@Test
public void testEmptyConstruction() {
// PREPARE & TEST
final StringVariableResolver testee = new StringVariableResolver(new ArrayList<Variable>());
// VERIFY
assertThat(testee.getDepth()).isEmpty();
assertThat(testee.getResolved()).isEmpty();
assertThat(testee.getUnresolved()).isEmpty();
}
@Test
public void testTwoLevels() {
// PREPARE
final List<Variable> vars = new ArrayList<Variable>();
vars.add(new SimpleVariable("a", "a${b}"));
vars.add(new SimpleVariable("b", "2"));
// TEST
final StringVariableResolver testee = new StringVariableResolver(vars);
// VERIFY
assertThat(testee.getDepth()).contains(entry("a", 1), entry("b", 0));
assertThat(testee.getResolved()).contains(entry("a", "a2"), entry("b", "2"));
assertThat(testee.getUnresolved()).contains(entry("a", "a${b}"), entry("b", "2"));
}
@Test
public void testFourLevels() {
// PREPARE
final List<Variable> vars = new ArrayList<Variable>();
vars.add(new SimpleVariable("a", "1${b}"));
vars.add(new SimpleVariable("b", "2${c}"));
vars.add(new SimpleVariable("c", "3${d}"));
vars.add(new SimpleVariable("d", "4"));
// TEST
final StringVariableResolver testee = new StringVariableResolver(vars);
// VERIFY
assertThat(testee.getDepth())
.contains(entry("a", 3), entry("b", 2), entry("c", 1), entry("d", 0));
assertThat(testee.getResolved())
.contains(entry("a", "1234"), entry("b", "234"), entry("c", "34"), entry("d", "4"));
assertThat(testee.getUnresolved())
.contains(entry("a", "1${b}"), entry("b", "2${c}"), entry("c", "3${d}"), entry("d", "4"));
}