153 lines
3.7 KiB
Lua
153 lines
3.7 KiB
Lua
require('spec.helpers')
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local diffs = require('diffs')
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describe('diffs', function()
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describe('setup', function()
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it('accepts empty config', function()
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assert.has_no.errors(function()
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diffs.setup({})
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end)
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end)
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it('accepts nil config', function()
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assert.has_no.errors(function()
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diffs.setup()
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end)
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end)
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it('accepts full config', function()
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assert.has_no.errors(function()
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diffs.setup({
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enabled = false,
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debug = true,
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debounce_ms = 100,
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hide_prefix = false,
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treesitter = {
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enabled = true,
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max_lines = 1000,
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},
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vim = {
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enabled = false,
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max_lines = 200,
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},
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highlights = {
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background = true,
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gutter = true,
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},
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})
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end)
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end)
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it('accepts partial config', function()
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assert.has_no.errors(function()
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diffs.setup({
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debounce_ms = 25,
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})
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end)
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end)
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end)
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describe('attach', function()
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local function create_buffer(lines)
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local bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines or {})
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return bufnr
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end
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local function delete_buffer(bufnr)
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if vim.api.nvim_buf_is_valid(bufnr) then
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vim.api.nvim_buf_delete(bufnr, { force = true })
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end
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end
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before_each(function()
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diffs.setup({ enabled = true })
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end)
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it('does not error on empty buffer', function()
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local bufnr = create_buffer({})
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assert.has_no.errors(function()
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diffs.attach(bufnr)
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end)
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delete_buffer(bufnr)
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end)
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it('does not error on buffer with content', function()
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local bufnr = create_buffer({
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'M test.lua',
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'@@ -1,1 +1,2 @@',
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' local x = 1',
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'+local y = 2',
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})
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assert.has_no.errors(function()
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diffs.attach(bufnr)
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end)
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delete_buffer(bufnr)
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end)
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it('is idempotent', function()
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local bufnr = create_buffer({})
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assert.has_no.errors(function()
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diffs.attach(bufnr)
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diffs.attach(bufnr)
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diffs.attach(bufnr)
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end)
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delete_buffer(bufnr)
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end)
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end)
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describe('refresh', function()
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local function create_buffer(lines)
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local bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines or {})
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return bufnr
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end
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local function delete_buffer(bufnr)
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if vim.api.nvim_buf_is_valid(bufnr) then
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vim.api.nvim_buf_delete(bufnr, { force = true })
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end
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end
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before_each(function()
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diffs.setup({ enabled = true })
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end)
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it('does not error on unattached buffer', function()
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local bufnr = create_buffer({})
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assert.has_no.errors(function()
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diffs.refresh(bufnr)
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end)
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delete_buffer(bufnr)
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end)
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it('does not error on attached buffer', function()
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local bufnr = create_buffer({})
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diffs.attach(bufnr)
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assert.has_no.errors(function()
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diffs.refresh(bufnr)
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end)
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delete_buffer(bufnr)
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end)
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end)
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describe('config options', function()
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it('enabled=false prevents highlighting', function()
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diffs.setup({ enabled = false })
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local bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, {
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'M test.lua',
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'@@ -1,1 +1,2 @@',
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' local x = 1',
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'+local y = 2',
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})
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diffs.attach(bufnr)
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local ns = vim.api.nvim_create_namespace('diffs')
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local extmarks = vim.api.nvim_buf_get_extmarks(bufnr, ns, 0, -1, {})
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assert.are.equal(0, #extmarks)
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vim.api.nvim_buf_delete(bufnr, { force = true })
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end)
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end)
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end)
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