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eslint-module-utils: Add more tests for parse (coverage 100%)
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sompylasar committed May 26, 2017
1 parent 7ac5e8f commit d397b9b
Showing 1 changed file with 23 additions and 7 deletions.
30 changes: 23 additions & 7 deletions tests/src/core/parse.js
Original file line number Diff line number Diff line change
Expand Up @@ -27,16 +27,32 @@ describe('parse(content, { settings, ecmaFeatures })', function () {
const parserOptions = { ecmaFeatures: { jsx: true } }
require('./parseStubParser').parse = parseSpy
parse(path, content, { settings: {}, parserPath: require.resolve('./parseStubParser'), parserOptions: parserOptions })
expect(parseSpy.callCount, 'parse to be called once').to.equal(1)
expect(parseSpy.args[0][0], 'parse to get content as its first argument').to.equal(content)
expect(parseSpy.args[0][1], 'parse to get an object as its second argument').to.be.an('object')
expect(parseSpy.args[0][1], 'parse to clone the parserOptions object').to.not.equal(parserOptions)
expect(parseSpy.args[0][1], 'parse to get ecmaFeatures in parserOptions which is a clone of ecmaFeatures passed in')
expect(parseSpy.callCount, 'custom parser to be called once').to.equal(1)
expect(parseSpy.args[0][0], 'custom parser to get content as its first argument').to.equal(content)
expect(parseSpy.args[0][1], 'custom parser to get an object as its second argument').to.be.an('object')
expect(parseSpy.args[0][1], 'custom parser to clone the parserOptions object').to.not.equal(parserOptions)
expect(parseSpy.args[0][1], 'custom parser to get ecmaFeatures in parserOptions which is a clone of ecmaFeatures passed in')
.to.have.property('ecmaFeatures')
.that.is.eql(parserOptions.ecmaFeatures)
.and.is.not.equal(parserOptions.ecmaFeatures)
expect(parseSpy.args[0][1], 'parse to get parserOptions.attachComment equal to true').to.have.property('attachComment', true)
expect(parseSpy.args[0][1], 'parse to get parserOptions.filePath equal to the full path of the source file').to.have.property('filePath', path)
expect(parseSpy.args[0][1], 'custom parser to get parserOptions.attachComment equal to true').to.have.property('attachComment', true)
expect(parseSpy.args[0][1], 'custom parser to get parserOptions.filePath equal to the full path of the source file').to.have.property('filePath', path)
})

it('should throw on context == null', function () {
expect(parse.bind(null, path, content, null)).to.throw(Error)
})

it('should throw on unable to resolve parserPath', function () {
expect(parse.bind(null, path, content, { settings: {}, parserPath: null })).to.throw(Error)
})

it('should take the alternate parser specified in settings', function () {
const parseSpy = sinon.spy()
const parserOptions = { ecmaFeatures: { jsx: true } }
require('./parseStubParser').parse = parseSpy
expect(parse.bind(null, path, content, { settings: { 'import/parsers': { [require.resolve('./parseStubParser')]: [ '.js' ] } }, parserPath: null, parserOptions: parserOptions })).not.to.throw(Error)
expect(parseSpy.callCount, 'custom parser to be called once').to.equal(1)
})

})

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