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-rw-r--r--Lib/idlelib/idle_test/test_stackviewer.py29
1 files changed, 20 insertions, 9 deletions
diff --git a/Lib/idlelib/idle_test/test_stackviewer.py b/Lib/idlelib/idle_test/test_stackviewer.py
index 3b8486a..98f53f9 100644
--- a/Lib/idlelib/idle_test/test_stackviewer.py
+++ b/Lib/idlelib/idle_test/test_stackviewer.py
@@ -1,21 +1,34 @@
-"Test stackviewer, coverage 19%."
+"Test stackviewer, coverage 63%."
from idlelib import stackviewer
import unittest
from test.support import requires
from tkinter import Tk
+from idlelib.tree import TreeNode, ScrolledCanvas
+import sys
-class Test(unittest.TestCase):
+
+class StackBrowserTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
+ svs = stackviewer.sys
+ try:
+ abc
+ except NameError:
+ svs.last_type, svs.last_value, svs.last_traceback = (
+ sys.exc_info())
+
requires('gui')
cls.root = Tk()
cls.root.withdraw()
@classmethod
def tearDownClass(cls):
+ svs = stackviewer.sys
+ del svs.last_traceback, svs.last_type, svs.last_value
+
cls.root.update_idletasks()
## for id in cls.root.tk.call('after', 'info'):
## cls.root.after_cancel(id) # Need for EditorWindow.
@@ -23,13 +36,11 @@ class Test(unittest.TestCase):
del cls.root
def test_init(self):
- try:
- zzz
- except NameError as e:
- ex = e
-# Test runners suppress setting of sys.last_xyx, which stackviewer needs.
-# Revise stackviewer so following works.
-# stackviewer.StackBrowser(self.root, ex=exc)
+ sb = stackviewer.StackBrowser(self.root)
+ isi = self.assertIsInstance
+ isi(stackviewer.sc, ScrolledCanvas)
+ isi(stackviewer.item, stackviewer.StackTreeItem)
+ isi(stackviewer.node, TreeNode)
if __name__ == '__main__':