CATTY-699 Convert to swift and refactor FormulaParserTests

Catrobat · Feb 19, 2023 · d3b8095 · d3b8095
1 parent f9736bd
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Showing 8 changed files with 915 additions and 1,085 deletions.
diff --git a/src/CattyTests/Formula/FormulaParserErrorDetectionTest.m b/src/CattyTests/Formula/FormulaParserErrorDetectionTest.m
diff --git a/src/CattyTests/Formula/FormulaParserErrorDetectionTest.swift b/src/CattyTests/Formula/FormulaParserErrorDetectionTest.swift
@@ -0,0 +1,90 @@
+/**
+ *  Copyright (C) 2010-2023 The Catrobat Team
+ *  (http://developer.catrobat.org/credits)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+ *
+ *  An additional term exception under section 7 of the GNU Affero
+ *  General Public License, version 3, is available at
+ *  (http://developer.catrobat.org/license_additional_term)
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see http://www.gnu.org/licenses/.
+ */
+
+import XCTest
+
+@testable import Pocket_Code
+
+class FormulaParserErrorDetectionTest: XCTestCase {
+
+    var formulaTestHelper: FormulaTestHelper!
+
+    override func setUp() {
+        super.setUp()
+        formulaTestHelper = FormulaTestHelper()
+    }
+
+    func testTooManyOperators() {
+        var internTokenList = [InternToken(type: TOKEN_TYPE_OPERATOR, andValue: MinusOperator.tag)!,
+                               InternToken(type: TOKEN_TYPE_OPERATOR, andValue: MinusOperator.tag)!,
+                               InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.42")!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: - - 42.42", andExpectedErrorCode: 1)
+
+        internTokenList = [InternToken(type: TOKEN_TYPE_OPERATOR, andValue: PlusOperator.tag)]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: +", andExpectedErrorCode: 0)
+
+        internTokenList = [InternToken(type: TOKEN_TYPE_OPERATOR, andValue: MinusOperator.tag)!,
+                           InternToken(type: TOKEN_TYPE_OPERATOR, andValue: PlusOperator.tag)!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: + -", andExpectedErrorCode: 1)
+
+        internTokenList = [InternToken(type: TOKEN_TYPE_OPERATOR, andValue: MultOperator.tag)!,
+                           InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.53")!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: * 42.53", andExpectedErrorCode: 0)
+
+        internTokenList = [InternToken(type: TOKEN_TYPE_OPERATOR, andValue: MinusOperator.tag)!,
+                           InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.42")!,
+                           InternToken(type: TOKEN_TYPE_OPERATOR, andValue: MinusOperator.tag)!,
+                           InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.42")!,
+                           InternToken(type: TOKEN_TYPE_OPERATOR, andValue: MinusOperator.tag)!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: - 42.42 - 42.42 -", andExpectedErrorCode: 5)
+    }
+
+    func testOperatorMissing() {
+        let internTokenList = [InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.53")!,
+                               InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.42")!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: 42.53 42.42", andExpectedErrorCode: 1)
+    }
+
+    func testNumberMissing() {
+        let internTokenList = [InternToken(type: TOKEN_TYPE_OPERATOR, andValue: MultOperator.tag)!,
+                               InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.53")!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: * 42.53", andExpectedErrorCode: 0)
+    }
+
+    func testRightBracketMissing() {
+        let internTokenList = [InternToken(type: TOKEN_TYPE_BRACKET_OPEN)!,
+                               InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.53")!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: (42.53", andExpectedErrorCode: 2)
+    }
+
+    func testLeftBracketMissing() {
+        let internTokenList = [InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.53")!,
+                               InternToken(type: TOKEN_TYPE_BRACKET_CLOSE)!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: 42.53)", andExpectedErrorCode: 1)
+    }
+
+    func testOutOfBound() {
+        let internTokenList = [InternToken(type: TOKEN_TYPE_NUMBER, andValue: "42.53")!,
+                               InternToken(type: TOKEN_TYPE_BRACKET_CLOSE)!]
+        formulaTestHelper.interpretInvalidFormula(with: internTokenList, description: "Invalid formula parsed: 42.53)", andExpectedErrorCode: 1)
+    }
+}