@Test
public void testMergeDemergeWithNullAsPassword() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
String merged = pwd.nowMergePasswordAndSalt(null, "foo", true);
assertThat(merged).isEqualTo("{foo}");
String[] demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("");
assertThat(demerged[1]).isEqualTo("foo");
}
@Test
public void testDemergeWithNullIsRejected() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
try {
pwd.nowDemergePasswordAndSalt(null);
fail("Should have thrown IllegalArgumentException");
} catch (IllegalArgumentException expected) {
assertThat(expected.getMessage()).isEqualTo("Cannot pass a null or empty String");
}
}
@Test
public void testStrictMergeRejectsDelimitersInSalt2() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
try {
pwd.nowMergePasswordAndSalt("password", "f}oo", true);
fail("Should have thrown IllegalArgumentException");
} catch (IllegalArgumentException expected) {
assertThat(expected.getMessage()).isEqualTo("Cannot use { or } in salt.toString()");
}
}
@Test
public void testMergeDemergeWithDelimitersInPassword() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
String merged = pwd.nowMergePasswordAndSalt("p{ass{w{o}rd", "foo", true);
assertThat(merged).isEqualTo("p{ass{w{o}rd{foo}");
String[] demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("p{ass{w{o}rd");
assertThat(demerged[1]).isEqualTo("foo");
}
@Test
public void testDemergeHandlesEmptyAndNullSalts() {
MockPasswordEncoder pwd = new MockPasswordEncoder();
String merged = pwd.nowMergePasswordAndSalt("password", null, true);
String[] demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("password");
assertThat(demerged[1]).isEqualTo("");
merged = pwd.nowMergePasswordAndSalt("password", "", true);
demerged = pwd.nowDemergePasswordAndSalt(merged);
assertThat(demerged[0]).isEqualTo("password");
assertThat(demerged[1]).isEqualTo("");
}
