BAEL-917 Testing with Google Truth (#1874)

* BAEL-917 Testing with Google Truth * BAEL-917 Testing with Google Truth
2017-05-21 13:23:04 -05:00
parent 3a34f906a2
commit 378d20f053
4 changed files with 678 additions and 1 deletions
@@ -0,0 +1,57 @@
+package com.baeldung.testing.truth;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+
+public class User implements Comparable<User> {
+    private String name = "John Doe";
+    private List<String> emails = Arrays.asList("contact@baeldung.com", "staff@baeldung.com");
+
+    public User() {
+    }
+
+    public User(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<String> getEmails() {
+        return emails;
+    }
+
+    public void setEmails(List<String> emails) {
+        this.emails = emails;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 5;
+        hash = 37 * hash + Objects.hashCode(this.name);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null || getClass() != obj.getClass()) {
+            return false;
+        }
+
+        final User other = (User) obj;
+        return Objects.equals(this.name, other.name);
+    }
+
+    @Override
+    public int compareTo(User o) {
+        return this.getName()
+            .compareToIgnoreCase(o.getName());
+    }
+
+}
@@ -0,0 +1,46 @@
+package com.baeldung.testing.truth;
+
+import com.google.common.truth.ComparableSubject;
+import com.google.common.truth.FailureStrategy;
+import com.google.common.truth.IterableSubject;
+import com.google.common.truth.SubjectFactory;
+import com.google.common.truth.Truth;
+
+public class UserSubject extends ComparableSubject<UserSubject, User> {
+
+    private UserSubject(FailureStrategy failureStrategy, User target) {
+        super(failureStrategy, target);
+    }
+
+    private static final SubjectFactory<UserSubject, User> USER_SUBJECT_FACTORY = new SubjectFactory<UserSubject, User>() {
+        @Override
+        public UserSubject getSubject(FailureStrategy failureStrategy, User target) {
+            return new UserSubject(failureStrategy, target);
+        }
+    };
+
+    public static UserSubject assertThat(User user) {
+        return Truth.assertAbout(USER_SUBJECT_FACTORY)
+            .that(user);
+    }
+
+    // Our API begins here
+    public void hasName(String name) {
+        if (!actual().getName()
+            .equals(name)) {
+            fail("has name", name);
+        }
+    }
+
+    public void hasNameIgnoringCase(String name) {
+        if (!actual().getName()
+            .equalsIgnoreCase(name)) {
+            fail("has name ignoring case", name);
+        }
+    }
+
+    public IterableSubject emails() {
+        return Truth.assertThat(actual().getEmails());
+    }
+
+}