test/compilers/argument-parsers-tests.js

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import {CompilerArguments} from '../../lib/compiler-arguments';
import {BaseParser, ClangParser, GCCParser, PascalParser} from '../../lib/compilers/argument-parsers';
import {FakeCompiler} from '../../lib/compilers/fake-for-test';
import {makeCompilationEnvironment, should} from '../utils';

const languages = {
    'c++': {id: 'c++'},
};

let env;

function makeCompiler(stdout, stderr, code) {
    if (env === undefined) {
        env = makeCompilationEnvironment({languages});
    }

    if (code === undefined) code = 0;
    const compiler = new FakeCompiler({lang: languages['c++'].id, remote: true}, env);
    compiler.exec = () => Promise.resolve({code: code, stdout: stdout || '', stderr: stderr || ''});
    compiler.execCompilerCached = compiler.exec;
    compiler.possibleArguments = new CompilerArguments('g82');
    return compiler;
}

describe('option parser', () => {
    it('should do nothing for the base parser', () => {
        const compiler = makeCompiler();
        return BaseParser.parse(compiler).should.deep.equals(compiler);
    });
    it('should handle empty options', () => {
        return BaseParser.getOptions(makeCompiler()).should.eventually.deep.equals({});
    });
    it('should parse single-dash options', () => {
        return BaseParser.getOptions(makeCompiler('-foo\n')).should.eventually.deep.equals({
            '-foo': {
                description: '',
                timesused: 0,
            },
        });
    });
    it('should parse double-dash options', () => {
        return BaseParser.getOptions(makeCompiler('--foo\n')).should.eventually.deep.equals({
            '--foo': {
                description: '',
                timesused: 0,
            },
        });
    });
    it('should parse stderr options', () => {
        return BaseParser.getOptions(makeCompiler('', '--bar=monkey\n')).should.eventually.deep.equals({
            '--bar=monkey': {
                description: '',
                timesused: 0,
            },
        });
    });
    it('handles non-option text', () => {
        return BaseParser.getOptions(
            makeCompiler('-foo=123\nthis is a fish\n-badger=123'),
        ).should.eventually.deep.equals({
            '-foo=123': {description: 'this is a fish', timesused: 0},
            '-badger=123': {description: '', timesused: 0},
        });
    });
    it('should ignore if errors occur', () => {
        return BaseParser.getOptions(makeCompiler('--foo\n', '--bar\n', 1)).should.eventually.deep.equals({});
    });
});

describe('gcc parser', () => {
    it('should handle empty options', async () => {
        const result = await GCCParser.parse(makeCompiler());
        should.not.exist(result.compiler.supportsGccDump);
        result.compiler.options.should.equals('');
    });
    it('should handle options', () => {
        return GCCParser.parse(
            makeCompiler('-masm=intel\n-fdiagnostics-color=[blah]\n-fdump-tree-all'),
        ).should.eventually.satisfy(result => {
            return Promise.all([
                result.compiler.supportsGccDump.should.equals(true),
                result.compiler.supportsIntel.should.equals(true),
                result.compiler.intelAsm.should.equals('-masm=intel'),
                result.compiler.options.should.equals('-fdiagnostics-color=always'),
            ]);
        });
    });
    it('should handle undefined options', () => {
        return GCCParser.parse(makeCompiler('-fdiagnostics-color=[blah]')).should.eventually.satisfy(result => {
            return Promise.all([result.compiler.options.should.equals('-fdiagnostics-color=always')]);
        });
    });
});

describe('clang parser', () => {
    it('should handle empty options', () => {
        return ClangParser.parse(makeCompiler()).should.eventually.satisfy(result => {
            return Promise.all([result.compiler.options.should.equals('')]);
        });
    });
    it('should handle options', () => {
        return ClangParser.parse(
            makeCompiler('-fno-crash-diagnostics\n-fsave-optimization-record\n-fcolor-diagnostics'),
        ).should.eventually.satisfy(result => {
            return Promise.all([
                result.compiler.supportsOptOutput.should.equals(true),
                result.compiler.optArg.should.equals('-fsave-optimization-record'),

                result.compiler.options.should.include('-fcolor-diagnostics'),
                result.compiler.options.should.include('-fno-crash-diagnostics'),
                result.compiler.options.should.not.include('-fsave-optimization-record'),
            ]);
        });
    });
});

describe('pascal parser', () => {
    it('should handle empty options', () => {
        return PascalParser.parse(makeCompiler()).should.eventually.satisfy(result => {
            return Promise.all([result.compiler.options.should.equals('')]);
        });
    });
});

describe('popular compiler arguments', () => {
    let compiler;

    before(() => {
        compiler = makeCompiler(
            '-fsave-optimization-record\n-x\n-g\n-fcolor-diagnostics\n-O<number> optimization level\n-std=<c++11,c++14,c++17z>',
        );
    });

    it('should return 5 arguments', () => {
        return ClangParser.parse(compiler).then(compiler => {
            return compiler.should.satisfy(compiler => {
                return Promise.all([
                    compiler.possibleArguments.getPopularArguments().should.deep.equal({
                        '-O<number>': {description: 'optimization level', timesused: 0},
                        '-fcolor-diagnostics': {description: '', timesused: 0},
                        '-fsave-optimization-record': {description: '', timesused: 0},
                        '-g': {description: '', timesused: 0},
                        '-x': {description: '', timesused: 0},
                    }),
                ]);
            });
        });
    });

    it('should return arguments except the ones excluded', () => {
        return ClangParser.parse(compiler).then(compiler => {
            return compiler.should.satisfy(compiler => {
                return Promise.all([
                    compiler.possibleArguments.getPopularArguments(['-O3', '--hello']).should.deep.equal({
                        '-fcolor-diagnostics': {description: '', timesused: 0},
                        '-fsave-optimization-record': {description: '', timesused: 0},
                        '-g': {description: '', timesused: 0},
                        '-x': {description: '', timesused: 0},
                        '-std=<c++11,c++14,c++17z>': {description: '', timesused: 0},
                    }),
                ]);
            });
        });
    });

    it('should be able to exclude special params with assignments', () => {
        return ClangParser.parse(compiler).then(compiler => {
            return compiler.should.satisfy(compiler => {
                return Promise.all([
                    compiler.possibleArguments.getPopularArguments(['-std=c++14', '-g', '--hello']).should.deep.equal({
                        '-O<number>': {description: 'optimization level', timesused: 0},
                        '-fcolor-diagnostics': {description: '', timesused: 0},
                        '-fsave-optimization-record': {description: '', timesused: 0},
                        '-x': {description: '', timesused: 0},
                    }),
                ]);
            });
        });
    });
});