Browse Source

Use chai-like instead of own properties matcher (#550)

master
Mingun 4 years ago
committed by Futago-za Ryuu
parent
commit
fde1c480f4
  1. 1
      package.json
  2. 53
      test/spec/unit/compiler/passes/helpers.js

1
package.json

@ -39,6 +39,7 @@
"babelify": "8.0.0",
"browserify": "14.5.0",
"chai": "4.1.2",
"chai-like": "^1.0.0",
"coveralls": "3.0.0",
"dedent": "0.7.0",
"del": "3.0.0",

53
test/spec/unit/compiler/passes/helpers.js

@ -4,6 +4,8 @@ const parser = require( "pegjs-dev" ).parser;
module.exports = function ( chai, utils ) {
chai.use( require( "chai-like" ) );
const Assertion = chai.Assertion;
Assertion.addMethod( "changeAST", function ( grammar, props, options, additionalRuleProps ) {
@ -11,49 +13,6 @@ module.exports = function ( chai, utils ) {
options = typeof options !== "undefined" ? options : {};
additionalRuleProps = typeof additionalRuleProps !== "undefined" ? additionalRuleProps : { reportFailures: true };
function matchProps( value, props ) {
function isObject( value ) {
return value !== null && typeof value === "object";
}
if ( Array.isArray( props ) ) {
if ( ! Array.isArray( value ) ) return false;
if ( value.length !== props.length ) return false;
for ( let i = 0; i < props.length; i++ ) {
if ( ! matchProps( value[ i ], props[ i ] ) ) return false;
}
return true;
} else if ( isObject( props ) ) {
if ( ! isObject( value ) ) return false;
const keys = Object.keys( props );
for ( let i = 0; i < keys.length; i++ ) {
const key = keys[ i ];
if ( ! ( key in value ) ) return false;
if ( ! matchProps( value[ key ], props[ key ] ) ) return false;
}
return true;
}
return value === props;
}
const ast = parser.parse( grammar );
if ( ! options.allowedStartRules ) {
@ -68,13 +27,7 @@ module.exports = function ( chai, utils ) {
utils.flag( this, "object" )( ast, options );
this.assert(
matchProps( ast, props ),
"expected #{this} to change the AST to match #{exp} but #{act} was produced",
"expected #{this} to not change the AST to match #{exp}",
props,
ast
);
new Assertion( ast ).like( props );
} );

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