Merge pull request #3724 from typoon/command-history-file

Save user executed commands to a history file

2 files changed, 507 insertions, 163 deletions

diff --git a/test/mitmproxy/addons/test_command_history.py b/test/mitmproxy/addons/test_command_history.py
new file mode 100644
index 00000000..df20fba7
--- /dev/null
+++ b/test/mitmproxy/addons/test_command_history.py
@@ -0,0 +1,265 @@
+import os
+
+from mitmproxy.addons import command_history
+from mitmproxy.test import taddons
+
+
+class TestCommandHistory:
+    def test_load_from_file(self, tmpdir):
+        commands = ['cmd1', 'cmd2', 'cmd3']
+        with open(tmpdir.join('command_history'), 'w') as f:
+            f.write("\n".join(commands))
+
+        ch = command_history.CommandHistory()
+        with taddons.context(ch) as tctx:
+            tctx.options.confdir = str(tmpdir)
+            assert ch.history == commands
+
+    def test_add_command(self):
+        history = command_history.CommandHistory()
+
+        history.add_command('cmd1')
+        history.add_command('cmd2')
+
+        assert history.history == ['cmd1', 'cmd2']
+
+        history.add_command('')
+        assert history.history == ['cmd1', 'cmd2']
+
+    def test_get_next_and_prev(self, tmpdir):
+        ch = command_history.CommandHistory()
+
+        with taddons.context(ch) as tctx:
+            tctx.options.confdir = str(tmpdir)
+
+            ch.add_command('cmd1')
+
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+
+            ch.add_command('cmd2')
+
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+            assert ch.get_prev() == 'cmd2'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_next() == 'cmd2'
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+
+            ch.add_command('cmd3')
+
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+            assert ch.get_prev() == 'cmd3'
+            assert ch.get_prev() == 'cmd2'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_next() == 'cmd2'
+            assert ch.get_next() == 'cmd3'
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+            assert ch.get_prev() == 'cmd3'
+            assert ch.get_prev() == 'cmd2'
+
+            ch.add_command('cmd4')
+
+            assert ch.get_prev() == 'cmd4'
+            assert ch.get_prev() == 'cmd3'
+            assert ch.get_prev() == 'cmd2'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_next() == 'cmd2'
+            assert ch.get_next() == 'cmd3'
+            assert ch.get_next() == 'cmd4'
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+
+            ch.add_command('cmd5')
+            ch.add_command('cmd6')
+
+            assert ch.get_next() == ''
+            assert ch.get_prev() == 'cmd6'
+            assert ch.get_prev() == 'cmd5'
+            assert ch.get_prev() == 'cmd4'
+            assert ch.get_next() == 'cmd5'
+            assert ch.get_prev() == 'cmd4'
+            assert ch.get_prev() == 'cmd3'
+            assert ch.get_prev() == 'cmd2'
+            assert ch.get_next() == 'cmd3'
+            assert ch.get_prev() == 'cmd2'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_next() == 'cmd2'
+            assert ch.get_next() == 'cmd3'
+            assert ch.get_next() == 'cmd4'
+            assert ch.get_next() == 'cmd5'
+            assert ch.get_next() == 'cmd6'
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+
+            ch.clear_history()
+
+    def test_clear(self, tmpdir):
+        ch = command_history.CommandHistory()
+
+        with taddons.context(ch) as tctx:
+            tctx.options.confdir = str(tmpdir)
+            ch.add_command('cmd1')
+            ch.add_command('cmd2')
+            ch.clear_history()
+
+            saved_commands = ch.get_history()
+            assert saved_commands == []
+
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+            assert ch.get_prev() == ''
+            assert ch.get_prev() == ''
+
+            ch.clear_history()
+
+    def test_filter(self, tmpdir):
+        ch = command_history.CommandHistory()
+
+        with taddons.context(ch) as tctx:
+            tctx.options.confdir = str(tmpdir)
+
+            ch.add_command('cmd1')
+            ch.add_command('cmd2')
+            ch.add_command('abc')
+            ch.set_filter('c')
+
+            assert ch.get_next() == 'c'
+            assert ch.get_next() == 'c'
+            assert ch.get_prev() == 'cmd2'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_next() == 'cmd2'
+            assert ch.get_next() == 'c'
+            assert ch.get_next() == 'c'
+
+            ch.set_filter('')
+
