vercel__streamdown/.github/workflows/actions/verify-changesets/test.js

import assert from "node:assert/strict";
import { mock, test } from "node:test";

import { verifyChangesets } from "./index.js";

test("happy path", async () => {
  const event = {
    pull_request: {
      labels: [],
    },
  };
  const env = {
    CHANGED_FILES: ".changeset/some-happy-path.md",
  };

  const readFile = mock.fn(
    async (_path) =>
      "---\nai: patch\n@ai-sdk/provider: patch\n---\n## Test changeset"
  );

  await verifyChangesets(event, env, readFile);

  assert.strictEqual(readFile.mock.callCount(), 1);
  assert.deepStrictEqual(readFile.mock.calls[0].arguments, [
    "../../../../.changeset/some-happy-path.md",
    "utf-8",
  ]);
});

test("allows numbers in changeset filename", async () => {
  const event = {
    pull_request: {
      labels: [],
    },
  };
  const env = {
    CHANGED_FILES: ".changeset/fix-icons-aria-hidden.md",
  };

  const readFile = mock.fn(
    async (_path) =>
      "---\nai: patch\n@ai-sdk/provider: patch\n---\n## Test changeset"
  );

  await verifyChangesets(event, env, readFile);

  assert.strictEqual(readFile.mock.callCount(), 1);
  assert.deepStrictEqual(readFile.mock.calls[0].arguments, [
    "../../../../.changeset/fix-icons-aria-hidden.md",
    "utf-8",
  ]);
});

test("ignores .changeset/README.md", async () => {
  const event = {
    pull_request: {
      labels: [],
    },
  };
  const env = {
    CHANGED_FILES: ".changeset/README.md",
  };

  const readFile = mock.fn(() => {
    // Intentionally empty for testing ignore behavior
  });

  await verifyChangesets(event, env, readFile);

  assert.strictEqual(readFile.mock.callCount(), 0);
});

test("invalid file - not a .changeset file", async () => {
  const event = {
    pull_request: {
      labels: [],
    },
  };
  const env = {
    CHANGED_FILES: ".changeset/not-a-changeset-file.txt",
  };

  const readFile = mock.fn(() => {
    // Intentionally empty for testing validation error
  });

  await assert.rejects(
    () => verifyChangesets(event, env, readFile),
    Object.assign(new Error("Invalid file - not a .changeset file"), {
      path: ".changeset/not-a-changeset-file.txt",
    })
  );

  assert.strictEqual(readFile.mock.callCount(), 0);
});

test("invalid .changeset file - no frontmatter", async () => {
  const event = {
    pull_request: {
      labels: [],
    },
  };
  const env = {
    CHANGED_FILES: ".changeset/invalid-changeset-file.md",
  };

  const readFile = mock.fn(async (_path) => "frontmatter missing");
  await assert.rejects(
    () => verifyChangesets(event, env, readFile),
    Object.assign(new Error("Invalid .changeset file - no frontmatter found"), {
      path: ".changeset/invalid-changeset-file.md",
      content: "frontmatter missing",
    })
  );
  assert.strictEqual(readFile.mock.callCount(), 1);
  assert.deepStrictEqual(readFile.mock.calls[0].arguments, [
    "../../../../.changeset/invalid-changeset-file.md",
    "utf-8",
  ]);
});

test("minor update", async () => {
  const event = {
    pull_request: {
      labels: [],
    },
  };
  const env = {
    CHANGED_FILES: ".changeset/patch-update.md .changeset/minor-update.md",
  };

  const readFile = mock.fn((path) => {
    if (path.endsWith("patch-update.md")) {
      return Promise.resolve("---\nai: patch\n---\n## Test changeset");
    }

    return Promise.resolve(
      "---\n@ai-sdk/provider: minor\n---\n## Test changeset"
    );
  });

  await assert.rejects(
    () => verifyChangesets(event, env, readFile),
    Object.assign(
      new Error(
        `Invalid .changeset file - invalid version bump (only "patch" is allowed, see https://ai-sdk.dev/docs/migration-guides/versioning). To bypass, add one of the following labels: minor, major`
      ),
      {
        path: ".changeset/minor-update.md",
        content: "---\n@ai-sdk/provider: minor\n---\n## Test changeset",
      }
    )
  );

  assert.strictEqual(readFile.mock.callCount(), 2);
  assert.deepStrictEqual(readFile.mock.calls[0].arguments, [
    "../../../../.changeset/patch-update.md",
    "utf-8",
  ]);
  assert.deepStrictEqual(readFile.mock.calls[1].arguments, [
    "../../../../.changeset/minor-update.md",
    "utf-8",
  ]);
});

test('minor update - with "minor" label', async () => {
  const event = {
    pull_request: {
      labels: [
        {
          name: "minor",
        },
      ],
    },
  };
  const env = {
    CHANGED_FILES: ".changeset/patch-update.md .changeset/minor-update.md",
  };

  const readFile = mock.fn((path) => {
    if (path.endsWith("patch-update.md")) {
      return Promise.resolve("---\nai: patch\n---\n## Test changeset");
    }

    return Promise.resolve(
      "---\n@ai-sdk/provider: minor\n---\n## Test changeset"
    );
  });

  const message = await verifyChangesets(event, env, readFile);
  assert.strictEqual(
    message,
    'Skipping changeset verification - "minor" label found'
  );
});

test('major update - with "major" label', async () => {
  const event = {
    pull_request: {
      labels: [
        {
          name: "major",
        },
      ],
    },
  };
  const env = {
    CHANGED_FILES: ".changeset/patch-update.md .changeset/major-update.md",
  };

  const readFile = mock.fn((path) => {
    if (path.endsWith("patch-update.md")) {
      return Promise.resolve("---\nai: patch\n---\n## Test changeset");
    }

    return Promise.resolve(
      "---\n@ai-sdk/provider: major\n---\n## Test changeset"
    );
  });

  const message = await verifyChangesets(event, env, readFile);
  assert.strictEqual(
    message,
    'Skipping changeset verification - "major" label found'
  );
});