1 package com.lexicalscope.fluentreflection.usecases;
2
3 import static com.lexicalscope.fluentreflection.FluentReflection.*;
4 import static com.lexicalscope.fluentreflection.ReflectionMatchers.hasName;
5 import static org.hamcrest.MatcherAssert.assertThat;
6 import static org.hamcrest.Matchers.equalTo;
7
8 import org.junit.Test;
9
10 /*
11 * Copyright 2012 Tim Wood
12 *
13 * Licensed under the Apache License, Version 2.0 (the "License");
14 * you may not use this file except in compliance with the License.
15 * You may obtain a copy of the License at
16 *
17 * http://www.apache.org/licenses/LICENSE-2.0
18 *
19 * Unless required by applicable law or agreed to in writing, software
20 * distributed under the License is distributed on an "AS IS" BASIS,
21 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
22 * See the License for the specific language governing permissions and
23 * limitations under the License.
24 */
25
26 public class TestJoorExamples {
27 /**
28 * String world = on("java.lang.String") // Like Class.forName()
29 * .create("Hello World") // Call the most specific matching constructor
30 * .call("substring", 6) // Call the most specific matching substring() method
31 * .call("toString") // Call toString()
32 * .get(); // Get the wrapped object, in this case a String
33 */
34 @Test public void joorStringExample()
35 {
36 assertThat(type("java.lang.String").
37 construct("Hello World").
38 call("substring", 6).
39 call("toString").
40 as(String.class),
41 equalTo("World"));
42 }
43
44 /**
45 * Employee[] employees = on(department).call("getEmployees").get();
46 * for (Employee employee : employees) {
47 * Street street = on(employee).call("getAddress").call("getStreet").get();
48 * System.out.println(street);
49 * }
50 */
51 @Test @SuppressWarnings("unused") public void joorArrayExample() {
52 class Address {
53 private final String street;
54 public Address(final String street) { this.street = street; }
55 String getStreet() { return street; }
56 }
57 class Employee {
58 private final String street;
59 public Employee(final String street) { this.street = street; }
60 Address getAddress() { return new Address(street); }
61 }
62 class Department {
63 Employee[] getEmployees() { return new Employee[]{new Employee("street0"), new Employee("street1")}; }
64 }
65
66 final Employee[] employees = object(new Department()).call("getEmployees").as(Employee[].class);
67 for (int i = 0; i < employees.length; i++) {
68 assertThat(
69 object(employees[i]).call("getAddress").call("getStreet").as(String.class),
70 equalTo("street" + i));
71 }
72 }
73
74 @Test public void joorStringExampleWithMatchers()
75 {
76 assertThat(type("java.lang.String").
77 construct("Hello World").
78 call(hasName("substring"), 6).
79 call(hasName("toString")).
80 as(String.class),
81 equalTo("World"));
82 }
83 }