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

"use strict";
var assert = require("assert"),
	BSON = require("bson"),
	MatchDetails = require("../../../../lib/pipeline/matcher/MatchDetails"),
	GTEMatchExpression = require("../../../../lib/pipeline/matcher/GTEMatchExpression");


module.exports = {
	"GTEMatchExpression": {
		"should match scalars and strings properly": function (){
			var e = new GTEMatchExpression();
			var s = e.init("",5);

			assert.strictEqual(s.code, "OK");
			assert.ok( e.matchesSingleElement(5.5) );
			assert.ok( e.matchesSingleElement(5) );
			assert.ok( ! e.matchesSingleElement(4) );
			assert.ok( ! e.matchesSingleElement( "foo" ) );
		},
		"should handle invalid End of Object Operand": function testInvalidEooOperand(){
			var e = new GTEMatchExpression();
			var s = e.init("",{});

			assert.strictEqual(s.code, "BAD_VALUE");
		},
		"should match a pathed number":function() {
			var e = new GTEMatchExpression();
			var s = e.init("a",5);

			assert.strictEqual(s.code, "OK");
			assert.ok( e.matchesJSON({"a":5.5}) );
			assert.ok( ! e.matchesJSON({"a":4}) );
		},
		"should match stuff in an array": function() {
			var e = new GTEMatchExpression();
			var s = e.init("a",5);

			assert.strictEqual(s.code, "OK");
			assert.ok( e.matchesJSON({"a":[4,5.5]}) );
			assert.ok( ! e.matchesJSON({"a":[1,2]}) );
		},
		"should not match full array" : function() {
			var e = new GTEMatchExpression();
			var s = e.init("a",[5]);

			assert.strictEqual(s.code, "OK");
			assert.ok( ! e.matchesJSON({"a":[4]}) );
			assert.ok( e.matchesJSON({"a":[5]}) );
			assert.ok( e.matchesJSON({"a":[6]}) );
		},
		"should not match null" : function() {
			var e = new GTEMatchExpression();
			var s = e.init("a",null);

			assert.strictEqual(s.code, "OK");
			assert.ok( e.matchesJSON({}) );
			assert.ok( e.matchesJSON({"a":null}) );
			assert.ok( ! e.matchesJSON({"a":4}) );
			assert.ok( e.matchesJSON({"b":4}) );
		},
		"should match dot notation nulls": function() {
			var e = new GTEMatchExpression();
			var s = e.init("a.b",null);

			assert.strictEqual(s.code, "OK");
			assert.ok(e.matchesJSON({}));
			assert.ok(e.matchesJSON({a:null}));
			assert.ok(e.matchesJSON({a:{}}));
			assert.ok(e.matchesJSON({a:[{b: null}]}));
			assert.ok(e.matchesJSON({a:[{a:4}, {b:4}]}));
			assert.ok(!e.matchesJSON({a:[4]}));
			assert.ok(!e.matchesJSON({a:[{b:4}]}));
		},
		"should match MinKey": function (){
			var operand = {a:new BSON.MinKey()},
				e = new GTEMatchExpression();
			var s = e.init("a",operand.a);
			assert.strictEqual(s.code, "OK");
			assert.ok(e.matchesJSON({"a":new BSON.MinKey()}, null));
			assert.ok(e.matchesJSON({"a":new BSON.MaxKey()}, null));
			assert.ok(e.matchesJSON({"a":4}), null);
		},
		"should match MaxKey": function (){
			var operand = {a:new BSON.MaxKey()},
				e = new GTEMatchExpression();
			var s = e.init("a",operand.a);
			assert.strictEqual(s.code, "OK");
			assert.ok(e.matchesJSON({"a":new BSON.MaxKey()}, null));
			assert.ok(!e.matchesJSON({"a":new BSON.MinKey()}, null));
			assert.ok(!e.matchesJSON({"a":4}), null);
		},
		"should handle elemMatchKey":function() {
			var e = new GTEMatchExpression();
			var s = e.init("a",5);
			var m = new MatchDetails();
			m.requestElemMatchKey();
			assert.strictEqual( s.code, "OK" );

			assert.ok( ! e.matchesJSON({"a":4}, m) );
			assert.ok( ! m.hasElemMatchKey() );

			assert.ok( e.matchesJSON({"a":6}, m) );
			assert.ok( ! m.hasElemMatchKey() );

			assert.ok( e.matchesJSON({"a":[2,6,5]}, m));
			assert.ok( m.hasElemMatchKey());
			assert.strictEqual("1", m.elemMatchKey());
		}
	}
};

if (!module.parent)(new(require("mocha"))()).ui("exports").reporter("spec").addFile(__filename).run(process.exit);