bpo-33855: More edits and new minimal tests for IDLE (GH-7761)

Part 2 of 3.  Continues PR #7689, changeset ee5ef30.
Edit and add tests for 18 modules, help_about to replace and run.

1 files changed, 40 insertions, 0 deletions

diff --git a/Lib/idlelib/idle_test/test_multicall.py b/Lib/idlelib/idle_test/test_multicall.py
new file mode 100644
index 0000000..68156a7
--- /dev/null
+++ b/Lib/idlelib/idle_test/test_multicall.py
@@ -0,0 +1,40 @@
+"Test multicall, coverage 33%."
+
+from idlelib import multicall
+import unittest
+from test.support import requires
+from tkinter import Tk, Text
+
+
+class MultiCallTest(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        requires('gui')
+        cls.root = Tk()
+        cls.root.withdraw()
+        cls.mc = multicall.MultiCallCreator(Text)
+
+    @classmethod
+    def tearDownClass(cls):
+        del cls.mc
+        cls.root.update_idletasks()
+##        for id in cls.root.tk.call('after', 'info'):
+##            cls.root.after_cancel(id)  # Need for EditorWindow.
+        cls.root.destroy()
+        del cls.root
+
+    def test_creator(self):
+        mc = self.mc
+        self.assertIs(multicall._multicall_dict[Text], mc)
+        self.assertTrue(issubclass(mc, Text))
+        mc2 = multicall.MultiCallCreator(Text)
+        self.assertIs(mc, mc2)
+
+    def test_init(self):
+        mctext = self.mc(self.root)
+        self.assertIsInstance(mctext._MultiCall__binders, list)
+
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)