.1" };
530 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, old);
531 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, old);
532 work(plan({ ...base, cwd: dir, hook_event_name: "Stop" }, old), old);
533 // SessionStart still asks it for the issue's context, which every CLI gives.
534 assert.deepEqual(calls().map((c) => c.args.join(" ")), ["work context 42"], "nothing is recorded with it");
535 assert.equal(allCalls().filter((c) => c.args[0] === "--version").length, 1, "the version is asked once for each build of the CLI");
536 const first = hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "hi" }, old);
537 assert.match(first.output.systemMessage, /g1t CLI is 0\.3\.1, and the plugin needs 0\.3\.2 or later/);
538 assert.match(first.output.systemMessage, /curl -fsSL https:\/\/g1t\.sh\/install \| sh/);
539 assert.match(first.output.systemMessage, /irm https:\/\/g1t\.sh\/install\.ps1 \| iex/);
540 assert.equal(hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "hi" }, old).output, null);
541 assert.equal(older("0.3.1", MIN_CLI), true);
542 assert.equal(older("0.3.2", MIN_CLI), false);
543 assert.equal(older("0.10.0", MIN_CLI), false);
544 assert.equal(older("1.0.0", MIN_CLI), false);
545 });
546
547 test("a CLI that refuses a command (exit 2) is said once, as one to update", () => {
548 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, env);
549 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, { ...env, FAKE_G1T_EXIT: "2" });
550 const first = hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "hi" }, env);
551 assert.match(first.output.systemMessage, /refused `g1t session start`/);
552 assert.match(first.output.systemMessage, /installer again/);
553 assert.equal(hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "hi" }, env).output, null);
554 });
555
556 test("the stand-in CLI refuses what the real one refuses", () => {
557 assert.equal(CONTRACT.minimum_version, MIN_CLI, "the hooks ask for the CLI the contract needs");
558 assert.match(refusal(["session", "log", "--kind", "tool-calls", "--", "x"]), /takes prompt, tool_call, skill/);
559 assert.match(refusal(["session", "log", "--kind", "note", "--", "x"]), /not note/, "the hooks never send a note");
560 assert.match(refusal(["session", "end", "--result", "- a list"]), /unexpected argument/);
561 assert.equal(refusal(["session", "end", "--result=- a list"]), null);
562 assert.match(refusal(["session", "touch"]), /needs one of/);
563 assert.match(refusal(["session", "heartbeat", "--now"]), /takes no --now/);
564 assert.match(refusal(["session", "start", "--harness", "claude-managed-agents", "--harness-session-id", "x"]), /takes claude_code/);
565 assert.match(refusal(["work", "context", "abc"]), /not abc/);
566 assert.match(refusal(["session", "pause"]), /takes 0 argument/);
567 assert.equal(refusal(["api", "update_session", "-f", "id=ses_1", "-f", "head_commit=abc", "--silent"]), null);
568 });
569
570 test("PowerShell commands are read as Bash ones are, and a subagent's act as its session", () => {
571 const ps = (command, extra = {}) => ({ ...base, cwd: dir, hook_event_name: "PostToolUse", tool_name: "PowerShell", tool_input: { command }, ...extra });
572 assert.equal(plan(ps("g1t work claim 42"), env).issue, 42);
573 assert.deepEqual(plan(ps("git checkout -b 42-fix; git status"), env).steps.at(-1), { args: ["session", "touch", "--branch", "42-fix"] });
574 assert.deepEqual(plan(ps("git commit -m x"), env).steps.at(-1), { touchHead: true });
575 assert.deepEqual(plan(ps("git push origin 42-fix"), env).steps.at(-1), { headCommit: true });
576 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, env);
577 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, env);
578 work(hook({ ...fixtures.subagentStart, cwd: dir }, env).job, env);
579 const pre = (tool_name, command) =>
580 hook({ ...base, cwd: dir, hook_event_name: "PreToolUse", agent_id: "agent-def456", agent_type: "Explore", tool_name, tool_input: { command } }, env).output;
581 assert.equal(pre("PowerShell", "g1t work claim 42").hookSpecificOutput.updatedInput.command, "$env:G1T_SESSION='ses_sub_def456'; g1t work claim 42");
582 assert.equal(pre("PowerShell", "g1t.exe session view").hookSpecificOutput.updatedInput.command, "$env:G1T_SESSION='ses_sub_def456'; g1t.exe session view");
583 assert.equal(pre("Bash", "echo $G1T_SESSION").hookSpecificOutput.updatedInput.command, "export G1T_SESSION=ses_sub_def456; echo $G1T_SESSION");
584 assert.equal(pre("PowerShell", "$env:G1T_SESSION='ses_other'; g1t work claim 42"), null, "a session the command sets itself is kept");
585 assert.equal(pre("PowerShell", "Get-ChildItem"), null, "other commands are left alone");
586 // The tool call is recorded as Claude wrote it.
