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select theme applies only to current vterm and newly opened vterms

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This commit is contained in:
Vaclav Tvrdik
2026-10-02 12:29:32 +02:00
parent e6aa754762
commit c2a0c75359
13 changed files with 284 additions and 203 deletions
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42
tests/test_render.py
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@@ -17,6 +17,7 @@ from vterm.render import (
following,
scroll_to_cursor,
)
from vterm.scheme import get_scheme_manager
from vterm.terminal import Terminal
from vterm.utils import SETTINGS_FILE
@@ -157,7 +158,7 @@ class FakeView:
def make_terminal(rows=10, cols=20, scrollback=None):
# real __init__ for the plain attributes; process/screen stand in for start()
terminal = Terminal(FakeView())
terminal = Terminal(FakeView(), get_scheme_manager("default"))
if scrollback is not None:
terminal.scrollback_size = scrollback
terminal.process = FakeProcess()
@@ -165,9 +166,12 @@ def make_terminal(rows=10, cols=20, scrollback=None):
return terminal, VtStream(terminal.screen)
def make_command(view):
# the real __init__, so the fake cannot drift from the command's attributes
return VtermRenderCommand(view)
def make_command(terminal):
# the real __init__, so the fake cannot drift from the command's attributes;
# run() itself sets _scheme, but these tests call its helpers directly
command = VtermRenderCommand(terminal.view)
command._scheme = terminal.scheme
return command
# an app on the alternate screen must not have its view trimmed away: the
@@ -178,7 +182,7 @@ assert terminal.screen.alternate_buffer_mode
assert terminal.screen.history.maxlen == 0, "alt screen zeroes the deque"
terminal.view = FakeView("\n".join("row {}".format(i) for i in range(10)))
command = make_command(terminal.view)
command = make_command(terminal)
before = terminal.view.text
command.trim_history(None, terminal)
assert terminal.view.text == before, \
@@ -188,7 +192,7 @@ assert terminal.view.text == before, \
terminal, stream = make_terminal(rows=5, scrollback=20)
terminal.offset = 40
terminal.view = FakeView("\n".join("row {}".format(i) for i in range(40)))
command = make_command(terminal.view)
command = make_command(terminal)
command.trim_history(None, terminal)
rows_left = terminal.view.text.count("\n") + 1
assert rows_left <= 20, rows_left
@@ -199,7 +203,7 @@ assert "row 0" not in terminal.view.text, "oldest rows must be dropped"
terminal, stream = make_terminal(rows=5, scrollback=5000)
terminal.offset = 3
terminal.view = FakeView("\n".join("row {}".format(i) for i in range(8)))
command = make_command(terminal.view)
command = make_command(terminal)
command.trim_history(None, terminal)
assert "row 0" in terminal.view.text and "row 7" in terminal.view.text, \
terminal.view.text
@@ -209,7 +213,7 @@ assert "row 0" in terminal.view.text and "row 7" in terminal.view.text, \
terminal, stream = make_terminal(rows=4)
stream.feed("\x1b[?1049h")
terminal.view = FakeView("top\nrow\n\n")
command = make_command(terminal.view)
command = make_command(terminal)
before = terminal.view.text
command.trim_trailing_spaces(None, terminal)
assert terminal.view.text == before, \
@@ -218,7 +222,7 @@ assert terminal.view.text == before, \
# on the primary screen the blank tail below the cursor still goes
terminal, stream = make_terminal(rows=4)
terminal.view = FakeView("top\nrow\n\n")
command = make_command(terminal.view)
command = make_command(terminal)
command.trim_trailing_spaces(None, terminal)
assert terminal.view.text == "top\nrow", terminal.view.text
@@ -261,7 +265,7 @@ print("cursor visibility tests passed (hidden cursor keeps the caret)")
# batches the runs that share a scope into one add_regions call
terminal, stream = make_terminal(rows=3, cols=20)
terminal.view = FakeView()
command = make_command(terminal.view)
command = make_command(terminal)
stream.feed("\x1b[31mRED\x1b[0m..\x1b[31mred\x1b[0m..\x1b[32mgreen")
command.update_lines(None, terminal)
@@ -291,7 +295,7 @@ print("colorize tests passed (arithmetic offsets, scope batching, key bookkeepin
# the whole session, and merging every frame would re-send the whole chunk
terminal, stream = make_terminal(rows=3, cols=20)
terminal.view = FakeView()
command = make_command(terminal.view)
command = make_command(terminal)
for i in range(300):
stream.feed("\x1b[31mred{}\x1b[0m\r\n".format(i))
command.update_lines(None, terminal)
@@ -310,7 +314,7 @@ assert len(row_keys) == 300 - CHUNK, \
# trimming settles the open chunk, then erases the keys of chunks above the cut
terminal, stream = make_terminal(rows=3, scrollback=30)
terminal.view = FakeView()
command = make_command(terminal.view)
command = make_command(terminal)
stream.feed("".join("\x1b[31mr{}\x1b[0m\r\n".format(i) for i in range(300)))
command.update_lines(None, terminal)
terminal.screen.dirty.clear()
@@ -332,7 +336,7 @@ terminal.view.sel().add(sublime.Region(0, 0)) # the caret of a new view
Terminal._terminals[id(terminal)] = terminal
terminal.view.id = lambda: id(terminal)
terminal.default_title = "zsh"
command = make_command(terminal.view)
command = make_command(terminal)
stream.feed("[vterm] %")
command.run(None)
assert all(r.empty() for r in terminal.view.sel()), \
@@ -359,10 +363,8 @@ assert all(text == "" for text in rewritten), "unchanged rows were rewritten: {}
print("render diff tests passed (unchanged dirty rows skipped)")
# the generated scheme must define a selection colour, or sublime uses blue
from vterm.scheme import blend, scheme_manager
scheme_manager.background = "#303841"
scheme_manager.foreground = "#d8dee9"
assert blend(scheme_manager.background, scheme_manager.foreground, 0.3) == "#626a73"
from vterm.scheme import blend
assert blend("#303841", "#d8dee9", 0.3) == "#626a73"
print("selection artefact tests passed (fresh prompt unselected, user selection kept)")
@@ -370,7 +372,7 @@ print("selection artefact tests passed (fresh prompt unselected, user selection
# DECSCUSR drives the caret shape through view settings; before any app asks,
# and for 0, the caret is the terminal default: a blinking block
terminal, stream = make_terminal(rows=3, cols=20)
command = make_command(terminal.view)
command = make_command(terminal)
settings = terminal.view.settings()
command.sync_cursor_style(terminal)
@@ -621,7 +623,7 @@ terminal, stream = make_terminal(rows=5, cols=20)
terminal.view = FakeView("old1\nold2\nold3\nr0\nr1\nr2\nr3\nr4\n")
terminal.offset = 3
terminal.viewport_y = 400
command = make_command(terminal.view)
command = make_command(terminal)
fold_end = terminal.view.text_point(3, 0) - 1
stream.feed("\x1b[?1049h")
@@ -649,7 +651,7 @@ assert terminal.view.folds == [], terminal.view.folds
# without scrollback there is nothing to fold
terminal, stream = make_terminal(rows=5, cols=20)
terminal.view = FakeView("r0\nr1\nr2\nr3\nr4\n")
command = make_command(terminal.view)
command = make_command(terminal)
stream.feed("\x1b[?1049h")
command.sync_alt_fold(terminal)
assert terminal.view.folds == [], terminal.view.folds