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local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local exec_lua = helpers.exec_lua
local eq = helpers.eq
local neq = require('test.helpers').neq
describe('vim.lsp.diagnostic', function()
local fake_uri
before_each(function()
clear {env={
NVIM_LUA_NOTRACK="1";
VIMRUNTIME=os.getenv"VIMRUNTIME";
}}
exec_lua [[
require('vim.lsp')
make_range = function(x1, y1, x2, y2)
return { start = { line = x1, character = y1 }, ['end'] = { line = x2, character = y2 } }
end
make_error = function(msg, x1, y1, x2, y2)
return {
range = make_range(x1, y1, x2, y2),
message = msg,
severity = 1,
}
end
make_warning = function(msg, x1, y1, x2, y2)
return {
range = make_range(x1, y1, x2, y2),
message = msg,
severity = 2,
}
end
make_information = function(msg, x1, y1, x2, y2)
return {
range = make_range(x1, y1, x2, y2),
message = msg,
severity = 3,
}
end
function get_extmarks(bufnr, client_id)
local namespace = vim.lsp.diagnostic.get_namespace(client_id)
local ns = vim.diagnostic.get_namespace(namespace)
local extmarks = {}
if ns.user_data.virt_text_ns then
for _, e in pairs(vim.api.nvim_buf_get_extmarks(bufnr, ns.user_data.virt_text_ns, 0, -1, {details=true})) do
table.insert(extmarks, e)
end
end
if ns.user_data.underline_ns then
for _, e in pairs(vim.api.nvim_buf_get_extmarks(bufnr, ns.user_data.underline_ns, 0, -1, {details=true})) do
table.insert(extmarks, e)
end
end
return extmarks
end
client_id = vim.lsp.start_client {
cmd_env = {
NVIM_LUA_NOTRACK = "1";
};
cmd = {
vim.v.progpath, '-es', '-u', 'NONE', '--headless'
};
offset_encoding = "utf-16";
}
]]
fake_uri = "file:///fake/uri"
exec_lua([[
fake_uri = ...
diagnostic_bufnr = vim.uri_to_bufnr(fake_uri)
local lines = {"1st line of text", "2nd line of text", "wow", "cool", "more", "lines"}
vim.fn.bufload(diagnostic_bufnr)
vim.api.nvim_buf_set_lines(diagnostic_bufnr, 0, 1, false, lines)
return diagnostic_bufnr
]], fake_uri)
end)
after_each(function()
clear()
end)
describe('vim.lsp.diagnostic', function()
it('maintains LSP information when translating diagnostics', function()
local result = exec_lua [[
local diagnostics = {
make_error("Error 1", 1, 1, 1, 5),
}
diagnostics[1].code = 42
diagnostics[1].tags = {"foo", "bar"}
diagnostics[1].data = "Hello world"
vim.lsp.diagnostic.on_publish_diagnostics(nil, {
uri = fake_uri,
diagnostics = diagnostics,
}, {client_id=client_id})
return {
vim.diagnostic.get(diagnostic_bufnr, {lnum=1})[1],
vim.lsp.diagnostic.get_line_diagnostics(diagnostic_bufnr, 1)[1],
}
]]
eq({code = 42, tags = {"foo", "bar"}, data = "Hello world"}, result[1].user_data.lsp)
eq(42, result[1].code)
eq(42, result[2].code)
eq({"foo", "bar"}, result[2].tags)
eq("Hello world", result[2].data)
end)
end)
describe("vim.lsp.diagnostic.on_publish_diagnostics", function()
it('allows configuring the virtual text via vim.lsp.with', function()
local expected_spacing = 10
local extmarks = exec_lua([[
PublishDiagnostics = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
virtual_text = {
spacing = ...,
},
})
PublishDiagnostics(nil, {
uri = fake_uri,
diagnostics = {
make_error('Delayed Diagnostic', 4, 4, 4, 4),
}
}, {client_id=client_id}
)
return get_extmarks(diagnostic_bufnr, client_id)
]], expected_spacing)
local virt_text = extmarks[1][4].virt_text
local spacing = virt_text[1][1]
eq(expected_spacing, #spacing)
end)
it('allows configuring the virtual text via vim.lsp.with using a function', function()
local expected_spacing = 10
local extmarks = exec_lua([[
spacing = ...
