Convert test_next.py

Author: rocky

test/functional/test-next.py

@@ -0,0 +1,84 @@
+"""
+Functional test of debugger "next" command.
+"""
+import unittest
+from test.functional.fn_helper import compare_output, strarray_setup
+
+
+class TestNext(unittest.TestCase):
+    print("test ", __file__, "skipped")
+
+    def test_next_same_level(self):
+        # See that we can next with parameter which is the same as 'next 1'
+        cmds = ["next", "continue"]
+        d = strarray_setup(cmds)
+        d.core.start()
+        x = 5
+        y = 6
+        d.core.stop()
+        out = ["-- x = 5", "-- y = 6"]
+        compare_output(self, out, d)
+
+        # See that we can next with a computed count value
+        cmds = ["next 5-3", "continue"]
+        d = strarray_setup(cmds)
+        d.core.start()
+        x = 5  # NOQA
+        y = 6  # NOQA
+        z = 7  # NOQA
+        d.core.stop(options={"remove": True})
+        out = ["-- x = 5  # NOQA", "-- z = 7  # NOQA"]
+        compare_output(self, out, d)
+        return
+
+    def test_next_between_fn(self):
+        # Next over a function
+        def fact(x):
+            if x <= 1:
+                return 1
+            return fact(x - 1)
+
+        cmds = ["next", "continue"]
+        d = strarray_setup(cmds)
+        d.core.start()
+        x = fact(4)  # NOQA
+        y = 5  # NOQA
+        d.core.stop(options={"remove": True})
+        out = ["-- x = fact(4)  # NOQA", "-- y = 5  # NOQA"]
+        compare_output(self, out, d)
+        return
+
+    def test_next_in_exception(self):
+        return
+
+        def boom(x):
+            y = 0 / x  # NOQA
+            return
+
+        def buggy_fact(x):
+            if x <= 1:
+                return boom(0)
+            return buggy_fact(x - 1)
+
+        cmds = ["next", "continue"]
+        d = strarray_setup(cmds)
+        try:
+            d.core.start()
+            x = buggy_fact(4)  # NOQA
+            y = 5  # NOQA
+            self.assertTrue(False, "should have raised an exception")
+        except ZeroDivisionError:
+            self.assertTrue(True, "Got the exception")
+        finally:
+            d.core.stop(options={"remove": True})
+            pass
+
+        out = ["-- x = buggy_fact(4)  # NOQA", "!! x = buggy_fact(4)  # NOQA"]
+        compare_output(self, out, d, cmds)
+        return
+
+    pass
+
+
+if __name__ == "__main__":
+    unittest.main()