pnpm/pkg-manager/plugin-commands-installation/test/getOptionsFromRootManifest.test.ts

import { getOptionsFromRootManifest } from '../lib/getOptionsFromRootManifest'

test('getOptionsFromRootManifest() should read "resolutions" field for compatibility with Yarn', () => {
  const options = getOptionsFromRootManifest({
    resolutions: {
      foo: '1.0.0',
    },
  })
  expect(options.overrides).toStrictEqual({ foo: '1.0.0' })
})

test('getOptionsFromRootManifest() should read "overrides" field', () => {
  const options = getOptionsFromRootManifest({
    pnpm: {
      overrides: {
        foo: '1.0.0',
      },
    },
  })
  expect(options.overrides).toStrictEqual({ foo: '1.0.0' })
})

test('getOptionsFromRootManifest() Support $ in overrides by dependencies', () => {
  const options = getOptionsFromRootManifest({
    dependencies: {
      foo: '1.0.0',
    },
    pnpm: {
      overrides: {
        foo: '$foo',
      },
    },
  })
  expect(options.overrides).toStrictEqual({ foo: '1.0.0' })
})

test('getOptionsFromRootManifest() Support $ in overrides by devDependencies', () => {
  const options = getOptionsFromRootManifest({
    devDependencies: {
      foo: '1.0.0',
    },
    pnpm: {
      overrides: {
        foo: '$foo',
      },
    },
  })
  expect(options.overrides).toStrictEqual({ foo: '1.0.0' })
})

test('getOptionsFromRootManifest() Support $ in overrides by dependencies and devDependencies', () => {
  const options = getOptionsFromRootManifest({
    dependencies: {
      foo: '1.0.0',
    },
    devDependencies: {
      foo: '2.0.0',
    },
    pnpm: {
      overrides: {
        foo: '$foo',
      },
    },
  })
  expect(options.overrides).toStrictEqual({ foo: '1.0.0' })
})

test('getOptionsFromRootManifest() throws an error if cannot resolve an override version reference', () => {
  expect(() => getOptionsFromRootManifest({
    dependencies: {
      bar: '1.0.0',
    },
    pnpm: {
      overrides: {
        foo: '$foo',
      },
    },
  })).toThrow('Cannot resolve version $foo in overrides. The direct dependencies don\'t have dependency "foo".')
})