linter/src/test/java/org/apache/royale/linter/rules/TestMissingTypeRule.java

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package org.apache.royale.linter.rules;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.ArrayList;
import java.util.List;

import org.apache.royale.compiler.problems.ICompilerProblem;
import org.apache.royale.linter.LinterRule;
import org.apache.royale.linter.LinterSettings;
import org.apache.royale.linter.ASLinter;
import org.junit.Test;

public class TestMissingTypeRule {
	@Test
	public void testWithFieldType() {
		List<LinterRule> rules = new ArrayList<LinterRule>();
		rules.add(new MissingTypeRule());
		LinterSettings settings = new LinterSettings();
		settings.rules = rules;
		ASLinter linter = new ASLinter(settings);
		List<ICompilerProblem> problems = new ArrayList<ICompilerProblem>();
		linter.lint("file.as", "class MyClass{var fieldName:String;}", problems);
		assertEquals(0, problems.size());
	}

	@Test
	public void testMissingFieldType() {
		List<LinterRule> rules = new ArrayList<LinterRule>();
		rules.add(new MissingTypeRule());
		LinterSettings settings = new LinterSettings();
		settings.rules = rules;
		ASLinter linter = new ASLinter(settings);
		List<ICompilerProblem> problems = new ArrayList<ICompilerProblem>();
		linter.lint("file.as", "class MyClass{var fieldName;}", problems);
		assertEquals(1, problems.size());
		assertTrue(problems.get(0) instanceof MissingTypeRule.MissingVariableTypeLinterProblem);
	}

	@Test
	public void testWithLocalVarType() {
		List<LinterRule> rules = new ArrayList<LinterRule>();
		rules.add(new MissingTypeRule());
		LinterSettings settings = new LinterSettings();
		settings.rules = rules;
		ASLinter linter = new ASLinter(settings);
		List<ICompilerProblem> problems = new ArrayList<ICompilerProblem>();
		linter.lint("file.as", "class MyClass{function methodName():void{var fieldName:String;}}", problems);
		assertEquals(0, problems.size());
	}

	@Test
	public void testMissingLocalVarType() {
		List<LinterRule> rules = new ArrayList<LinterRule>();
		rules.add(new MissingTypeRule());
		LinterSettings settings = new LinterSettings();
		settings.rules = rules;
		ASLinter linter = new ASLinter(settings);
		List<ICompilerProblem> problems = new ArrayList<ICompilerProblem>();
		linter.lint("file.as", "class MyClass{function methodName():void{var fieldName;}}", problems);
		assertEquals(1, problems.size());
		assertTrue(problems.get(0) instanceof MissingTypeRule.MissingVariableTypeLinterProblem);
	}

	@Test
	public void testWithParameterType() {
		List<LinterRule> rules = new ArrayList<LinterRule>();
		rules.add(new MissingTypeRule());
		LinterSettings settings = new LinterSettings();
		settings.rules = rules;
		ASLinter linter = new ASLinter(settings);
		List<ICompilerProblem> problems = new ArrayList<ICompilerProblem>();
		linter.lint("file.as", "class MyClass{function methodName(param:String):void{}}", problems);
		assertEquals(0, problems.size());
	}

	@Test
	public void testMissingParameterType() {
		List<LinterRule> rules = new ArrayList<LinterRule>();
		rules.add(new MissingTypeRule());
		LinterSettings settings = new LinterSettings();
		settings.rules = rules;
		ASLinter linter = new ASLinter(settings);
		List<ICompilerProblem> problems = new ArrayList<ICompilerProblem>();
		linter.lint("file.as", "class MyClass{function methodName(param):void{}}", problems);
		assertEquals(1, problems.size());
		assertTrue(problems.get(0) instanceof MissingTypeRule.MissingFunctionParameterTypeLinterProblem);
	}

	@Test
	public void testWithReturnType() {
		List<LinterRule> rules = new ArrayList<LinterRule>();
		rules.add(new MissingTypeRule());
		LinterSettings settings = new LinterSettings();
		settings.rules = rules;
		ASLinter linter = new ASLinter(settings);
		List<ICompilerProblem> problems = new ArrayList<ICompilerProblem>();
		linter.lint("file.as", "class MyClass{function methodName():String{return null;}}", problems);
		assertEquals(0, problems.size());
	}

	@Test
	public void testMissingReturnType() {
		List<LinterRule> rules = new ArrayList<LinterRule>();
		rules.add(new MissingTypeRule());
		LinterSettings settings = new LinterSettings();
		settings.rules = rules;
		ASLinter linter = new ASLinter(settings);
		List<ICompilerProblem> problems = new ArrayList<ICompilerProblem>();
		linter.lint("file.as", "class MyClass{function methodName(){}}", problems);
		assertEquals(1, problems.size());
		assertTrue(problems.get(0) instanceof MissingTypeRule.MissingFunctionReturnTypeLinterProblem);
	}
}