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+            assert ch.get_prev() == 'abc'
+            assert ch.get_prev() == 'cmd2'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_prev() == 'cmd1'
+            assert ch.get_next() == 'cmd2'
+            assert ch.get_next() == 'abc'
+            assert ch.get_next() == ''
+            assert ch.get_next() == ''
+
+            ch.clear_history()
+
+    def test_multiple_instances(self, tmpdir):
+        ch = command_history.CommandHistory()
+        with taddons.context(ch) as tctx:
+            tctx.options.confdir = str(tmpdir)
+
+        instances = [
+            command_history.CommandHistory(),
+            command_history.CommandHistory(),
+            command_history.CommandHistory()
+        ]
+
+        for i in instances:
+            i.configure('command_history')
+            saved_commands = i.get_history()
+            assert saved_commands == []
+
+        instances[0].add_command('cmd1')
+        saved_commands = instances[0].get_history()
+        assert saved_commands == ['cmd1']
+
+        # These instances haven't yet added a new command, so they haven't
+        # yet reloaded their commands from the command file.
+        # This is expected, because if the user is filtering a command on
+        # another window, we don't want to interfere with that
+        saved_commands = instances[1].get_history()
+        assert saved_commands == []
+        saved_commands = instances[2].get_history()
+        assert saved_commands == []
+
+        # Since the second instanced added a new command, its list of
+        # saved commands has been updated to have the commands from the
+        # first instance + its own commands
+        instances[1].add_command('cmd2')
+        saved_commands = instances[1].get_history()
+        assert saved_commands == ['cmd2']
+
+        saved_commands = instances[0].get_history()
+        assert saved_commands == ['cmd1']
+
+        # Third instance is still empty as it has not yet ran any command
+        saved_commands = instances[2].get_history()
+        assert saved_commands == []
+
+        instances[2].add_command('cmd3')
+        saved_commands = instances[2].get_history()
+        assert saved_commands == ['cmd3']
+
+        instances[0].add_command('cmd4')
+        saved_commands = instances[0].get_history()
+        assert saved_commands == ['cmd1', 'cmd4']
+
+        instances.append(command_history.CommandHistory())
+        instances[3].configure('command_history')
+        saved_commands = instances[3].get_history()
+        assert saved_commands == ['cmd1', 'cmd2', 'cmd3', 'cmd4']
+
+        instances[0].add_command('cmd_before_close')
+        instances.pop(0).done()
+
+        saved_commands = instances[0].get_history()
+        assert saved_commands == ['cmd2']
+
+        instances[0].add_command('new_cmd')
+        saved_commands = instances[0].get_history()
+        assert saved_commands == ['cmd2', 'new_cmd']
+
+        instances.pop(0).done()
+        instances.pop(0).done()
+        instances.pop(0).done()
+
+        _path = os.path.join(tctx.options.confdir, 'command_history')
+        lines = open(_path, 'r').readlines()
+        saved_commands = [cmd.strip() for cmd in lines]
+        assert saved_commands == ['cmd1', 'cmd2', 'cmd3', 'cmd4', 'cmd_before_close', 'new_cmd']
+
+        instances = [
+            command_history.CommandHistory(),
+            command_history.CommandHistory()
+        ]
+
+        for i in instances:
+            i.configure('command_history')
+            i.clear_history()
+            saved_commands = i.get_history()
+            assert saved_commands == []
+
+        instances[0].add_command('cmd1')
+        instances[0].add_command('cmd2')
+        instances[1].add_command('cmd3')
+        instances[1].add_command('cmd4')
+        instances[1].add_command('cmd5')
+
+        saved_commands = instances[1].get_history()
+        assert saved_commands == ['cmd3', 'cmd4', 'cmd5']
+
+        instances.pop().done()
+        instances.pop().done()
+
+        _path = os.path.join(tctx.options.confdir, 'command_history')
+        lines = open(_path, 'r').readlines()
+        saved_commands = [cmd.strip() for cmd in lines]
+        assert saved_commands == ['cmd1', 'cmd2', 'cmd3', 'cmd4', 'cmd5']
diff --git a/test/mitmproxy/tools/console/test_commander.py b/test/mitmproxy/tools/console/test_commander.py
index a77be043..839f81e5 100644
--- a/test/mitmproxy/tools/console/test_commander.py
+++ b/test/mitmproxy/tools/console/test_commander.py
@@ -1,9 +1,30 @@
 import pytest
 
