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import * as chai from 'chai';
import * as dirtyChai from 'dirty-chai';
import * as _ from 'lodash';
import 'mocha';
import {
createDirIfDoesNotExistAsync,
getNormalizedErrMsg,
parseDependencies,
parseSolidityVersionRange,
} from '../src/utils/compiler';
import { fsWrapper } from '../src/utils/fs_wrapper';
chai.use(dirtyChai);
const expect = chai.expect;
describe('Compiler utils', () => {
describe('#getNormalizedErrorMessage', () => {
it('normalizes the error message', () => {
const errMsg = 'base/Token.sol:6:46: Warning: Unused local variable';
const normalizedErrMsg = getNormalizedErrMsg(errMsg);
expect(normalizedErrMsg).to.be.equal('Token.sol:6:46: Warning: Unused local variable');
});
});
describe('#createDirIfDoesNotExistAsync', () => {
it('creates artifacts dir', async () => {
const artifactsDir = `${__dirname}/artifacts`;
expect(fsWrapper.doesPathExistSync(artifactsDir)).to.be.false();
await createDirIfDoesNotExistAsync(artifactsDir);
expect(fsWrapper.doesPathExistSync(artifactsDir)).to.be.true();
fsWrapper.rmdirSync(artifactsDir);
expect(fsWrapper.doesPathExistSync(artifactsDir)).to.be.false();
});
});
describe('#parseSolidityVersionRange', () => {
it('correctly parses the version range', () => {
expect(parseSolidityVersionRange('pragma solidity ^0.0.1;')).to.be.equal('^0.0.1');
expect(parseSolidityVersionRange('\npragma solidity 0.0.1;')).to.be.equal('0.0.1');
expect(parseSolidityVersionRange('pragma solidity <=1.0.1;')).to.be.equal('<=1.0.1');
expect(parseSolidityVersionRange('pragma solidity ~1.0.1;')).to.be.equal('~1.0.1');
});
// TODO: For now that doesn't work. This will work after we switch to a grammar-based parser
it.skip('correctly parses the version range with comments', () => {
expect(parseSolidityVersionRange('// pragma solidity ~1.0.1;\npragma solidity ~1.0.2;')).to.be.equal(
'~1.0.2',
);
});
});
describe('#parseDependencies', () => {
it('correctly parses Exchange dependencies', async () => {
const path = `${__dirname}/fixtures/contracts/Exchange.sol`;
const source = await fsWrapper.readFileAsync(path, {
encoding: 'utf8',
});
const dependencies = parseDependencies({ source, path, absolutePath: path });
const expectedDependencies = [
'zeppelin-solidity/contracts/token/ERC20/ERC20.sol',
'packages/sol-compiler/lib/test/fixtures/contracts/TokenTransferProxy.sol',
'packages/sol-compiler/lib/test/fixtures/contracts/base/SafeMath.sol',
];
_.each(expectedDependencies, expectedDepdency => {
const foundDependency = _.find(dependencies, dependency => _.endsWith(dependency, expectedDepdency));
expect(foundDependency, `${expectedDepdency} not found`).to.not.be.undefined();
});
});
it('correctly parses TokenTransferProxy dependencies', async () => {
const path = `${__dirname}/fixtures/contracts/TokenTransferProxy.sol`;
const source = await fsWrapper.readFileAsync(path, {
encoding: 'utf8',
});
expect(parseDependencies({ source, path, absolutePath: path })).to.be.deep.equal([
'zeppelin-solidity/contracts/ownership/Ownable.sol',
'zeppelin-solidity/contracts/token/ERC20/ERC20.sol',
]);
});
// TODO: For now that doesn't work. This will work after we switch to a grammar-based parser
it.skip('correctly parses commented out dependencies', async () => {
const path = '';
const source = `// import "./TokenTransferProxy.sol";`;
expect(parseDependencies({ path, source, absolutePath: path })).to.be.deep.equal([]);
});
});
});
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