mungedb-aggregate/test/lib/pipeline/matcher/NotMatchExpression_test.js

"use strict";
if (!module.parent) return require.cache[__filename] = 0, (new(require("mocha"))()).addFile(__filename).ui("exports").run(process.exit);
var assert = require("assert"),
	ErrorCodes = require("../../../../lib/Errors").ErrorCodes,
	matcher = require("../../../../lib/pipeline/matcher/"),
	NotMatchExpression = matcher.NotMatchExpression,
	LTMatchExpression = matcher.LTMatchExpression,
	MatchDetails = matcher.MatchDetails;

module.exports = {
	"NotMatchExpression": {
		"Should match a scalar": function (){
			var lt = new LTMatchExpression();
			assert.strictEqual(lt.init("a", 5).code, ErrorCodes.OK);
			var op = new NotMatchExpression();
			assert.strictEqual( op.init(lt).code, ErrorCodes.OK);
			assert.ok( op.matches({"a":6}), "{$not: {$lt: 5}}, {a:6}" );
			assert.ok( !op.matches({"a":4}), "{$not: {$lt: 5}}, {a:4}" );
		},
		"Should match an Array": function() {
			var lt = new LTMatchExpression();
			assert.strictEqual(lt.init("a",5).code, ErrorCodes.OK);
			var op = new NotMatchExpression();
			assert.strictEqual(op.init(lt).code, ErrorCodes.OK);
			assert.ok( op.matches({"a": [6]}) , "{$not: {$lt: 5}}, {a: [6]}");
			assert.ok( !op.matches({"a": [4]}) , "{$not: {$lt: 5}}, {a: [4]}");
			assert.ok( !op.matches({"a": [4,5,6]}) , "{$not: {$lt: 5}}, {a: [4,5,6]}");
		},
		"Should not have an ElemMatchKey": function() {
			var lt = new LTMatchExpression();
			assert.strictEqual(lt.init("a",5).code, ErrorCodes.OK);
			var op = new NotMatchExpression();
			assert.strictEqual( op.init( lt ).code, ErrorCodes.OK);
			var details = new MatchDetails();
			details.requestElemMatchKey();
			assert.ok( ! op.matches({"a":[1]}, details), "{$not: {a: {$lt : 5}}}, {a: [1]}" );
			assert.ok( ! details.hasElemMatchKey() , "ElemMatchKey Check");
			assert.ok( op.matches({"a": 6 }, details), "{$not: {a: {$lt : 5}}},{a: 6}");
			assert.ok( ! details.hasElemMatchKey(), "ElemMatchKey Check");
			assert.ok( op.matches({"a":[6]}, details), "{$not: {a: {$lt : 5}}}, {a:[6]}");
			assert.ok( ! details.hasElemMatchKey() );
		}
	}

};