53 lines
1.8 KiB
Swift
53 lines
1.8 KiB
Swift
//
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// QueryParserTest.swift
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// SwiftSoup
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//
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// Created by Nabil Chatbi on 12/11/16.
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// Copyright © 2016 Nabil Chatbi. All rights reserved.
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//
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import XCTest
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import SwiftSoup
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class QueryParserTest: XCTestCase {
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func testOrGetsCorrectPrecedence()throws {
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// tests that a selector "a b, c d, e f" evals to (a AND b) OR (c AND d) OR (e AND f)"
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// top level or, three child ands
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let eval: Evaluator = try QueryParser.parse("a b, c d, e f")
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XCTAssertTrue((eval as? CombiningEvaluator.Or) != nil)
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let or: CombiningEvaluator.Or = eval as! CombiningEvaluator.Or
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XCTAssertEqual(3, or.evaluators.count)
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for innerEval: Evaluator in or.evaluators {
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XCTAssertTrue((innerEval as? CombiningEvaluator.And) != nil)
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let and: CombiningEvaluator.And = innerEval as! CombiningEvaluator.And
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XCTAssertEqual(2, and.evaluators.count)
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XCTAssertTrue((and.evaluators[0] as? Evaluator.Tag) != nil)
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XCTAssertTrue((and.evaluators[1] as? StructuralEvaluator.Parent) != nil)
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}
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}
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func testParsesMultiCorrectly()throws {
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let eval: Evaluator = try QueryParser.parse(".foo > ol, ol > li + li")
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XCTAssertTrue((eval as? CombiningEvaluator.Or) != nil)
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let or: CombiningEvaluator.Or = eval as! CombiningEvaluator.Or
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XCTAssertEqual(2, or.evaluators.count)
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let andLeft: CombiningEvaluator.And = or.evaluators[0] as! CombiningEvaluator.And
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let andRight: CombiningEvaluator.And = or.evaluators[1] as! CombiningEvaluator.And
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XCTAssertEqual("ol :ImmediateParent.foo", andLeft.toString())
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XCTAssertEqual(2, andLeft.evaluators.count)
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XCTAssertEqual("li :prevli :ImmediateParentol", andRight.toString())
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XCTAssertEqual(2, andRight.evaluators.count)
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}
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static var allTests = {
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return [
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("testOrGetsCorrectPrecedence", testOrGetsCorrectPrecedence),
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("testParsesMultiCorrectly", testParsesMultiCorrectly)
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]
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}()
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}
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