babel-plugin-root-require/test/does-not-transform.js

Transforms require module paths that have a prefix referring to the project root. Also works on `require.resolve`.

const test = require('tape')
const {transform} = require('babel-core')
const plugin = require('../')
const plugins = [plugin]

test('does not transform other functions', t => {
  t.plan(1)
  const code = 'foo("bar");'
  const result = transform(code, {
    plugins
  })
  t.equal(result.code, code)
})

test('does not transform require when there is no argument to require', t => {
  t.plan(1)
  const code = 'require();'
  const result = transform(code, {
    plugins
  })
  t.equal(result.code, code)
})

test('does not transform require when code is not from a file', t => {
  t.plan(1)
  const code = 'require("./foo");'
  const result = transform(code, {
    plugins
  })
  t.equal(result.code, code)
})

test('does not transform require when starts with variable', t => {
  t.plan(1)
  const code = 'require(myVar + "/foo");'
  const result = transform(code, {
    filename: 'foo/bar.js',
    plugins
  })
  t.equal(result.code, code)
})

test('does not transform require when path is not prefixed', t => {
  t.plan(1)
  const code = 'require("./foo");'
  const result = transform(code, {
    filename: 'foo/bar.js',
    plugins
  })
  t.equal(result.code, code)
})

test('does not transform prefix followed by character that is not a slash', t => {
  t.plan(1)
  const code = 'require("~foo");'
  const result = transform(code, {
    filename: 'foo/bar.js',
    plugins
  })
  t.equal(result.code, code)
})

test('does not transform resolve function that is not an object property', t => {
  t.plan(1)
  const result = transform('resolve("~/foo");', {
    filename: 'file.js',
    plugins
  })
  t.equal(result.code, 'resolve("~/foo");')
})

test('does not transform resolve function when it is a property of a different object', t => {
  t.plan(1)
  const result = transform('notRequire.resolve("~/foo");', {
    filename: 'file.js',
    plugins
  })
  t.equal(result.code, 'notRequire.resolve("~/foo");')
})

test('does not transform require that is not the global require', t => {
  t.plan(1)
  const code = 'const require = () => {};\nrequire("~/foo");'
  const result = transform(code, {
    filename: 'file.js',
    plugins
  })
  t.equal(result.code, code)
})

test('does not transform require.resolve that is not the global require', t => {
  t.plan(1)
  const code = 'const require = () => {};\nrequire.resolve = () => {};\nrequire.resolve("~/foo");'
  const result = transform(code, {
    filename: 'file.js',
    plugins
  })
  t.equal(result.code, code)
})