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1import assert from "node:assert/strict";
2import { test } from "node:test";
3
4import type { G1tEvent } from "@g1t/contracts";
5
6import {
7 type ActivityItem,
8 type Need,
9 DELETED_USER,
10 FEED_EVENT_TYPES,
11 PROJECT_FEED_EVENT_TYPES,
12 eventItem,
13 projectFeed,
14 pushItem,
15 actorIds,
16 ageBuckets,
17 dailyBuckets,
18 firstPassRate,
19 formatSpan,
20 greetingFor,
21 groupActivity,
22 hourIn,
23 issueToMerge,
24 median,
25 nameActor,
26 nextSeen,
27 pipelineStage,
28 queuedNumbers,
29 runHealth,
30 rankNeeds,
31 readCookie,
32 sparkPoints,
33 stuckMinutes,
34 waitedFor,
35} from "./mission.ts";
36
37const MIN = 60_000;
38const HOUR = 60 * MIN;
39const DAY = 24 * HOUR;
40const NOW = Date.parse("2026-10-04T18:00:00Z");
41
42test("a first visit has nothing to count from and starts the clock", () => {
43 assert.deepEqual(nextSeen(null, NOW), { since: null, value: `0.${NOW}` });
44 assert.deepEqual(nextSeen("garbage", NOW), { since: null, value: `0.${NOW}` });
45});
46
47test("views within a visit keep counting from the visit before", () => {
48 const visitStart = NOW - 5 * MIN;
49 const before = NOW - 3 * DAY;
50 assert.deepEqual(nextSeen(`${before}.${visitStart}`, NOW), { since: before, value: `${before}.${NOW}` });
51 // A first visit, refreshed: still nothing to count from.
52 assert.deepEqual(nextSeen(`0.${visitStart}`, NOW), { since: null, value: `0.${NOW}` });
53});
54
55test("a long gap starts a new visit, counting from the last view", () => {
56 const last = NOW - 2 * HOUR;
57 assert.deepEqual(nextSeen(`${NOW - DAY}.${last}`, NOW), { since: last, value: `${last}.${NOW}` });
58});
59
60test("a cookie from the future is ignored", () => {
61 assert.equal(nextSeen(`0.${NOW + DAY}`, NOW).since, null);
62});
63
64test("cookies are read by name", () => {
65 assert.equal(readCookie("a=1; g1t_seen=0.5; b=2", "g1t_seen"), "0.5");
66 assert.equal(readCookie("g1t_tz=America%2FLos_Angeles", "g1t_tz"), "America/Los_Angeles");
67 assert.equal(readCookie(null, "x"), null);
68 assert.equal(readCookie("x=1", "y"), null);
69});
70
71test("greetings follow the hour, in the viewer's zone", () => {
72 assert.equal(greetingFor(8), "Good morning");
73 assert.equal(greetingFor(13), "Good afternoon");
74 assert.equal(greetingFor(20), "Good evening");
75 assert.equal(greetingFor(2), "Good evening");
76 assert.equal(hourIn(NOW, "UTC"), 18);
77 assert.equal(hourIn(NOW, "America/Los_Angeles"), 11);
78 assert.equal(hourIn(NOW, "Not/AZone"), 18);
79});
80
81const repo = { namespace: "acme", name: "api" };
82const item = (id: string, at: number, actor: string | null, verb: ActivityItem["verb"], number: number | null, other = repo): ActivityItem => ({
83 id,
84 at,
85 repo: other,
86 actor,
87 verb,
88 number,
89});
90
91test("one person's burst in one project reads as one line", () => {
92 const groups = groupActivity([
93 item("1", NOW, "g1t", "landed", 4),
94 item("2", NOW - 5 * MIN, "g1t", "started", 5),
95 item("3", NOW - 10 * MIN, "g1t", "started", 6),
96 item("4", NOW - 12 * MIN, "g1t", "landed", 3),
97 item("5", NOW - 20 * MIN, "ana", "opened_issue", 7),
98 item("6", NOW - 25 * MIN, "g1t", "landed", 2),
99 ]);
100 assert.equal(groups.length, 3);
101 assert.equal(groups[0].count, 4);
102 assert.deepEqual(groups[0].parts.map((p) => [p.verb, p.numbers]), [
103 ["landed", [4, 3]],
104 ["started", [5, 6]],
105 ]);
106 assert.equal(groups[0].from, NOW - 12 * MIN);
107 assert.equal(groups[1].actor, "ana");
108});
109
110test("a burst breaks across projects and long gaps", () => {
111 const other = { namespace: "acme", name: "web" };
112 const groups = groupActivity([
113 item("1", NOW, "g1t", "landed", 1),
114 item("2", NOW - MIN, "g1t", "landed", 2, other),
115 item("3", NOW - 2 * HOUR, "g1t", "landed", 3, other),
116 ]);
117 assert.equal(groups.length, 3);
118});
119
120test("needs are ranked by urgency, then by how long they waited", () => {
121 const need = (key: string, kind: Need["kind"], at: number): Need => ({ key, kind, at, title: key, detail: "", to: "/", action: "Open", where: null });
122 const ranked = rankNeeds([
123 need("r1", "review", NOW - HOUR),
124 need("d", "deploy", NOW),
125 need("r2", "review", NOW - DAY),
126 need("r2", "review", NOW - DAY),
127 ]);
128 assert.deepEqual(ranked.map((n) => n.key), ["d", "r2", "r1"]);
129});
130
131test("a running run quiet for ten minutes is stuck", () => {
132 assert.equal(stuckMinutes({ status: "running", updatedAt: new Date(NOW - 14 * MIN).toISOString() }, NOW), 14);
