const { editSlackMessage } = await import("./actions.js");

const SLACK_TEXT_LIMIT = 8000;

function readFirstChatUpdatePayload(client: ReturnType<typeof createSlackEditTestClient>): {

text?: string;

} {

const [call] = client.chat.update.mock.calls;

if (!call) {

throw new Error("expected Slack chat.update call");

}

const [payload] = call;

if (!payload || typeof payload !== "object") {

throw new Error("expected Slack chat.update payload");

}

return payload as { text?: string };

}

describe("editSlackMessage blocks", () => {

it("updates with valid blocks", async () => {

const client = createSlackEditTestClient();

text: `${longContextText} ${longContextText} ${"a".repeat(SLACK_TEXT_LIMIT - longContextText.length * 2 - 3)}…`,

blocks,

});

expect(client.chat.update.mock.calls[0]?.[0].text).toHaveLength(SLACK_TEXT_LIMIT);

expect(readFirstChatUpdatePayload(client).text).toHaveLength(SLACK_TEXT_LIMIT);

});

it("rejects empty blocks arrays", async () => {