tad/lib/load.js

JavaScript test suite

// Imports lib and tests from given paths

"use strict";

var assign           = require("es5-ext/object/assign")
  , endsWith         = require("es5-ext/string/#/ends-with")
  , path             = require("path")
  , commonPath       = require("path2/common")
  , requireInContext = require("./require-in-context")
  , requireFirst     = require("./require-first-in-tree");

var dirname = path.dirname, sep = path.sep, ptrim;

ptrim = function (testPath) {
	return testPath.match(/[\u0000-.0-[\]-\uffff][/\\]$/) ? testPath.slice(0, -1) : testPath;
};

module.exports = function (testeePath, testPath, context) {
	var testConfig, scopes;
	var testModule, testError, testeeModule, testeeError;

	try { testModule = requireInContext(testPath, context, { isSilent: true }); }
	catch (error) { testError = error; }
	try { testeeModule = requireInContext(testeePath, context, { isSilent: true }); }
	catch (error) { testeeError = error; }
	if (testError || testeeError) {
		return { test: testModule || testError, testee: testeeModule || testeeError };
	}
	testConfig = { test: testModule, testee: testeeModule };

	if (!testConfig.test && endsWith.call(testeePath, sep + "index.js")) {
		testConfig.test = require("./utils/index-test")(dirname(testeePath), null, context);
	}

	if (testConfig.test && testConfig.test.__generic) {
		scopes = requireFirst(
			"__scopes", dirname(testPath), ptrim(commonPath(testeePath, testPath))
		);
		assign(testConfig.test, require("./utils/factory")(scopes, testConfig.test.__generic));
		delete testConfig.test.__generic;
	}

	return testConfig;
};