+from mitmproxy import options
+from mitmproxy.addons import command_history
 from mitmproxy.test import taddons
 from mitmproxy.tools.console.commander import commander
 
 
+@pytest.fixture(autouse=True)
+def tctx(tmpdir):
+    # This runs before each test
+    dir_name = tmpdir.mkdir('mitmproxy').dirname
+    confdir = dir_name
+
+    opts = options.Options()
+    opts.set(*[f"confdir={confdir}"])
+    tctx = taddons.context(options=opts)
+    ch = command_history.CommandHistory()
+    tctx.master.addons.add(ch)
+    ch.configure('command_history')
+
+    yield tctx
+
+    # This runs after each test
+    ch.clear_history()
+
+
 class TestListCompleter:
     def test_cycle(self):
         tests = [
@@ -23,178 +44,237 @@ class TestListCompleter:
                 ["b", "ba", "bb", "b"]
             ],
         ]
-        for start, options, cycle in tests:
-            c = commander.ListCompleter(start, options)
+        for start, opts, cycle in tests:
+            c = commander.ListCompleter(start, opts)
             for expected in cycle:
                 assert c.cycle() == expected
 
 
 class TestCommandEdit:
-    def test_open_command_bar(self):
-        with taddons.context() as tctx:
-            history = commander.CommandHistory(tctx.master, size=3)
-            edit = commander.CommandEdit(tctx.master, '', history)
 
-            try:
-                edit.update()
-            except IndexError:
-                pytest.faied("Unexpected IndexError")
+    def test_open_command_bar(self, tctx):
+        edit = commander.CommandEdit(tctx.master, '')
 
-    def test_insert(self):
-        with taddons.context() as tctx:
-            history = commander.CommandHistory(tctx.master, size=3)
-            edit = commander.CommandEdit(tctx.master, '', history)
-            edit.keypress(1, 'a')
-            assert edit.get_edit_text() == 'a'
-
-            # Don't let users type a space before starting a command
-            # as a usability feature
-            history = commander.CommandHistory(tctx.master, size=3)
-            edit = commander.CommandEdit(tctx.master, '', history)
-            edit.keypress(1, ' ')
-            assert edit.get_edit_text() == ''
+        try:
+            edit.update()
+        except IndexError:
+            pytest.faied("Unexpected IndexError")
 
-    def test_backspace(self):
-        with taddons.context() as tctx:
-            history = commander.CommandHistory(tctx.master, size=3)
-            edit = commander.CommandEdit(tctx.master, '', history)
-            edit.keypress(1, 'a')
-            edit.keypress(1, 'b')
-            assert edit.get_edit_text() == 'ab'
-            edit.keypress(1, 'backspace')
-            assert edit.get_edit_text() == 'a'
+    def test_insert(self, tctx):
+        edit = commander.CommandEdit(tctx.master, '')
+        edit.keypress(1, 'a')
+        assert edit.get_edit_text() == 'a'
 
-    def test_left(self):
-        with taddons.context() as tctx:
-            history = commander.CommandHistory(tctx.master, size=3)
-            edit = commander.CommandEdit(tctx.master, '', history)
-            edit.keypress(1, 'a')
-            assert edit.cbuf.cursor == 1
-            edit.keypress(1, 'left')
-            assert edit.cbuf.cursor == 0
+        # Don't let users type a space before starting a command
+        # as a usability feature
+        edit = commander.CommandEdit(tctx.master, '')
+        edit.keypress(1, ' ')
+        assert edit.get_edit_text() == ''
 
