com.devonfw.cobigen.test.matchers.CustomHamcrestMatchers Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of core-test Show documentation

A Code-based incremental Generator

The newest version!

package com.devonfw.cobigen.test.matchers;

import static org.hamcrest.core.AllOf.allOf;

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

import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import org.hamcrest.core.IsCollectionContaining;

/**
 * These functions have been ported from hamcrest, whereas the signature has been customized
 */
public class CustomHamcrestMatchers {

  /**
   * Creates a matcher for {@link List}s that matches when consecutive passes over the examined {@link List} yield at
   * least one item that is matched by the corresponding matcher from the specified itemMatchers. Whilst
   * matching, each traversal of the examined {@link List} will stop as soon as a matching item is found.
   * 
   * For example:
   *
   * 
   * assertThat(Arrays.asList("foo", "bar", "baz"), hasItems(endsWith("z"), endsWith("o")))
   * 
   *
   * @param  Type of items to be matched
   *
   * @param itemMatchers the matchers to apply to items provided by the examined {@link List}
   * @return the matcher instance
   */
  @Factory
  @SuppressWarnings("unchecked")
  public static  Matcher> hasItemsInList(Matcher... itemMatchers) {

    List>> all = new ArrayList<>(itemMatchers.length);

    for (Matcher elementMatcher : itemMatchers) {
      // Doesn't forward to hasItem() method so compiler can sort out generics.
      all.add(new IsCollectionContaining<>(elementMatcher));
    }

    return allOf(all);
  }
}