test of repl autocompletion, #280

test/test_utils.py

@@ -0,0 +1,59 @@
+import readline
+
+from jedi import utils
+
+
+class TestSetupReadline():
+    namespace = dict()
+    utils.setup_readline(namespace)
+
+    def completions(self, text):
+        completer = readline.get_completer()
+        i = 0
+        completions = []
+        while True:
+            completion = completer(text, i)
+            if completion is None:
+                break
+            completions.append(completion)
+            i += 1
+        return completions
+
+    def test_simple(self):
+        assert self.completions('list') == ['list']
+        assert self.completions('importerror') == ['ImportError']
+
+    def test_nested(self):
+        assert self.completions('list.Insert') == ['list.insert']
+        assert self.completions('list().Insert') == ['list().insert']
+
+    def test_magic_methods(self):
+        assert self.completions('list.__getitem__') == ['list.__getitem__']
+        assert self.completions('list().__getitem__') == ['list().__getitem__']
+
+    def test_modules(self):
+        import sys
+        import os
+        self.namespace['sys'] = sys
+        self.namespace['os'] = os
+
+        c = set(['os.' + d for d in dir(os) if d.startswith('ch')])
+        assert set(self.completions('os.ch')) == set(c)
+        assert self.completions('os.chdir') == ['os.chdir']
+        assert self.completions('os.path.join') == ['os.path.join']
+        assert self.completions('os.path.join().upper') == ['os.path.join().upper']
+
+        del self.namespace['sys']
+        del self.namespace['os']
+
+    def test_colorama(self):
+        """Only test it if colorama library is available"""
+        try:
+            # if colorama is installed
+            import colorama
+        except ImportError:
+            pass
+        else:
+            self.namespace['colorama'] = colorama
+            assert self.completions('colorama')
+            del self.namespace['colorama']