@Test
public void testGeneratesSameIdenticonForSameHash() {
byte[] hash = Hashing.sha256().hashString("test", UTF_8).asBytes();
BufferedImage image = identicon.generate(hash);
BufferedImage image2 = identicon.generate(hash);
assertThat(getImageBytes(image)).isEqualTo(getImageBytes(image2));
}
@Test
public void testGeneratesIdenticon() {
byte[] hash = Hashing.sha256().hashString("test", UTF_8).asBytes();
BufferedImage image = identicon.generate(hash);
assertThat(image).isNotNull();
}
@Test(expected = IllegalArgumentException.class)
public void testFailsWithToShortHash() {
identicon.generate(new byte[] {1, 2});
}
@Test(expected = IllegalArgumentException.class)
public void testFailsWithNullHash() {
identicon.generate(null);
}