1 package com.xtremelabs.robolectric.util; 2 3 import org.junit.Test; 4 5 import java.util.Properties; 6 7 import static org.junit.Assert.assertEquals; 8 9 public class PropertiesHelperTest { 10 @Test 11 public void shouldDoVariableSubstitutionUsingSystemProperties() throws Exception { 12 System.setProperty("blinfiddle.ox.heart", "orange juice"); 13 System.setProperty("ornithopter.defenestration", "nickel"); 14 15 assertEquals(PropertiesHelper.doSingleSubstitution("presenting: ${blinfiddle.ox.heart} -- ${ornithopter.defenestration}.", null), "presenting: orange juice -- nickel."); 16 } 17 18 @Test 19 public void shouldDoVariableSubstitutionOnProperties() throws Exception { 20 Properties properties = new Properties(); 21 properties.setProperty("result", "{${first.value} + ${system.value.xbf5547}}"); 22 System.setProperty("system.value.xbf5547", "system"); 23 properties.setProperty("first.value", "first"); 24 PropertiesHelper.doSubstitutions(properties); 25 assertEquals("{first + system}", properties.getProperty("result")); 26 } 27 } 28
