Files
kuber/tests/command/logs.test.ts
T

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import { describe, expect, test } from "bun:test";
import {
parseLogTailLines,
runLogs,
type LogApiEvent,
type LogEventWriter,
type LogsApiStream,
} from "../../command/logs";
describe("logs API command runner", () => {
test("uses the authenticated workspace NDJSON route and preserves prefixes", async () => {
const calls: Array<{
path: string;
signal?: AbortSignal;
timeout?: number;
}> = [];
const events: LogApiEvent[] = [
{ type: "heartbeat", timestamp: "now" },
{
type: "log",
targetName: "web",
pod: "web-1",
container: "web",
message: "ready",
},
{
type: "error",
pod: "web-1",
container: "web",
message: "disconnected",
retryable: true,
},
];
const stream: LogsApiStream = async function* (path, init, options) {
calls.push({
path,
signal: init?.signal ?? undefined,
timeout: options?.timeoutMs,
});
yield* events as never[];
};
const output: Parameters<LogEventWriter>[] = [];
const controller = new AbortController();
await runLogs(
"shop/demo",
"web api",
true,
controller.signal,
stream,
(...entry) => output.push(entry),
);
expect(calls).toEqual([
{
path: "/workspaces/shop%2Fdemo/logs?service=web+api&follow=true",
signal: controller.signal,
timeout: 0,
},
]);
expect(output).toEqual([
["web-1", "ready", false],
["web api", "disconnected", true],
]);
});
test("omits follow for finite collection and passes cancellation", async () => {
const controller = new AbortController();
let receivedSignal: AbortSignal | null | undefined;
const stream: LogsApiStream = async function* (path, init, options) {
expect(path).toBe("/workspaces/shop/logs");
expect(options?.timeoutMs).toBeUndefined();
receivedSignal = init?.signal;
yield* [];
};
await runLogs(
"shop",
undefined,
false,
controller.signal,
stream,
() => {},
);
expect(receivedSignal).toBe(controller.signal);
});
test.each([false, true])("sends -n with follow=%s", async (follow) => {
const paths: string[] = [];
const stream: LogsApiStream = async function* (path, _init, options) {
paths.push(path);
expect(options?.timeoutMs).toBe(follow ? 0 : undefined);
yield* [] as never[];
};
await runLogs("shop", "web", follow, undefined, stream, () => {}, 0);
expect(paths).toEqual([
`/workspaces/shop/logs?service=web${follow ? "&follow=true" : ""}&tailLines=0`,
]);
});
test("accepts only non-negative safe integer line counts", async () => {
expect(parseLogTailLines("25")).toBe(25);
expect(parseLogTailLines("0")).toBe(0);
for (const invalid of ["-1", "1.5", "2abc", "", "1e3", "9007199254740992"])
expect(() => parseLogTailLines(invalid)).toThrow("non-negative integer");
let called = false;
const stream: LogsApiStream = async function* () {
called = true;
yield* [] as never[];
};
await expect(
runLogs("shop", undefined, false, undefined, stream, () => {}, -1),
).rejects.toThrow("non-negative integer");
expect(called).toBe(false);
});
});