-            # Do it again to make sure it won't go negative
-            edit.keypress(1, 'left')
-            assert edit.cbuf.cursor == 0
+    def test_backspace(self, tctx):
+        edit = commander.CommandEdit(tctx.master, '')
 
-    def test_right(self):
-        with taddons.context() as tctx:
-            history = commander.CommandHistory(tctx.master, size=3)
-            edit = commander.CommandEdit(tctx.master, '', history)
-            edit.keypress(1, 'a')
-            assert edit.cbuf.cursor == 1
-
-            # Make sure cursor won't go past the text
-            edit.keypress(1, 'right')
-            assert edit.cbuf.cursor == 1
-
-            # Make sure cursor goes left and then back right
-            edit.keypress(1, 'left')
-            assert edit.cbuf.cursor == 0
-            edit.keypress(1, 'right')
-            assert edit.cbuf.cursor == 1
-
-    def test_up_and_down(self):
-        with taddons.context() as tctx:
-            history = commander.CommandHistory(tctx.master, size=3)
-            edit = commander.CommandEdit(tctx.master, '', history)
-
-            buf = commander.CommandBuffer(tctx.master, 'cmd1')
-            history.add_command(buf)
-            buf = commander.CommandBuffer(tctx.master, 'cmd2')
-            history.add_command(buf)
-
-            edit.keypress(1, 'up')
-            assert edit.get_edit_text() == 'cmd2'
-            edit.keypress(1, 'up')
-            assert edit.get_edit_text() == 'cmd1'
-            edit.keypress(1, 'up')
-            assert edit.get_edit_text() == 'cmd1'
-
-            history = commander.CommandHistory(tctx.master, size=5)
-            edit = commander.CommandEdit(tctx.master, '', history)
-            edit.keypress(1, 'a')
-            edit.keypress(1, 'b')
-            edit.keypress(1, 'c')
-            assert edit.get_edit_text() == 'abc'
-            edit.keypress(1, 'up')
-            assert edit.get_edit_text() == ''
-            edit.keypress(1, 'down')
-            assert edit.get_edit_text() == 'abc'
-            edit.keypress(1, 'down')
-            assert edit.get_edit_text() == 'abc'
-
-            history = commander.CommandHistory(tctx.master, size=5)
-            edit = commander.CommandEdit(tctx.master, '', history)
-            buf = commander.CommandBuffer(tctx.master, 'cmd3')
-            history.add_command(buf)
-            edit.keypress(1, 'z')
-            edit.keypress(1, 'up')
-            assert edit.get_edit_text() == 'cmd3'
-            edit.keypress(1, 'down')
-            assert edit.get_edit_text() == 'z'
-
-
-class TestCommandHistory:
-    def fill_history(self, commands):
-        with taddons.context() as tctx:
-            history = commander.CommandHistory(tctx.master, size=3)
-            for c in commands:
-                cbuf = commander.CommandBuffer(tctx.master, c)
-                history.add_command(cbuf)
-        return history, tctx.master
-
-    def test_add_command(self):
-        commands = ["command1", "command2"]
-        history, tctx_master = self.fill_history(commands)
-
-        saved_commands = [buf.text for buf in history.saved_commands]
-        assert saved_commands == [""] + commands
-
-        # The history size is only 3. So, we forget the first
-        # one command, when adding fourth command
-        cbuf = commander.CommandBuffer(tctx_master, "command3")
-        history.add_command(cbuf)
-        saved_commands = [buf.text for buf in history.saved_commands]
-        assert saved_commands == commands + ["command3"]
-
-        # Commands with the same text are not repeated in the history one by one
-        history.add_command(cbuf)
-        saved_commands = [buf.text for buf in history.saved_commands]
-        assert saved_commands == commands + ["command3"]
-
-        # adding command in execution mode sets index at the beginning of the history
-        # and replace the last command buffer if it is empty or has the same text
-        cbuf = commander.CommandBuffer(tctx_master, "")
-        history.add_command(cbuf)
-        history.index = 0
-        cbuf = commander.CommandBuffer(tctx_master, "command4")
-        history.add_command(cbuf, True)
-        assert history.index == history.last_index