PublishDiagnostics = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
virtual_text = function()
return {
spacing = spacing,
}
end,
})
PublishDiagnostics(nil, {
uri = fake_uri,
diagnostics = {
make_error('Delayed Diagnostic', 4, 4, 4, 4),
}
}, {client_id=client_id}
)
return get_extmarks(diagnostic_bufnr, client_id)
]], expected_spacing)
local virt_text = extmarks[1][4].virt_text
local spacing = virt_text[1][1]
eq(expected_spacing, #spacing)
end)
it('allows filtering via severity limit', function()
local get_extmark_count_with_severity = function(severity_limit)
return exec_lua([[
PublishDiagnostics = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
underline = false,
virtual_text = {
severity_limit = ...
},
})
PublishDiagnostics(nil, {
uri = fake_uri,
diagnostics = {
make_warning('Delayed Diagnostic', 4, 4, 4, 4),
}
}, {client_id=client_id}
)
return #get_extmarks(diagnostic_bufnr, client_id)
]], severity_limit)
end
-- No messages with Error or higher
eq(0, get_extmark_count_with_severity("Error"))
-- But now we don't filter it
eq(1, get_extmark_count_with_severity("Warning"))
eq(1, get_extmark_count_with_severity("Hint"))
end)
it('correctly handles UTF-16 offsets', function()
local line = "All 💼 and no 🎉 makes Jack a dull 👦"
local result = exec_lua([[
local line = ...
vim.api.nvim_buf_set_lines(diagnostic_bufnr, 0, -1, false, {line})
vim.lsp.diagnostic.on_publish_diagnostics(nil, {
uri = fake_uri,
diagnostics = {
make_error('UTF-16 Diagnostic', 0, 7, 0, 8),
}
}, {client_id=client_id}
)
local diags = vim.diagnostic.get(diagnostic_bufnr)
vim.lsp.stop_client(client_id)
vim.api.nvim_exec_autocmds('VimLeavePre', { modeline = false })
return diags
]], line)
eq(1, #result)
eq(exec_lua([[return vim.str_byteindex(..., 7, true)]], line), result[1].col)
eq(exec_lua([[return vim.str_byteindex(..., 8, true)]], line), result[1].end_col)
end)
it('does not create buffer on empty diagnostics', function()
local bufnr
-- No buffer is created without diagnostics
bufnr = exec_lua [[
vim.lsp.diagnostic.on_publish_diagnostics(nil, {
uri = "file:///fake/uri2",
diagnostics = {},
}, {client_id=client_id})
return vim.fn.bufnr(vim.uri_to_fname("file:///fake/uri2"))
]]
eq(bufnr, -1)
-- Create buffer on diagnostics
bufnr = exec_lua [[
vim.lsp.diagnostic.on_publish_diagnostics(nil, {
uri = "file:///fake/uri2",
diagnostics = {
make_error('Diagnostic', 0, 0, 0, 0),
},
}, {client_id=client_id})
return vim.fn.bufnr(vim.uri_to_fname("file:///fake/uri2"))
]]
neq(bufnr, -1)
eq(exec_lua([[return #vim.diagnostic.get(...)]], bufnr), 1)
-- Clear diagnostics after buffer was created
bufnr = exec_lua [[
vim.lsp.diagnostic.on_publish_diagnostics(nil, {
uri = "file:///fake/uri2",
diagnostics = {},
}, {client_id=client_id})
return vim.fn.bufnr(vim.uri_to_fname("file:///fake/uri2"))
]]
neq(bufnr, -1)
eq(exec_lua([[return #vim.diagnostic.get(...)]], bufnr), 0)
end)
end)
end)
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