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Copy pathconfig.js
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133 lines (115 loc) · 4.35 KB
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'use strict';
var url = require('url'),
path = require('path'),
fs = require('q-io/fs'),
yaml = require('js-yaml'),
inherit = require('inherit'),
GeminiError = require('./errors/gemini-error'),
DEFAULT_SCREENSHOTS_DIR = 'gemini/screens';
var Config = module.exports = inherit({
__constructor: function(configPath, configText, overrides) {
overrides = overrides || {};
var config;
try {
config = yaml.load(configText);
} catch (e) {
throw new GeminiError('Error while parsing a config file: ' + configPath + '\n' +
e.reason + ' ' + e.mark,
'Gemini config should be valid YAML file.'
);
}
this.root = path.dirname(configPath);
this.rootUrl = overrides.rootUrl || config.rootUrl;
if (!this.rootUrl) {
throw new GeminiError(
'Required field "rootUrl" is not specified in config file: ' + configPath,
'"rootUrl" should point to the root of website under test.\nSuite URLs are resolved relative to it.'
);
}
this.gridUrl = overrides.gridUrl || config.gridUrl;
this.browsers = this._parseBrowsers(config.browsers || ['phantomjs']);
this.capabilities = config.capabilities || {};
this._validateCapabilities();
if (this._requiresGrid() && !this.gridUrl) {
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')
);
}
this.screenshotsDir = path.resolve(this.root,
config.screenshotsDir || DEFAULT_SCREENSHOTS_DIR);
},
_requiresGrid: function() {
return this.browsers.some(function(browser) {
return browser !== 'phantomjs';
});
},
_validateCapabilities: function() {
var forbidden = [
'browserName',
'version'
];
forbidden.forEach(function(option) {
if (this.capabilities[option]) {
throw new GeminiError(
'Setting `' + option + '` capability for all browsers is not allowed',
'Use `browsers` option instead'
);
}
}, this);
if ('takesScreenshot' in this.capabilities) {
throw new GeminiError(
'Setting `takesScreenshot` capability for all browsers is not allowed.\n' +
'It is required and will be set automatically'
);
}
},
_parseBrowsers: function(browsers) {
return browsers.map(function(browser) {
if (typeof browser === 'string') {
return {name: browser};
}
return browser;
});
},
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;
},
}, {
read: function read(configPath, overrides) {
return fs.read(configPath)
.then(function(content) {
return new Config(configPath, content, overrides);
})
.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/SevInf/gemini#configuration'
);
}
throw e;
});
}
});