juneau-core/juneau-core-utest/src/test/java/org/apache/juneau/svl/vars/PatternReplaceVarTest.java

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package org.apache.juneau.svl.vars;

import static org.junit.Assert.*;

import org.apache.juneau.svl.*;
import org.junit.*;

public class PatternReplaceVarTest {

	//====================================================================================================
	// test - Basic tests
	//====================================================================================================
	@Test
	public void test() throws Exception {
		VarResolver vr = new VarResolverBuilder().vars(PatternReplaceVar.class, SystemPropertiesVar.class).build();

		System.setProperty("PatternReplaceVarTest.test", "foo bar");
		System.setProperty("PatternReplaceVarTest.test2", "size=23;display=none;");

		// Simple replacements
		assertEquals("bar bar", vr.resolve("$PR{$S{PatternReplaceVarTest.test},foo,bar}"));
		assertEquals("coo bar", vr.resolve("$PR{$S{PatternReplaceVarTest.test},^f?,co}"));
		assertEquals("fine", vr.resolve("$PR{$S{PatternReplaceVarTest.test},oo*,ine}"));
		assertEquals("FOO FOO", vr.resolve("$PR{$S{PatternReplaceVarTest.test},([a-z]+),FOO}"));
		
		// Replacements using matched sub classes 
		assertEquals("size=23px;display=none;", vr.resolve("$PR{$S{PatternReplaceVarTest.test2},(size=([\\d]+)),\\$1px}"));
		assertEquals("size=??px;display=none;", vr.resolve("$PR{$S{PatternReplaceVarTest.test2},[\\d]+,??px}"));
		assertEquals("size=23;display=none", vr.resolve("$PR{$S{PatternReplaceVarTest.test2},;\\$,}"));
		assertEquals("size=23;none=display;", vr.resolve("$PR{$S{PatternReplaceVarTest.test2},;(*)=(*[^;]),;\\$2=\\$1}"));
		

	}
}