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|
import { transformer } from "../src/transforms/add-package-manager";
import { setupTestFixtures } from "@turbo/test-utils";
import fs from "fs-extra";
import * as getPackageManager from "../src/utils/getPackageManager";
import * as getPackageManagerVersion from "../src/utils/getPackageManagerVersion";
describe("add-package-manager", () => {
const { useFixture } = setupTestFixtures({
directory: __dirname,
test: "add-package-manager",
});
test("no package manager - basic", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "no-package-manager" });
const packageManager = "pnpm";
const packageManagerVersion = "1.2.3";
// mock out workspace and version detection so we're not dependent on our actual repo
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockReturnValue(packageManagerVersion);
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(packageManager);
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// run the transformer
const result = transformer({
root,
options: { force: false, dry: false, print: false },
});
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
expect(mockGetPackageManagerVersion).toHaveBeenCalledWith(
packageManager,
root
);
// package manager should now exist
expect(JSON.parse(read("package.json") || "{}").packageManager).toBe(
`${packageManager}@${packageManagerVersion}`
);
// result should be correct
expect(result.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "modified",
"additions": 1,
"deletions": 0,
},
}
`);
mockGetPackageManagerVersion.mockRestore();
mockGetPackageManager.mockRestore();
});
test("no package manager - repeat run", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "no-package-manager" });
const packageManager = "pnpm";
const packageManagerVersion = "1.2.3";
// mock out workspace and version detection so we're not dependent on our actual repo
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockReturnValue(packageManagerVersion);
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(packageManager);
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// run the transformer
const result = transformer({
root,
options: { force: false, dry: false, print: false },
});
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
expect(mockGetPackageManagerVersion).toHaveBeenCalled();
expect(mockGetPackageManagerVersion).toHaveBeenCalledWith(
packageManager,
root
);
// package manager should now exist
expect(JSON.parse(read("package.json") || "{}").packageManager).toBe(
`${packageManager}@${packageManagerVersion}`
);
// result should be correct
expect(result.fatalError).toBeUndefined();
expect(result.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "modified",
"additions": 1,
"deletions": 0,
},
}
`);
// run the transformer again to ensure nothing changes on a second run
const repeatResult = transformer({
root,
options: { force: false, dry: false, print: false },
});
expect(repeatResult.fatalError).toBeUndefined();
expect(repeatResult.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "unchanged",
"additions": 0,
"deletions": 0,
},
}
`);
mockGetPackageManagerVersion.mockRestore();
mockGetPackageManager.mockRestore();
});
test("no package manager - dry", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "no-package-manager" });
const packageManager = "npm";
const packageManagerVersion = "1.2.3";
// mock out workspace and version detection so we're not dependent on our actual repo
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockReturnValue(packageManagerVersion);
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(packageManager);
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// run the transformer
const result = transformer({
root,
options: { force: false, dry: true, print: false },
});
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
expect(mockGetPackageManagerVersion).toHaveBeenCalledWith(
packageManager,
root
);
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// result should be correct
expect(result.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "skipped",
"additions": 1,
"deletions": 0,
},
}
`);
mockGetPackageManagerVersion.mockRestore();
});
test("no package manager - print", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "no-package-manager" });
const packageManager = "yarn";
const packageManagerVersion = "1.2.3";
// mock out workspace and version detection so we're not dependent on our actual repo
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockReturnValue(packageManagerVersion);
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(packageManager);
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// run the transformer
const result = transformer({
root,
options: { force: false, dry: false, print: true },
});
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
expect(mockGetPackageManagerVersion).toHaveBeenCalledWith(
packageManager,
root
);
// package manager should now exist
expect(JSON.parse(read("package.json") || "{}").packageManager).toBe(
`${packageManager}@${packageManagerVersion}`
);
// result should be correct
expect(result.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "modified",
"additions": 1,
"deletions": 0,
},
}
`);
mockGetPackageManagerVersion.mockRestore();
});
test("no package manager - dry & print", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "no-package-manager" });
const packageManager = "npm";
const packageManagerVersion = "1.2.3";
// mock out workspace and version detection so we're not dependent on our actual repo
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockReturnValue(packageManagerVersion);
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(packageManager);
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// run the transformer
const result = transformer({
root,
options: { force: false, dry: true, print: true },
