test/compilers/argument-parsers-tests.js

// Copyright (c) 2017, Matt Godbolt
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice,
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//     * Redistributions in binary form must reproduce the above copyright
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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const chai = require('chai'),
    FakeCompiler = require('../../lib/compilers/fake-for-test'),
    chaiAsPromised = require('chai-as-promised'),
    parsers = require('../../lib/compilers/argument-parsers'),
    CompilerArguments = require('../../lib/compiler-arguments'),
    {makeCompilationEnvironment} = require('../utils');
chai.use(chaiAsPromised);
const should = chai.should();

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 parsers.Base.parse(compiler).should.deep.equals(compiler);
    });
    it('should handle empty options', () => {
        return parsers.Base.getOptions(makeCompiler()).should.eventually.deep.equals({});
    });
    it('should parse single-dash options', () => {
        return parsers.Base.getOptions(makeCompiler('-foo\n')).should.eventually.deep.equals({
            '-foo': {
                description: '',
                timesused: 0,
            },
        });
    });
    it('should parse double-dash options', () => {
        return parsers.Base.getOptions(makeCompiler('--foo\n')).should.eventually.deep.equals({
            '--foo': {
                description: '',
                timesused: 0,
            },
        });
    });
    it('should parse stderr options', () => {
        return parsers.Base.getOptions(makeCompiler('', '--bar=monkey\n')).should.eventually.deep.equals({
            '--bar=monkey': {
                description: '',
                timesused: 0,
            },
        });
    });
    it('handles non-option text', () => {
        return parsers.Base.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 parsers.Base.getOptions(makeCompiler('--foo\n', '--bar\n', 1)).should.eventually.deep.equals({});
    });
});

describe('gcc parser', () => {
    it('should handle empty options', () => {
        return parsers.GCC.parse(makeCompiler()).should.eventually.satisfy(result => {
            return Promise.all([
                should.not.equal(result.compiler.supportsGccDump, true),
                result.compiler.options.should.equals(''),
            ]);
        });
    });
    it('should handle options', () => {
        return parsers.GCC.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 parsers.GCC.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 parsers.Clang.parse(makeCompiler()).should.eventually.satisfy(result => {
            return Promise.all([
                result.compiler.options.should.equals(''),
            ]);
        });
    });
    it('should handle options', () => {
        return parsers.Clang.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 parsers.Pascal.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 parsers.Clang.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 parsers.Clang.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 parsers.Clang.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},
                    }),
                ]);
            });
        });
    });
});