TailorHelperTest.java

package org.springframework.roo.addon.tailor.util;

import junit.framework.Assert;

import org.junit.Test;
import org.springframework.roo.addon.tailor.CommandTransformation;

/**
 * Tests for {@link TailorHelper#replaceVars(CommandTransformation, String)}.
 * 
 * @author Birgitta Boeckeler
 */
public class TailorHelperTest {

  /**
   * Tests a standard case: 2 arguments in the trigger command, both of them
   * represented as placeholders in the target
   */
  @Test
  public void testReplaceVars() {
    final CommandTransformation rooCommand =
        new CommandTransformation(
            "project --topLevelPackage com.foo.sample --projectName test --domain otherdomainname");
    final String result =
        TailorHelper.replaceVars(rooCommand,
            "module create --moduleName ${domain} --topLevelPackage ${topLevelPackage}");
    final String expectedResult =
        "module create --moduleName otherdomainname --topLevelPackage com.foo.sample";
    Assert.assertEquals("Unexpected result: " + result, expectedResult, result);
  }

  /**
   * Test replaceVars when there is more than one occurence of the same
   * placeholder in the target
   */
  @Test
  public void testReplaceVarsDuplicatePlaceholders() {
    final CommandTransformation rooCommand =
        new CommandTransformation(
            "project --topLevelPackage com.foo.sample --projectName test --domain otherdomainname");
    final String result =
        TailorHelper.replaceVars(rooCommand,
            "module create --moduleName ${domain} --topLevelPackage ${topLevelPackage}.${domain}");
    final String expectedResult =
        "module create --moduleName otherdomainname --topLevelPackage com.foo.sample.otherdomainname";
    Assert.assertEquals("Unexpected result: " + result, expectedResult, result);
  }

  /**
   * Test for "unnamed argument": Use of ${*} as placeholder should result in
   * replacing it with the last fragment of the trigger command, i.e. the
   * first "unnamed" argument.
   */
  @Test
  public void testReplaceVarsForUnnamedArgument() {
    final CommandTransformation rooCommand = new CommandTransformation("cd test-data");
    final String result = TailorHelper.replaceVars(rooCommand, "module focus --moduleName ${*}");
    Assert.assertTrue("* was not replaced: " + result, result.endsWith("test-data"));
  }

  /**
   * Test makes sure that the regex used by TailorHelper does not match
   * placeholders that are similar, but different. (Prefix and suffix)
   */
  @Test
  public void testReplaceVarsSimilarPlaceholders() {
    final CommandTransformation rooCommand =
        new CommandTransformation(
            "project --topLevelPackage com.foo.sample --projectName test --domain otherdomainname");
    final String result =
        TailorHelper.replaceVars(rooCommand,
            "module create --moduleName ${xdomain} --topLevelPackage ${topLevelPackagex}");
    final String expectedResult =
        "module create --moduleName ${xdomain} --topLevelPackage ${topLevelPackagex}";
    Assert.assertEquals("Unexpected result: " + result, expectedResult, result);
  }

}