-        saved_commands = [buf.text for buf in history.saved_commands]
-        assert saved_commands == ["command2", "command3", "command4"]
-
-    def test_get_next(self):
-        commands = ["command1", "command2"]
-        history, tctx_master = self.fill_history(commands)
-
-        history.index = -1
-        expected_items = ["", "command1", "command2"]
-        for i in range(3):
-            assert history.get_next().text == expected_items[i]
-        # We are at the last item of the history
-        assert history.get_next() is None
-
-    def test_get_prev(self):
-        commands = ["command1", "command2"]
-        history, tctx_master = self.fill_history(commands)
-
-        expected_items = ["command2", "command1", ""]
-        history.index = history.last_index + 1
-        for i in range(3):
-            assert history.get_prev().text == expected_items[i]
-        # We are at the first item of the history
-        assert history.get_prev() is None
+        edit.keypress(1, 'a')
+        edit.keypress(1, 'b')
+        assert edit.get_edit_text() == 'ab'
+
+        edit.keypress(1, 'backspace')
+        assert edit.get_edit_text() == 'a'
+
+    def test_left(self, tctx):
+        edit = commander.CommandEdit(tctx.master, '')
+
+        edit.keypress(1, 'a')
+        assert edit.cbuf.cursor == 1
+
+        edit.keypress(1, 'left')
+        assert edit.cbuf.cursor == 0
+
+        # Do it again to make sure it won't go negative
+        edit.keypress(1, 'left')
+        assert edit.cbuf.cursor == 0
+
+    def test_right(self, tctx):
+        edit = commander.CommandEdit(tctx.master, '')
+
+        edit.keypress(1, 'a')
+        assert edit.cbuf.cursor == 1
+
+        # Make sure cursor won't go past the text
+        edit.keypress(1, 'right')
+        assert edit.cbuf.cursor == 1
+
+        # Make sure cursor goes left and then back right
+        edit.keypress(1, 'left')
+        assert edit.cbuf.cursor == 0
+
+        edit.keypress(1, 'right')
+        assert edit.cbuf.cursor == 1
+
+    def test_up_and_down(self, tctx):
+        edit = commander.CommandEdit(tctx.master, '')
+
+        tctx.master.commands.execute('commands.history.clear')
+        tctx.master.commands.execute('commands.history.add "cmd1"')
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit = commander.CommandEdit(tctx.master, '')
+
+        tctx.master.commands.execute('commands.history.clear')
+        tctx.master.commands.execute('commands.history.add "cmd1"')
+        tctx.master.commands.execute('commands.history.add "cmd2"')
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'a')
+        edit.keypress(1, 'b')
+        edit.keypress(1, 'c')
+        assert edit.get_edit_text() == 'abc'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'abc'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'abc'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'abc'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'abc'
+
+        edit = commander.CommandEdit(tctx.master, '')
+        tctx.master.commands.execute('commands.history.add "cmd3"')
+
+        edit.keypress(1, 'z')
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'z'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'z'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'z'
+
+        edit.keypress(1, 'backspace')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'c')
+        assert edit.get_edit_text() == 'c'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'backspace')
+        assert edit.get_edit_text() == ''
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'up')
+        assert edit.get_edit_text() == 'cmd1'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'cmd2'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == 'cmd3'
+
+        edit.keypress(1, 'down')
+        assert edit.get_edit_text() == ''
 
 
 class TestCommandBuffer:
@@ -255,8 +335,7 @@ class TestCommandBuffer:
             cb.cursor = len(cb.text)
             cb.cycle_completion()
 
-            ch = commander.CommandHistory(tctx.master, 30)
-            ce = commander.CommandEdit(tctx.master, "se", ch)
+            ce = commander.CommandEdit(tctx.master, "se")
             ce.keypress(1, 'tab')
             ce.update()
             ret = ce.cbuf.render()