initial import

tests/test_commands.py

@@ -0,0 +1,126 @@
+""" Theme picker flows: preview, cancel, confirm.
+Run with: python3 tests/test_commands.py """
+import _bootstrap  # sets sys.path for the imports below
+from _bootstrap import FakeProcess
+
+import sublime
+from vterm.commands import VtermSelectThemeCommand
+from vterm.utils import SETTINGS_FILE
+from vterm.themes import THEMES
+
+settings = sublime.load_settings(SETTINGS_FILE)
+panel = {}
+
+
+class FakeWindow:
+    def show_quick_panel(self, items, on_done, selected_index=-1, on_highlight=None):
+        panel.update(items=items, on_done=on_done,
+                     selected_index=selected_index, on_highlight=on_highlight)
+
+
+def open_picker(current):
+    settings.set("theme", current)
+    command = VtermSelectThemeCommand(FakeWindow())
+    command.run()
+    return command
+
+
+# every theme is offered, with "no theme" first
+command = open_picker(None)
+assert [i[0] for i in panel["items"]] == ["No theme"] + sorted(THEMES), panel["items"]
+assert panel["selected_index"] == 0
+
+# the configured theme starts highlighted
+command = open_picker("pro")
+assert panel["selected_index"] == command.choices.index("pro")
+
+# highlighting previews but must not persist
+saves = len(sublime._saved)
+panel["on_highlight"](command.choices.index("slate"))
+assert settings.get("theme") == "slate", settings.get("theme")
+assert len(sublime._saved) == saves, "preview must not save settings"
+
+# cancelling restores the value from before the panel opened
+panel["on_done"](-1)
+assert settings.get("theme") == "pro", settings.get("theme")
+
+# confirming persists
+command = open_picker("pro")
+panel["on_done"](command.choices.index("homebrew"))
+assert settings.get("theme") == "homebrew", settings.get("theme")
+assert sublime._saved[-1] == SETTINGS_FILE
+
+# "no theme" persists as null rather than a name
+command = open_picker("slate")
+panel["on_done"](0)
+assert settings.get("theme") is None, settings.get("theme")
+
+print("theme picker tests passed ({} themes offered)".format(len(THEMES)))
+
+
+# a palette change must reach terminals that are already running: the screen
+# answers OSC 10/11 and DSR 996 from these values
+from vterm.emulator import VtScreen, VtStream
+from vterm.scheme import scheme_manager
+from vterm.terminal import Terminal
+
+
+recorder = FakeProcess()
+# real __init__ (view unused here); process/screen stand in for start()
+terminal = Terminal(None)
+terminal.screen = VtScreen(20, 3, process=recorder, fg_color="000000",
+                           bg_color="ffffff", is_dark=False)
+terminal.process = recorder
+stream = VtStream(terminal.screen)
+
+scheme_manager.foreground = "#eeeeee"
+scheme_manager.background = "#111111"
+terminal.apply_scheme()
+assert terminal.screen.default_bg_color == "111111", terminal.screen.default_bg_color
+assert terminal.screen.theme_is_dark is True
+
+# without mode 2031 the app is not interrupted
+assert recorder.written == "", repr(recorder.written)
+
+# with it, the dark/light report is sent so the agent can restyle itself
+stream.feed("\x1b[?2031h")
+recorder.written = ""
+terminal.apply_scheme()
+assert recorder.written == "\x1b[?997;1n", repr(recorder.written)
+
+# and the emulator answers a colour query with the new palette
+recorder.written = ""
+stream.feed("\x1b]11;?\x07")
+assert recorder.written == "\x1b]11;rgb:1111/1111/1111\x07", repr(recorder.written)
+
+print("live theme tests passed (running screen adopts palette, app notified)")
+
+
+# the scheme file must exist before any restored tab's color_scheme is loaded at
+# startup, and building twice must not duplicate the seeded rules
+import os
+from vterm.scheme import SCHEME_FILE_NAME
+
+path = os.path.join(scheme_manager._directory(), SCHEME_FILE_NAME)
+if os.path.exists(path):
+    os.remove(path)
+
+scheme_manager.ensure_file()
+assert os.path.exists(path), "ensure_file did not write the scheme"
+assert not scheme_manager._initialized, \
+    "ensure_file must leave the palette open to refinement by initialize()"
+
+# a second call is a no-op: same file, untouched
+stamp = os.path.getmtime(path)
+scheme_manager.ensure_file()
+assert os.path.getmtime(path) == stamp, "ensure_file rewrote an existing scheme"
+
+# _build is idempotent, which is what makes the ensure_file + initialize pair safe
+with scheme_manager.lock:
+    scheme_manager._build()
+    first = len(scheme_manager.rules)
+    scheme_manager._build()
+assert len(scheme_manager.rules) == first, \
+    "rules duplicated: {} -> {}".format(first, len(scheme_manager.rules))
+
+print("scheme file tests passed ({} seeded rules, idempotent)".format(first))