133 assert.equal(stuckMinutes({ status: "running", updatedAt: new Date(NOW - 2 * MIN).toISOString() }, NOW), null);
134 assert.equal(stuckMinutes({ status: "queued", updatedAt: new Date(NOW - HOUR).toISOString() }, NOW), null);
135});
136
137test("daily buckets put each point on its day, oldest first", () => {
138 const buckets = dailyBuckets(
139 [{ at: NOW }, { at: NOW - DAY }, { at: NOW - DAY, value: 2 }, { at: NOW - 10 * DAY }],
140 7,
141 NOW,
142 );
143 assert.deepEqual(buckets, [0, 0, 0, 0, 0, 3, 1]);
144});
145
146test("median, pass rates and spans", () => {
147 assert.equal(median([]), null);
148 assert.equal(median([3, 1, 2]), 2);
149 assert.equal(median([4, 1, 2, 3]), 2.5);
150 const rate = firstPassRate([
151 { repo: "a", number: 1, at: 2, passed: true },
152 { repo: "a", number: 1, at: 1, passed: false },
153 { repo: "a", number: 2, at: 1, passed: true },
154 ]);
155 assert.deepEqual(rate, { rate: 0.5, of: 2 });
156 assert.deepEqual(firstPassRate([]), { rate: null, of: 0 });
157 // Workflow runs: cancelled, skipped and unfinished ones don't count; a pass on a second attempt isn't a first-try pass.
158 const runs = runHealth([
159 { attempt: 1, status: "completed", conclusion: "success" },
160 { attempt: 2, status: "completed", conclusion: "success" },
161 { attempt: 1, status: "completed", conclusion: "failure" },
162 { attempt: 1, status: "completed", conclusion: "cancelled" },
163 { attempt: 1, status: "in_progress", conclusion: null },
164 ]);
165 assert.equal(runs.checkRuns, 3);
166 assert.equal(runs.passRate, 2 / 3);
167 assert.deepEqual(runs.firstPass, { rate: 1 / 3, of: 3 });
168 assert.deepEqual(runHealth([]), { passRate: null, firstPass: { rate: null, of: 0 }, checkRuns: 0 });
169 assert.equal(formatSpan(null), "—");
170 assert.equal(formatSpan(30 * MIN), "30m");
171 assert.equal(formatSpan(5 * HOUR), "5h");
172 assert.equal(formatSpan(2 * DAY + 4 * HOUR), "2d 4h");
173});
174
175test("issue to merge pairs a merge with the issue it resolved", () => {
176 const spans = issueToMerge(
177 [{ repo: "a", number: 1, at: 100 }, { repo: "b", number: 1, at: 50 }],
178 [{ repo: "a", issue: 1, at: 400 }, { repo: "a", issue: null, at: 500 }, { repo: "c", issue: 1, at: 900 }],
179 );
180 assert.deepEqual(spans, [300]);
181});
182
183test("sparkline points span the box, zero on the floor", () => {
184 assert.deepEqual(sparkPoints([], 100, 20), []);
185 const points = sparkPoints([0, 5, 10], 100, 20, 2);
186 assert.deepEqual(points, [
187 [2, 18],
188 [50, 10],
189 [98, 2],
190 ]);
191 assert.deepEqual(sparkPoints([0, 0], 10, 10, 1), [
192 [1, 9],
193 [9, 9],
194 ]);
195 assert.deepEqual(sparkPoints([3], 10, 10, 1), [[5, 1]]);
196});
197
198test("a pull request's place in the pipeline", () => {
199 const queued = queuedNumbers([
200 { number: 9, state: "waiting" },
201 { number: 8, state: "landed" },
202 ]);
203 assert.equal(pipelineStage({ status: "merged", checkStatus: null, number: 1 }, undefined, queued), "landed");
204 assert.equal(pipelineStage({ status: "open", checkStatus: "passed", number: 9 }, undefined, queued), "queue");
205 assert.equal(pipelineStage({ status: "draft", checkStatus: null, number: 2 }, undefined, queued), "working");
206 assert.equal(pipelineStage({ status: "open", checkStatus: "running", number: 3 }, undefined, queued), "checking");
207 assert.equal(pipelineStage({ status: "open", checkStatus: "passed", number: 4 }, { kind: "revise" }, queued), "working");
208 assert.equal(pipelineStage({ status: "open", checkStatus: "passed", number: 5 }, { kind: "review" }, queued), "reviewing");
209 assert.equal(pipelineStage({ status: "open", checkStatus: "failed", number: 6 }, undefined, queued), "reviewing");
210});
211
212test("open issues by age", () => {
213 const buckets = ageBuckets(
214 [new Date(NOW - HOUR).toISOString(), new Date(NOW - 3 * DAY).toISOString(), new Date(NOW - 90 * DAY).toISOString()],
215 NOW,
216 );
217 assert.deepEqual(buckets.map((b) => b.count), [1, 1, 0, 1]);
218});
219
220test("the feed names people, not account ids", () => {
221 const actors = ["usr_b51a1a09", "g1t", null, "usr_b51a1a09", "usr_g1t_agent", "g1t_policy", "usr_gone"];
222 assert.deepEqual(actorIds(actors), ["usr_b51a1a09", "usr_gone"]);
223 const names = { usr_b51a1a09: "syntaqx" };
224 assert.equal(nameActor("usr_b51a1a09", names), "syntaqx");
225 assert.equal(nameActor("ada", names), "ada");
226 assert.equal(nameActor(null, names), null);
227 assert.equal(nameActor("usr_g1t_agent", names), "g1t");
228 // Unknown to the lookup: the account is gone. No lookup at all: only "someone".
