barrett/diffs.nvim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 13

test: add blend_alpha and prefix extmark coverage

Browse source
This commit is contained in:
Barrett Ruth 2026-03-08 14:34:56 -04:00
parent 23391556fd
commit ba51e7a556
Signed by: barrett
GPG key ID: A6C96C9349D2FC81
3 changed files with 113 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

31
spec/init_spec.lua
View file

@ -554,7 +554,7 @@ describe('diffs', function()
diffs._test.set_hl_retry_pending(false)
end)
it('omits DiffsClear.bg when Normal.bg is nil (transparent)', function()
it('uses dark fallback bg for DiffsClear when Normal.bg is nil (transparent)', function()
vim.api.nvim_get_hl = function(ns, opts)
if opts.name == 'Normal' then
return { fg = 0xc0c0c0 }
@ -562,11 +562,38 @@ describe('diffs', function()
return saved_get_hl(ns, opts)
end
diffs._test.compute_highlight_groups()
assert.is_nil(set_calls.DiffsClear.bg)
assert.are.equal(0x1a1a1a, set_calls.DiffsClear.bg)
assert.is_table(set_calls.DiffsAdd)
assert.is_table(set_calls.DiffsDelete)
end)
it('blend_alpha controls DiffsAdd.bg intensity', function()
local saved_config_alpha = diffs._test.get_config().highlights.blend_alpha
diffs._test.get_config().highlights.blend_alpha = 0.3
vim.api.nvim_get_hl = function(ns, opts)
if opts.name == 'Normal' then
return { fg = 0xc0c0c0, bg = 0x1e1e2e }
end
if opts.name == 'DiffAdd' then
return { bg = 0x1a3a1a }
end
if opts.name == 'DiffDelete' then
return { bg = 0x3a1a1a }
end
return saved_get_hl(ns, opts)
end
diffs._test.compute_highlight_groups()
local bg_03 = set_calls.DiffsAdd.bg
diffs._test.get_config().highlights.blend_alpha = 0.9
diffs._test.compute_highlight_groups()
local bg_09 = set_calls.DiffsAdd.bg
assert.is_not.equal(bg_03, bg_09)
diffs._test.get_config().highlights.blend_alpha = saved_config_alpha
end)
it('retries once then stops when Normal.bg stays nil', function()
vim.api.nvim_get_hl = function(ns, opts)
if opts.name == 'Normal' then