});
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
expect(mockGetPackageManagerVersion).toHaveBeenCalledWith(
packageManager,
root
);
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// result should be correct
expect(result.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "skipped",
"additions": 1,
"deletions": 0,
},
}
`);
mockGetPackageManagerVersion.mockRestore();
mockGetPackageManager.mockRestore();
});
test("package manager already exists", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "has-package-manager" });
const packageManager = "npm";
const packageManagerVersion = "1.2.3";
// mock out workspace and version detection so we're not dependent on our actual repo
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockReturnValue(packageManagerVersion);
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(packageManager);
// package manager should exist
expect(JSON.parse(read("package.json") || "{}").packageManager).toBe(
`${packageManager}@${packageManagerVersion}`
);
// run the transformer
const result = transformer({
root,
options: { force: false, dry: false, print: false },
});
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
expect(mockGetPackageManagerVersion).toHaveBeenCalledWith(
packageManager,
root
);
// package manager should still exist
expect(JSON.parse(read("package.json") || "{}").packageManager).toBe(
`${packageManager}@${packageManagerVersion}`
);
// result should be correct
expect(result.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "unchanged",
"additions": 0,
"deletions": 0,
},
}
`);
mockGetPackageManagerVersion.mockRestore();
mockGetPackageManager.mockRestore();
});
test("package manager exists but is wrong", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "wrong-package-manager" });
const packageManager = "pnpm";
const packageManagerVersion = "1.2.3";
// mock out workspace and version detection so we're not dependent on our actual repo
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockReturnValue(packageManagerVersion);
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(packageManager);
// package manager should exist
expect(JSON.parse(read("package.json") || "{}").packageManager).toBe(
"turbo@1.7.0"
);
// run the transformer
const result = transformer({
root,
options: { force: false, dry: false, print: false },
});
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
expect(mockGetPackageManagerVersion).toHaveBeenCalledWith(
packageManager,
root
);
// package manager should still exist
expect(JSON.parse(read("package.json") || "{}").packageManager).toBe(
`${packageManager}@${packageManagerVersion}`
);
// result should be correct
expect(result.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "modified",
"additions": 1,
"deletions": 1,
},
}
`);
mockGetPackageManagerVersion.mockRestore();
mockGetPackageManager.mockRestore();
});
test("errors when unable to determine workspace manager", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "no-package-manager" });
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(undefined);
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// run the transformer
const result = transformer({
root,
options: { force: false, dry: false, print: false },
});
expect(mockGetPackageManager).toHaveBeenCalledTimes(1);
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
// result should be correct
// result should be correct
expect(result.fatalError?.message).toMatch(
/Unable to determine package manager for .*?/
);
mockGetPackageManager.mockRestore();
});
test("errors when unable to determine package manager", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "no-package-manager" });
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockImplementation(() => {
throw new Error("package manager not supported");
});
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// run the transformer
const result = transformer({
root,
options: { force: false, dry: false, print: false },
});
expect(mockGetPackageManagerVersion).toHaveBeenCalledTimes(1);
// result should be correct
expect(result.fatalError?.message).toMatch(
/Unable to determine package manager version for .*?/
);
mockGetPackageManagerVersion.mockRestore();
});
test("errors when unable to write json", () => {
// load the fixture for the test
const { root, read } = useFixture({ fixture: "no-package-manager" });
const packageManager = "pnpm";
const packageManagerVersion = "1.2.3";
// mock out workspace and version detection so we're not dependent on our actual repo
const mockGetPackageManagerVersion = jest
.spyOn(getPackageManagerVersion, "default")
.mockReturnValue(packageManagerVersion);
const mockGetPackageManager = jest
.spyOn(getPackageManager, "default")
.mockReturnValue(packageManager);
const mockWriteJsonSync = jest
.spyOn(fs, "writeJsonSync")
.mockImplementation(() => {
throw new Error("could not write file");
});
// package manager should not exist
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// run the transformer
const result = transformer({
root,
options: { force: false, dry: false, print: false },
});
expect(mockGetPackageManager).toHaveBeenCalledWith({ directory: root });
expect(mockGetPackageManagerVersion).toHaveBeenCalledWith(
packageManager,
root
);
// package manager should still not exist (we couldn't write it)
expect(
JSON.parse(read("package.json") || "{}").packageManager
).toBeUndefined();
// result should be correct
expect(result.fatalError?.message).toMatch(
"Encountered an error while transforming files"
);
expect(result.changes).toMatchInlineSnapshot(`
Object {
"package.json": Object {
"action": "error",
"additions": 1,
"deletions": 0,
"error": [Error: could not write file],
},
}
`);
mockWriteJsonSync.mockRestore();
mockGetPackageManagerVersion.mockRestore();
mockGetPackageManager.mockRestore();
});
});
|