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import * as chai from 'chai';
import * as fs from 'fs';
import * as _ from 'lodash';
import 'mocha';
import * as path from 'path';
import { collectCoverageEntries } from '../src/collect_coverage_entries';
import { SingleFileSourceRange } from '../src/types';
const expect = chai.expect;
const getRange = (sourceCode: string, range: SingleFileSourceRange) => {
const lines = sourceCode.split('\n').slice(range.start.line - 1, range.end.line);
lines[lines.length - 1] = lines[lines.length - 1].slice(0, range.end.column);
lines[0] = lines[0].slice(range.start.column);
return lines.join('\n');
};
describe('Collect coverage entries', () => {
describe('#collectCoverageEntries', () => {
it('correctly collects coverage entries for Simplest contract', () => {
const simplestContractBaseName = 'Simplest.sol';
const simplestContractFileName = path.resolve(__dirname, 'fixtures/contracts', simplestContractBaseName);
const simplestContract = fs.readFileSync(simplestContractFileName).toString();
const coverageEntries = collectCoverageEntries(simplestContract);
expect(coverageEntries.fnMap).to.be.deep.equal({});
expect(coverageEntries.branchMap).to.be.deep.equal({});
expect(coverageEntries.statementMap).to.be.deep.equal({});
expect(coverageEntries.modifiersStatementIds).to.be.deep.equal([]);
});
it('correctly collects coverage entries for SimpleStorage contract', () => {
const simpleStorageContractBaseName = 'SimpleStorage.sol';
const simpleStorageContractFileName = path.resolve(
__dirname,
'fixtures/contracts',
simpleStorageContractBaseName,
);
const simpleStorageContract = fs.readFileSync(simpleStorageContractFileName).toString();
const coverageEntries = collectCoverageEntries(simpleStorageContract);
const fnIds = _.keys(coverageEntries.fnMap);
expect(coverageEntries.fnMap[fnIds[0]].name).to.be.equal('set');
expect(coverageEntries.fnMap[fnIds[0]].line).to.be.equal(3);
const setFunction = `function set(uint x) {
storedData = x;
}`;
expect(getRange(simpleStorageContract, coverageEntries.fnMap[fnIds[0]].loc)).to.be.equal(setFunction);
expect(coverageEntries.fnMap[fnIds[1]].name).to.be.equal('get');
expect(coverageEntries.fnMap[fnIds[1]].line).to.be.equal(6);
const getFunction = `function get() constant returns (uint retVal) {
return storedData;
}`;
expect(getRange(simpleStorageContract, coverageEntries.fnMap[fnIds[1]].loc)).to.be.equal(getFunction);
expect(coverageEntries.branchMap).to.be.deep.equal({});
const statementIds = _.keys(coverageEntries.statementMap);
expect(getRange(simpleStorageContract, coverageEntries.statementMap[statementIds[1]])).to.be.equal(
'storedData = x',
);
expect(getRange(simpleStorageContract, coverageEntries.statementMap[statementIds[3]])).to.be.equal(
'return storedData;',
);
expect(coverageEntries.modifiersStatementIds).to.be.deep.equal([]);
});
});
});
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