279 lines
5.8 KiB
JavaScript
279 lines
5.8 KiB
JavaScript
/**
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* Contains common assertions
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*
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* Copyright (C) 2017 R-T Specialty, LLC.
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*
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* This file is part of the Liza Data Collection Framework.
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*
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* liza is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// import creation method
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var create = require( './Assertion' ).create;
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var explode_flip = function( value )
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{
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// 'splody 'sploy!
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// ...we accept a comma-separated list
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var val = value.split( ',' );
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var dest = {};
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// flip the array (in PHP this is the equivalent of
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// array_flip()) so we can do a hash lookup
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var len = val.length;
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for ( var i = 0; i < len; i++ )
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{
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dest[ val[i] ] = i;
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}
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return dest;
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};
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/**
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* Asserts that the given value is within a list of expected values
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*
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* @return lovullo.assert.Assertion
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*/
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exports.any = create( 'any', {
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processDefault: false,
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parseExpected: explode_flip,
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assert: function()
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{
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// same as isIn
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return ( this.expected[ this.given ] !== undefined );
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}
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} );
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/**
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* Asserts that the given values are between the expected values
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*
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* @return lovullo.assert.Assertion
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*/
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exports.between = create( 'between', {
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parseExpected: function( value )
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{
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return value.split( ',' );
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},
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assert: function()
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{
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var lower = this.expected[0];
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var upper = this.expected[1];
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return ( ( this.given < lower ) || ( this.given > upper ) )
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? false
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: true;
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}
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});
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/**
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* Asserts that the given values are empty
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*
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* @return lovullo.assert.Assertion
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*/
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exports.empty = create( 'empty', function()
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{
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// empty string, 0 integer or 0.00 float (and many variations), or objects
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// that JS considers empty (note that [] will automatically be considered
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// empty due to string cohersion when comparing with the regex)
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return /^(0+\.?0*|0*\.0+)?$/.test( this.given ) || !this.given;
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} );
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function eqcmp( given, expected )
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{
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// if expected is a string whoose integer equivalent converted to a string
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// is the same as its value, then we'll do integer comparisons
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if ( ''+( +given ) === expected )
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{
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given = +given;
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expected = +expected;
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}
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else
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{
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// otherwise, compare them as strings
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given = ''+given;
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expected = ''+expected;
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}
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return ( given === expected );
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}
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/**
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* Asserts that the given value is equal to the expected value
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*
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* @return lovullo.assert.Assertion
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*/
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exports.equal = create( 'equal', function()
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{
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return eqcmp( this.given, this.expected );
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});
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/**
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* Asserts that the given value is not equal to the expected value
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*
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* @return lovullo.assert.Assertion
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*/
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exports.notEqual = create( 'notEqual', function()
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{
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return !eqcmp( this.given, this.expected );
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});
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/**
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* Asserts that the given value is greater than the expected value
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*
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* @return lovullo.assert.Assertion
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*/
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exports.greaterThan = create( 'greaterThan', function()
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{
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return ( +this.given > +this.expected )
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? true
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: false;
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});
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/**
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* Asserts that the given value is greater or equal to the expected value
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*
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* @return lovullo.assert.Assertion
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*/
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exports.greaterOrEqualTo = create( 'greaterOrEqualTo', function()
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{
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return ( +this.given >= +this.expected )
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? true
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: false;
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});
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/**
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* Always returns false
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*
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* @return lovullo.assert.Assertion
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*/
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exports.fail = create( 'fail', {
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defaultValue: false,
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assert: function()
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{
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return false;
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}
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});
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/**
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* Asserts that the given value is within a list of expected values
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*
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* @return lovullo.assert.Assertion
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*/
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exports.isIn = create( 'isIn', {
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parseExpected: explode_flip,
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assert: function()
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{
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return ( this.expected[ this.given ] !== undefined );
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}
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});
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/**
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* Asserts that the given value is not in a list of values
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*
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* @return lovullo.assert.Assertion
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*/
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exports.isNotIn = create( 'isNotIn', {
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parseExpected: explode_flip,
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assert: function()
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{
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return ( this.expected[ this.given ] === undefined );
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}
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});
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/**
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* Asserts that the given value is less than the expected value
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*
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* @return lovullo.assert.Assertion
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*/
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exports.lessThan = create( 'lessThan', function()
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{
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return ( +this.given < +this.expected )
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? true
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: false;
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});
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/**
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* Asserts that the given value is less than or equal to the expected value
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*
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* @return lovullo.assert.Assertion
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*/
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exports.lessOrEqualTo = create( 'lessOrEqualTo', function()
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{
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return ( +this.given <= +this.expected )
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? true
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: false;
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});
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/**
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* Asserts that the given values are _not_ empty
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*
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* @return lovullo.assert.Assertion
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*/
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exports.notEmpty = create( 'notEmpty', function()
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{
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// just negate what empty returns
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return !( exports.empty.assertSingle(
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this.expected, this.given
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) );
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});
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/**
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* Always returns true
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*
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* @return lovullo.assert.Assertion
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*/
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exports.pass = create( 'pass', function()
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{
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return true;
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});
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/**
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* Asserts that the given value matches the regexp
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*
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* @return lovullo.assert.Assertion
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*/
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exports.regex = create( 'regex', {
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parseExpected: function( value )
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{
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return new RegExp( value, 'i' );
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},
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assert: function()
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{
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return ( this.expected.test( this.given ) );
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}
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});
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