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145 lines (126 loc) · 4.74 KB
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'use strict';
var url = require('url'),
path = require('path'),
format = require('util').format,
fs = require('q-io/fs'),
yaml = require('js-yaml'),
inherit = require('inherit'),
GeminiError = require('../errors/gemini-error'),
options = require('./options');
var Config = module.exports = inherit({
__constructor: function(configPath, configData, cliOptions) {
this._checkForUnknownOptions(configData);
cliOptions = cliOptions || {};
this.root = path.dirname(configPath);
Object.keys(options).forEach(function(property) {
var option = options[property],
value;
if (option.env && option.env in process.env) {
value = process.env[option.env];
} else if (option.override && property in cliOptions) {
value = cliOptions[property];
} else if (property in configData) {
value = configData[property];
} else if (option.default) {
value = option.default;
} else if (option.required) {
throw new GeminiError(
format('Field "%s" is not specified in config file %s',
property,
configPath
),
format('Specify "%s" field', property)
);
}
if (typeof value === 'undefined') {
return;
}
if (option.validate) {
if (typeof value !== option.validate) {
throw new GeminiError(format('Field "%s" must be %s', property, option.validate));
}
}
if (option.map) {
value = option.map(value, this);
}
this[property] = value;
}, this);
this._checkGridUrl();
},
_checkForUnknownOptions: function(configData) {
Object.keys(configData).forEach(function(property) {
if (!options.hasOwnProperty(property)) {
throw new GeminiError(
format('Unknown config option: "%s"', property),
'List of the valid options:\n' +
'https://github.com/bem/gemini#configuration'
);
}
});
},
_checkGridUrl: function() {
if (!this.gridUrl && this._requiresGrid()) {
throw new GeminiError(
'Field "gridUrl" is required for using non-phantomjs browsers',
[
'Specify selenium grid URL in your config file or use only',
'phantomjs browser.',
'Selenium server installation instructions:',
'',
'https://code.google.com/p/selenium/wiki/Grid2'
].join('\n')
);
}
},
_requiresGrid: function() {
return Object.keys(this.browsers).some(function(name) {
return this.browsers[name].browserName !== 'phantomjs';
}, this);
},
getAbsoluteUrl: function getAbsoluteUrl(relUrl) {
return url.resolve(this.rootUrl, relUrl);
},
getScreenshotsDir: function(suite, state) {
return path.resolve(this.screenshotsDir, this._getPathForSuite(suite), state);
},
getScreenshotPath: function getScrenshotPath(suite, state, browser) {
return path.join(this.getScreenshotsDir(suite, state), browser + '.png');
},
_getPathForSuite: function(suite) {
var result = '';
while (suite) {
result = path.join(suite.name, result);
suite = suite.parent;
}
return result;
}
}, {
readYAMLFile: function readYAMLFile(configPath, cliOptions) {
var _this = this;
return fs.read(configPath)
.fail(function(e) {
if (e.code === 'ENOENT') {
throw new GeminiError(
'Config file does not exists: ' + configPath,
'Specify config file or configure your project by following\nthe instructions:\n\n' +
'https://github.com/bem/gemini#configuration'
);
}
throw e;
})
.then(function(source) {
var data = _this._parse(source, configPath);
return new Config(configPath, data, cliOptions);
});
},
_parse: function(source, filename) {
try {
return yaml.safeLoad(source);
} catch (e) {
throw new GeminiError('Error while parsing a config file: ' + filename + '\n' +
e.reason + ' ' + e.mark,
'Gemini config should be valid YAML file.'
);
}
}
});