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

"use strict";
var assert = require("assert"),
	EqualityMatchExpression = require("../../../../lib/pipeline/matcher/EqualityMatchExpression.js"),
	ElemMatchObjectMatchExpression = require("../../../../lib/pipeline/matcher/ElemMatchObjectMatchExpression.js"),
	ElemMatchValueMatchExpression = require("../../../../lib/pipeline/matcher/ElemMatchValueMatchExpression.js"),
	AndMatchExpression = require("../../../../lib/pipeline/matcher/AndMatchExpression.js"),
	LTMatchExpression = require("../../../../lib/pipeline/matcher/LTMatchExpression.js"),
	GTMatchExpression = require("../../../../lib/pipeline/matcher/GTMatchExpression.js"),
	AllElemMatchOp = require("../../../../lib/pipeline/matcher/AllElemMatchOp.js");


module.exports = {
	"AllElemMatchOp": {
		"Should match an element": function() {
			var baseOperanda1={"a":1},
				eqa1 = new EqualityMatchExpression();

			assert.strictEqual(eqa1.init("a", baseOperanda1.a).code, 'OK');

			var baseOperandb1={"b":1},
				eqb1 = new EqualityMatchExpression(),
				and1 = new AndMatchExpression(),
				elemMatch1 = new ElemMatchObjectMatchExpression();

			assert.strictEqual(eqb1.init("b", baseOperandb1.b).code, 'OK');

			and1.add(eqa1);
			and1.add(eqb1);
			// and1 = { a : 1, b : 1 }

			elemMatch1.init("x", and1);
			// elemMatch1 = { x : { $elemMatch : { a : 1, b : 1 } } }

			var baseOperanda2={"a":2},
				eqa2 = new EqualityMatchExpression();

			assert.strictEqual(eqa2.init("a", baseOperanda2.a).code, 'OK');

			var baseOperandb2={"b":2},
				eqb2 = new EqualityMatchExpression(),
				and2 = new AndMatchExpression(),
				elemMatch2 = new ElemMatchObjectMatchExpression(),
				op = new AllElemMatchOp();

			assert.strictEqual(eqb2.init("b", baseOperandb2.b).code, 'OK');

			and2.add(eqa2);
			and2.add(eqb2);

			elemMatch2.init("x", and2);
			// elemMatch2 = { x : { $elemMatch : { a : 2, b : 2 } } }

			op.init("");
			op.add(elemMatch1);
			op.add(elemMatch2);

			var nonArray={"x":4},
				emptyArray={"x":[]},
				nonObjArray={"x":[4]},
				singleObjMatch={"x":[{"a":1, "b":1}]},
				otherObjMatch={"x":[{"a":2, "b":2}]},
				bothObjMatch={"x":[{"a":1, "b":1}, {"a":2, "b":2}]},
				noObjMatch={"x":[{"a":1, "b":2}, {"a":2, "b":1}]};

			assert.ok(!op.matchesSingleElement(nonArray.x));
			assert.ok(!op.matchesSingleElement(emptyArray.x));
			assert.ok(!op.matchesSingleElement(nonObjArray.x));
			assert.ok(!op.matchesSingleElement(singleObjMatch.x));
			assert.ok(!op.matchesSingleElement(otherObjMatch.x));
			assert.ok(op.matchesSingleElement(bothObjMatch.x));
			assert.ok(!op.matchesSingleElement(noObjMatch.x));
		},

		"Should match things": function() {
			var baseOperandgt1={"$gt":1},
				gt1 = new GTMatchExpression();

			assert.strictEqual(gt1.init("", baseOperandgt1.$gt).code, 'OK');

			var baseOperandlt1={"$lt":10},
				lt1 = new LTMatchExpression(),
				elemMatch1 = new ElemMatchValueMatchExpression();

			assert.strictEqual(lt1.init("", baseOperandlt1.$lt).code, 'OK');

			elemMatch1.init("x");
			elemMatch1.add(gt1);
			elemMatch1.add(lt1);

			var baseOperandgt2={"$gt":101},
				gt2 = new GTMatchExpression();

			assert.strictEqual(gt2.init("", baseOperandgt2.$gt).code, 'OK');

			var baseOperandlt2={"$lt":110},
				lt2 = new LTMatchExpression(),
				elemMatch2 = new ElemMatchValueMatchExpression(),
				op = new AllElemMatchOp();

			assert.strictEqual(lt2.init("", baseOperandlt2.$lt).code, 'OK');

			elemMatch2.init("x");
			elemMatch2.add(gt2);
			elemMatch2.add(lt2);

			op.init("x");
			op.add(elemMatch1);
			op.add(elemMatch2);


			var nonArray={"x":4},
				emptyArray={"x":[]},
				nonNumberArray={"x":["q"]},
				singleMatch={"x":[5]},
				otherMatch={"x":[105]},
				bothMatch={"x":[5,105]},
				neitherMatch={"x":[0,200]};

			assert.ok(!op.matches(nonArray, null));
			assert.ok(!op.matches(emptyArray, null));
			assert.ok(!op.matches(nonNumberArray, null));
			assert.ok(!op.matches(singleMatch, null));
			assert.ok(!op.matches(otherMatch, null));
			assert.ok(op.matches(bothMatch, null));
			assert.ok(!op.matches(neitherMatch, null));
		},
	}
};

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