229 assert.equal(nameActor("usr_gone", names), DELETED_USER);
230 assert.equal(nameActor("usr_gone", null), "someone");
231});
232
233test("waits read in the largest whole unit", () => {
234 assert.equal(waitedFor(0), "0 min");
235 assert.equal(waitedFor(45.7), "45 min");
236 assert.equal(waitedFor(60), "1 h");
237 assert.equal(waitedFor(1022), "17 h");
238 assert.equal(waitedFor(24 * 60), "1 d");
239 assert.equal(waitedFor(3 * 24 * 60 - 1), "2 d");
240});
241
242// --- A project's feed -----------------------------------------------------------
243
244const REPO = { namespace: "flagon-io", name: "g1t" };
245const event = (type: string, data: Record<string, unknown>, id = `evt_${type}`, actor: string | null = "usr_ada"): G1tEvent =>
246 ({ id, type, source: "test", time: "2026-10-08T12:00:00Z", repoId: "rep_1", actor, data }) as unknown as G1tEvent;
247const deployment = (state: string, production = true) =>
248 event("deployment_status.created", {
249 repoId: "rep_1",
250 deployment: { id: "dep_9", environment: production ? "production" : "preview", production_environment: production },
251 deploymentStatus: { state },
252 });
253
254test("the feed asks the log only for the kinds it shows, and pushes for one project", () => {
255 for (const type of ["session.appended", "queue.changed", "pull.updated", "pull.mergecheck", "workflow.completed"]) {
256 assert.ok(!(PROJECT_FEED_EVENT_TYPES as readonly string[]).includes(type), type);
257 }
258 assert.ok((PROJECT_FEED_EVENT_TYPES as readonly string[]).includes("git.push"));
259 assert.ok(!(FEED_EVENT_TYPES as readonly string[]).includes("git.push"));
260 // Every kind asked for makes a line of some events.
261 for (const type of FEED_EVENT_TYPES) assert.ok(type.includes("."), type);
262});
263
264test("a production deploy that finished is a line, linked to it on the current path", () => {
265 const up = eventItem(deployment("success"), REPO);
266 assert.equal(up?.verb, "deployed");
267 assert.equal(up?.to, "/flagon-io/g1t/deployments/dep_9");
268 assert.equal(eventItem(deployment("failure"), REPO)?.verb, "deploy_failed");
269 assert.equal(eventItem(deployment("in_progress"), REPO), null);
270 assert.equal(eventItem(deployment("success", false), REPO), null);
271});
272
273test("a project's feed has its pushes to the default branch, but not the ones that only landed a pull request", () => {
274 const events = [
275 event("pull.merged", { pullId: "pul_1", repoId: "rep_1", number: 5, commit: "aaaaaaa1111" }, "evt_1"),
276 event("git.push", { repoId: "rep_1", ref: "refs/heads/main", after: "aaaaaaa1111", defaultBranch: true }, "evt_2"),
277 event("git.push", { repoId: "rep_1", ref: "refs/heads/main", after: "bbbbbbb2222", defaultBranch: true }, "evt_3"),
278 event("git.push", { repoId: "rep_1", ref: "refs/heads/topic", after: "ccccccc3333", defaultBranch: false }, "evt_4"),
279 event("session.appended", { repoId: "rep_1", number: 5 }, "evt_5"),
280 ];
281 const feed = projectFeed(events, REPO);
282 assert.deepEqual(
283 feed.map((item) => [item.verb, item.text ?? item.number]),
284 [
285 ["landed", 5],
286 ["pushed", "bbbbbbb"],
287 ],
288 );
289 assert.equal(feed[1]?.to, "/flagon-io/g1t/commit/bbbbbbb2222");
290 assert.equal(pushItem(events[4]!, REPO, new Set()), null);
291});