Move most API of CommandParts to util classes

Gradual transition to removing CommandParts altogether. - Move logic from CommandParts to utils classes
2015-12-04 23:19:37 +01:00
parent bb93c7164a
commit 2faad44ffa
19 changed files with 278 additions and 117 deletions
@@ -0,0 +1,102 @@
+package fr.xephi.authme.util;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.Assert.assertThat;
+import static org.hamcrest.Matchers.empty;
+
+/**
+ * Test for {@link CollectionUtils}.
+ */
+public class CollectionUtilsTest {
+
+    @Test
+    public void shouldGetFullList() {
+        // given
+        List<String> list = Arrays.asList("test", "1", "2", "3", "4");
+
+        // when
+        List<String> result = CollectionUtils.getRange(list, 0, 24);
+
+        // then
+        assertThat(result, equalTo(list));
+    }
+
+    @Test
+    public void shouldReturnEmptyListForZeroCount() {
+        // given
+        List<String> list = Arrays.asList("test", "1", "2", "3", "4");
+
+        // when
+        List<String> result = CollectionUtils.getRange(list, 2, 0);
+
+        // then
+        assertThat(result, empty());
+    }
+
+
+    @Test
+    public void shouldReturnEmptyListForTooHighStart() {
+        // given
+        List<String> list = Arrays.asList("test", "1", "2", "3", "4");
+
+        // when
+        List<String> result = CollectionUtils.getRange(list, 12, 2);
+
+        // then
+        assertThat(result, empty());
+    }
+
+    @Test
+    public void shouldReturnSubList() {
+        // given
+        List<String> list = Arrays.asList("test", "1", "2", "3", "4");
+
+        // when
+        List<String> result = CollectionUtils.getRange(list, 1, 3);
+
+        // then
+        assertThat(result, contains("1", "2", "3"));
+    }
+
+    @Test
+    public void shouldReturnTillEnd() {
+        // given
+        List<String> list = Arrays.asList("test", "1", "2", "3", "4");
+
+        // when
+        List<String> result = CollectionUtils.getRange(list, 2, 3);
+
+        // then
+        assertThat(result, contains("2", "3", "4"));
+    }
+
+    @Test
+    public void shouldRemoveFirstTwo() {
+        // given
+        List<String> list = Arrays.asList("test", "1", "2", "3", "4");
+
+        // when
+        List<String> result = CollectionUtils.getRange(list, 2);
+
+        // then
+        assertThat(result, contains("2", "3", "4"));
+    }
+
+    @Test
+    public void shouldHandleNegativeStart() {
+        // given
+        List<String> list = Arrays.asList("test", "1", "2", "3", "4");
+
+        // when
+        List<String> result = CollectionUtils.getRange(list, -4);
+
+        // then
+        assertThat(result, equalTo(list));
+    }
+}