test: make text-only snapshots work

This commit is contained in:
zeertzjq 2023-12-10 07:06:48 +08:00
parent c2249f6abf
commit 20bd03f166

View File

@ -259,12 +259,13 @@ local ext_keys = {
-- row. Last character of each row (typically "|") is stripped.
-- Common indentation is stripped.
-- "{MATCH:x}" in a line is matched against Lua pattern `x`.
-- "*count" at the end of a line means it repeats `count` times.
-- "*n" at the end of a line means it repeats `n` times.
-- attr_ids: Expected text attributes. Screen rows are transformed according
-- to this table, as follows: each substring S composed of
-- characters having the same attributes will be substituted by
-- "{K:S}", where K is a key in `attr_ids`. Any unexpected
-- attributes in the final state are an error.
-- Use an empty table for a text-only (no attributes) expectation.
-- Use screen:set_default_attr_ids() to define attributes for many
-- expect() calls.
-- extmarks: Expected win_extmarks accumulated for the grids. For each grid,
@ -346,6 +347,9 @@ function Screen:expect(expected, attr_ids, ...)
local attr_state = {
ids = attr_ids or self._default_attr_ids,
}
if isempty(attr_ids) then
attr_state.ids = nil
end
if self._options.ext_linegrid then
attr_state.id_to_index = self:linegrid_check_attrs(attr_state.ids or {})
end
@ -1252,7 +1256,7 @@ end
-- Generates tests. Call it where Screen:expect() would be. Waits briefly, then
-- dumps the current screen state in the form of Screen:expect().
-- Use snapshot_util({},true) to generate a text-only (no attributes) test.
-- Use snapshot_util({}) to generate a text-only (no attributes) test.
--
-- @see Screen:redraw_debug()
function Screen:snapshot_util(attrs, ignore, request_cb)
@ -1318,6 +1322,9 @@ function Screen:get_snapshot(attrs, ignore)
}
if attrs == nil then
attrs = self._default_attr_ids
elseif isempty(attrs) then
attrs = nil
attr_state.ids = nil
else
attr_state.modified = true
end
@ -1328,7 +1335,7 @@ function Screen:get_snapshot(attrs, ignore)
end
end
if self._options.ext_linegrid then
attr_state.id_to_index = self:linegrid_check_attrs(attr_state.ids)
attr_state.id_to_index = self:linegrid_check_attrs(attr_state.ids or {})
end
local lines = self:render(true, attr_state, true)
@ -1415,6 +1422,8 @@ function Screen:_print_snapshot(attrs, ignore)
table.insert(attrstrs, " "..keyval.." = "..dict..";")
end
attrstr = (", attr_ids={\n"..table.concat(attrstrs, "\n").."\n}")
elseif isempty(attrs) then
attrstr = ', attr_ids={}'
end
local result = 'screen:expect{grid=[[\n' .. kwargs.grid .. '\n]]' .. attrstr
@ -1430,6 +1439,7 @@ end
function Screen:print_snapshot(attrs, ignore)
print('\n' .. self:_print_snapshot(attrs, ignore) .. '\n')
io.stdout:flush()
end
function Screen:_insert_hl_id(attr_state, hl_id)