Add tests for the new tabs module

test/test_tabs.py

@@ -0,0 +1,171 @@
+"""
+Tests for the Tabs list module
+"""
+
+from poezio.core.tabs import Tabs
+from poezio.tabs import GapTab
+
+class DummyTab:
+    count = 0
+
+    def __init__(self):
+        self.name = 'dummy%s' % self.count
+        DummyTab.count += 1
+
+    @staticmethod
+    def reset():
+        DummyTab.count = 0
+
+def test_append():
+    DummyTab.reset()
+    tabs = Tabs()
+    dummy = DummyTab()
+    tabs.append(dummy)
+    assert tabs[0] is dummy
+    assert tabs[0].nb == 0
+    assert tabs['dummy0'] is dummy
+    assert tabs.by_class(DummyTab) == [dummy]
+
+    dummy2 = DummyTab()
+    tabs.append(dummy2)
+    assert tabs[1] is dummy2
+    assert tabs[1].nb == 1
+    assert tabs['dummy1'] is dummy2
+    assert tabs.by_class(DummyTab) == [dummy, dummy2]
+
+def test_delete():
+    DummyTab.reset()
+    tabs = Tabs()
+    dummy = DummyTab()
+    dummy2 = DummyTab()
+    tabs.append(dummy)
+    tabs.append(dummy2)
+
+    tabs.delete(dummy)
+    assert tabs[0] is dummy2
+    assert tabs.by_class(DummyTab) == [dummy2]
+    assert tabs['dummy0'] is None
+    assert dummy2.nb == 0
+
+
+def test_delete_restore_previous():
+    DummyTab.reset()
+    tabs = Tabs()
+    dummy = DummyTab()
+    dummy2 = DummyTab()
+    dummy3 = DummyTab()
+    dummy4 = DummyTab()
+    tabs.append(dummy)
+    tabs.append(dummy2)
+    tabs.append(dummy3)
+    tabs.append(dummy4)
+
+    tabs.set_current_tab(dummy4)
+    tabs.set_current_tab(dummy2)
+    tabs.delete(dummy2)
+    assert tabs.current_tab is dummy4
+    assert tabs.current_index == 2
+    assert dummy.nb == 0
+    assert dummy3.nb == 1
+    assert dummy4.nb == 2
+
+def test_delete_other_tab():
+    DummyTab.reset()
+    tabs = Tabs()
+    dummy = DummyTab()
+    dummy2 = DummyTab()
+    dummy3 = DummyTab()
+    dummy4 = DummyTab()
+    tabs.append(dummy)
+    tabs.append(dummy2)
+    tabs.append(dummy3)
+    tabs.append(dummy4)
+
+    tabs.set_current_tab(dummy4)
+    tabs.delete(dummy2)
+    assert tabs.current_tab is dummy4
+    assert tabs.current_index == 2
+    assert dummy.nb == 0
+    assert dummy3.nb == 1
+    assert dummy4.nb == 2
+
+def test_insert_and_gaps():
+    DummyTab.reset()
+    tabs = Tabs()
+    dummy = DummyTab()
+    dummy2 = DummyTab()
+    dummy3 = DummyTab()
+    tabs.append(dummy)
+    tabs.append(dummy2)
+    tabs.append(dummy3)
+
+    tabs.insert_tab(2, 1)
+    assert tabs[1] is dummy3
+    assert tabs[2] is dummy2
+
+    tabs.insert_tab(1, 100, gaps=True)
+    assert isinstance(tabs[1], GapTab)
+    assert tabs[3] is dummy3
+    assert tabs[3].nb == 3
+
+    tabs.update_gaps(enable_gaps=False)
+    assert tabs[1] is dummy2
+    assert tabs[1].nb == 1
+
+def test_replace_tabs():
+    DummyTab.reset()
+    tabs = Tabs()
+    dummy = DummyTab()
+    dummy2 = DummyTab()
+    dummy3 = DummyTab()
+    tabs.append(dummy)
+    tabs.append(dummy2)
+    tabs.append(dummy3)
+
+    tabs.replace_tabs([dummy3, dummy2, dummy])
+    assert tabs[0] is dummy3
+    assert tabs[2] is dummy
+    assert tabs[2].nb == 2
+
+def test_prev_next():
+    DummyTab.reset()
+    tabs = Tabs()
+    dummy = DummyTab()
+    dummy2 = DummyTab()
+    dummy3 = DummyTab()
+    tabs.append(dummy)
+    tabs.append(dummy2)
+    tabs.append(dummy3)
+
+    for idx in range(6):
+        assert tabs.current_index == idx % 3
+        tabs.next()
+
+    for idx in range(6):
+        assert (3 - idx) % 3 == tabs.current_index
+        tabs.prev()
+
+    tabs.insert_tab(1, 999, gaps=True)
+
+    assert tabs.current_index == 0
+    tabs.next()
+    assert tabs.current_index == 2
+    tabs.prev()
+    assert tabs.current_index == 0
+
+def test_set_current():
+    DummyTab.reset()
+    tabs = Tabs()
+    dummy = DummyTab()
+    dummy2 = DummyTab()
+    dummy3 = DummyTab()
+    tabs.append(dummy)
+    tabs.append(dummy2)
+    tabs.append(dummy3)
+
+    assert tabs.current_tab is dummy
+    tabs.set_current_index(2)
+    assert tabs.current_tab is dummy3
+    tabs.set_current_tab(dummy2)
+    assert tabs.current_tab is dummy2
+