meteor/tests/lib/util/executors/isMeteorBlockOnlyTest.js

import assert from 'assert'
import isMeteorBlockOnlyTest from '../../../../lib/util/executors/isMeteorBlockOnlyTest'

describe('isMeteorBlockOnlyTest', () => {
  it('accepts a valid MemberExpression', () => {
    const result = isMeteorBlockOnlyTest({
      type: 'MemberExpression',
      object: {
        type: 'Identifier',
        name: 'Meteor',
      },
      property: {
        type: 'Identifier',
        name: 'isClient',
      },
    })
    assert.ok(result)
  })

  it('accepts a valid computed MemberExpression', () => {
    const result = isMeteorBlockOnlyTest({
      type: 'MemberExpression',
      computed: true,
      object: {
        type: 'Identifier',
        name: 'Meteor',
      },
      property: {
        type: 'Literal',
        value: 'isCordova',
      },
    })
    assert.ok(result)
  })

  it('does not accept an invalid MemberExpression', () => {
    const result = isMeteorBlockOnlyTest({
      type: 'MemberExpression',
      object: {
        type: 'Identifier',
        name: 'Foo',
      },
      property: {
        type: 'Identifier',
        name: 'isClient',
      },
    })
    assert.ok(!result)
  })

  it('accepts a valid UnaryExpression', () => {
    const result = isMeteorBlockOnlyTest({
      type: 'UnaryExpression',
      operator: '!',
      argument: {
        type: 'MemberExpression',
        object: {
          type: 'Identifier',
          name: 'Meteor',
        },
        property: {
          type: 'Identifier',
          name: 'isServer',
        },
      },
    })
    assert.ok(result)
  })

  it('does not accept an invalid UnaryExpression', () => {
    const result = isMeteorBlockOnlyTest({
      type: 'UnaryExpression',
      operator: '!',
      argument: {
        type: 'MemberExpression',
        object: {
          type: 'Identifier',
          name: 'Foo',
        },
        property: {
          type: 'Identifier',
          name: 'isClient',
        },
      },
    })
    assert.ok(!result)
  })

  it('accepts a valid LogicalExpression', () => {
    const result = isMeteorBlockOnlyTest({
      type: 'LogicalExpression',
      operator: '||',
      left: {
        type: 'LogicalExpression',
        operator: '&&',
        left: {
          type: 'MemberExpression',
          object: {
            type: 'Identifier',
            name: 'Meteor',
          },
          property: {
            type: 'Identifier',
            name: 'isClient',
          },
        },
        right: {
          type: 'MemberExpression',
          object: {
            type: 'Identifier',
            name: 'Meteor',
          },
          property: {
            type: 'Identifier',
            name: 'isServer',
          },
        },
      },
      right: {
        type: 'MemberExpression',
        object: {
          type: 'Identifier',
          name: 'Meteor',
        },
        property: {
          type: 'Identifier',
          name: 'isCordova',
        },
      },
    })
    assert.ok(result)
  })

  it('does not accept an invalid LogicalExpression', () => {
    const result = isMeteorBlockOnlyTest({
      type: 'LogicalExpression',
      operator: '||',
      left: {
        type: 'LogicalExpression',
        operator: '&&',
        left: {
          type: 'MemberExpression',
          object: {
            type: 'Identifier',
            name: 'Foo',
          },
          property: {
            type: 'Identifier',
            name: 'isClient',
          },
        },
        right: {
          type: 'MemberExpression',
          object: {
            type: 'Identifier',
            name: 'Meteor',
          },
          property: {
            type: 'Identifier',
            name: 'isServer',
          },
        },
      },
      right: {
        type: 'MemberExpression',
        object: {
          type: 'Identifier',
          name: 'Meteor',
        },
        property: {
          type: 'Identifier',
          name: 'isCordova',
        },
      },
    })
    assert.ok(!result)
  })

  it('returns false for unresolvable expressions', () => {
    const result = isMeteorBlockOnlyTest({ type: 'Identifier' })
    assert.ok(!result)
  })

  it('returns false for invalid unary expressions', () => {
    const result = isMeteorBlockOnlyTest({
      type: 'UnaryExpression',
      operator: '-',
      argument: {
        type: 'MemberExpression',
        object: {
          type: 'Identifier',
          name: 'Foo',
        },
        property: {
          type: 'Identifier',
          name: 'isClient',
        },
      },
    })
    assert.ok(!result)
  })
})