587 const after = plan(ps("$env:G1T_SESSION='ses_sub_def456'; g1t work claim 42", { agent_id: "agent-def456" }), env);
588 assert.deepEqual(after.steps[0].args.at(-1), "PowerShell: g1t work claim 42");
589 assert.equal(summarizeTool("Bash", { command: "export G1T_SESSION=ses_1; g1t pr view" }), "Bash: g1t pr view");
590 });
591
592 test("a skill typed as /plugin:name is recorded once in its turn, however Claude Code then runs it", () => {
593 assert.equal(typedSkill("/g1t:work-on-issue 42"), "g1t:work-on-issue");
594 assert.equal(typedSkill("/g1t:status"), "g1t:status");
595 assert.equal(typedSkill("/clear"), null, "Claude Code's own commands are not skills");
596 assert.equal(typedSkill("look at /g1t:status"), null);
597 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, env);
598 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, env);
599 const typed = hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "/g1t:work-on-issue 42" }, env).job;
600 assert.deepEqual(typed.steps.map((s) => s.args.slice(0, 4)), [["session", "log", "--kind", "prompt"], ["session", "log", "--kind", "skill"]]);
601 work(typed, env);
602 const tool = hook({ ...base, cwd: dir, hook_event_name: "PostToolUse", tool_name: "Skill", tool_input: { skill: "g1t:work-on-issue", args: "42" } }, env).job;
603 work(tool, env);
604 const skills = calls().filter((c) => c.args.includes("skill"));
605 assert.equal(skills.length, 2);
606 assert.deepEqual(skills[0].args, ["session", "log", "--kind", "skill", "--key=skill:work-on-issue:1", "--", "g1t:work-on-issue"]);
607 assert.equal(skills[1].args[4], "--key=skill:work-on-issue:1", "the same key: g1t keeps the first");
608 // Another skill in the turn has a key of its own; the next prompt is another turn.
609 const next = hook({ ...base, cwd: dir, hook_event_name: "PostToolUse", tool_name: "Skill", tool_input: { skill: "g1t:coordinate" } }, env).job;
610 assert.equal(next.steps[0].key, "skill:coordinate:1");
611 hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "go on" }, { ...env, G1T_RECORD_PROMPTS: "0" });
612 const later = hook({ ...base, cwd: dir, hook_event_name: "PostToolUse", tool_name: "Skill", tool_input: { skill: "g1t:work-on-issue" } }, env).job;
613 assert.equal(later.steps[0].key, "skill:work-on-issue:2", "a turn whose prompt is not sent is still a turn");
614 // Prompts kept back: the typed skill's name is still recorded, the prompt is not.
615 const quiet = hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "/g1t:status" }, { ...env, G1T_RECORD_PROMPTS: "0" }).job;
616 assert.deepEqual(quiet.steps.map((s) => s.args.at(-1)), ["g1t:status"]);
617 });
618
619 test("with no issue in sight, Claude is told the session is recorded and when to open or claim one", () => {
620 git("symbolic-ref", "HEAD", "refs/heads/fix-previews");
621 const { output } = hook({ ...base, cwd: dir, hook_event_name: "SessionStart", source: "startup" }, env);
622 const context = output.hookSpecificOutput.additionalContext;
623 assert.match(context, /this session is recorded on g1t and shows to the team/);
624 assert.match(context, /Just work/);
625 assert.match(context, /`g1t work claim --title "…"`/);
626 assert.match(context, /Never open issues for questions, exploration or trivial fixes/);
627 assert.ok(context.length < 900, `injected every session, so short: ${context.length}`);
628 assert.ok(!calls().some((c) => c.args[0] === "work"), "no issue's context is asked for");
629 });
630
631 test("the session's first prompt with an intent titles it, once, and never over a title it has", () => {
632 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, env);
633 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, env);
634 const prompt = (text, more = {}) => hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: text }, { ...env, ...more }).job;
635 // A slash command says nothing of what the session is for.
636 work(prompt("/clear"), env);
637 assert.ok(!calls().some((c) => c.args[1] === "attach" || c.args[1] === "heartbeat"));
638 work(prompt("[TEST] fix the preview builds. They time out."), env);
639 const titled = calls().filter((c) => c.args[1] === "heartbeat" || c.args[1] === "attach");
640 assert.deepEqual(titled, [
641 { args: ["session", "heartbeat", "--json"], session: "ses_fake01" },
642 { args: ["session", "attach", "--title=[TEST] fix the preview builds"], session: "ses_fake01" },
643 ]);
644 // Later prompts do not try again.
645 const next = prompt("now the tests");
646 assert.ok(!next.steps.some((s) => s.title));
647 });
648
649 test("a session titled already keeps its title", () => {
650 hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, env);
651 work({ cwd: dir, sid: base.session_id, start: true, steps: [] }, env);
652 const job = hook({ ...base, cwd: dir, hook_event_name: "UserPromptSubmit", prompt: "fix the login" }, env).job;
653 work(job, { ...env, FAKE_G1T_TITLE: "Rewrite the auth flow" });
654 assert.ok(calls().some((c) => c.args[1] === "heartbeat"));
655 assert.ok(!calls().some((c) => c.args[1] === "attach"), "a title set before is never replaced");
656 });
657
658 test("Claude's own commands get the session's id once it has started", () => {
659 const envFile = join(dir, "env.sh");
660 const { job } = hook({ ...base, cwd: dir, hook_event_name: "SessionStart" }, { ...env, CLAUDE_ENV_FILE: envFile });
661 assert.ok(!existsSync(envFile), "nothing is written before the session's id is known");
662 work(job, env);
663 // A plain assignment: Claude Code gives it to PowerShell commands too.
664 assert.equal(readFileSync(envFile, "utf8"), "export G1T_SESSION=ses_fake01\n");
665 });
666
667 test("on a Node older than 18 nothing is recorded, and that is said once", () => {
668 const at = (hook_event_name) => ({ ...base, cwd: dir, hook_event_name });
669 assert.equal(oldNode(at("SessionStart"), env, "18.0.0"), undefined);
670 const first = oldNode(at("SessionStart"), env, "16.20.2");
671 assert.match(first.systemMessage, /need Node 18 or later, and `node` is v16\.20\.2/);
672 assert.equal(oldNode(at("UserPromptSubmit"), env, "16.20.2"), null);
673 assert.equal(oldNode(at("PostToolUse"), env, "16.20.2"), null);
674 assert.deepEqual(calls(), []);
675 });
676});