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local helper = require "spec.helper"
local function assert_warnings(warnings, src)
assert.same(warnings, helper.get_stage_warnings("detect_bad_whitespace", src))
end
describe("bad whitespace detection", function()
it("detects lines with only whitespace", function()
assert_warnings({
{code = "611", line = 1, column = 1, end_column = 4},
{code = "611", line = 3, column = 1, end_column = 1}
}, " \n--[[\n \n]]\n")
end)
it("detects trailing whitespace with different warnings code depending on line ending type", function()
assert_warnings({
{code = "612", line = 1, column = 8, end_column = 9},
{code = "613", line = 2, column = 13, end_column = 13},
{code = "612", line = 3, column = 8, end_column = 8},
{code = "614", line = 4, column = 11, end_column = 14}
}, "local a \nlocal b = [[ \nthing]] \nlocal c --\t\t\t\t\nlocal d\n")
end)
it("detects spaces followed by tabs", function()
assert_warnings({
{code = "621", line = 1, column = 1, end_column = 5}
}, " \t \tlocal foo\n\t\t local bar\n")
end)
it("does not warn on spaces followed by tabs if the line has only whitespace", function()
assert_warnings({
{code = "611", line = 1, column = 1, end_column = 7}
}, " \t \t \n")
end)
it("can detect both trailing whitespace and inconsistent indentation on the same line", function()
assert_warnings({
{code = "621", line = 1, column = 1, end_column = 2},
{code = "612", line = 1, column = 10, end_column = 10}
}, " \tlocal a \n")
end)
it("handles lack of trailing newline", function()
assert_warnings({
{code = "611", line = 2, column = 1, end_column = 5}
}, "local a\n ")
assert_warnings({
{code = "612", line = 2, column = 8, end_column = 12}
}, "local a\nlocal b ")
assert_warnings({
{code = "621", line = 1, column = 1, end_column = 2},
{code = "614", line = 1, column = 13, end_column = 16}
}, " \tlocal a -- ")
end)
it("provides correct column ranges in presence of two-byte line endings", function()
assert_warnings({
{code = "612", line = 1, column = 10, end_column = 13},
{code = "621", line = 2, column = 1, end_column = 4},
{code = "611", line = 3, column = 1, end_column = 3}
}, "local foo \r\n \tlocal bar\n\r ")
end)
it("provides correct column ranges in presence of utf8", function()
assert_warnings({
{code = "612", line = 1, column = 17, end_column = 20},
{code = "611", line = 2, column = 1, end_column = 4},
{code = "621", line = 3, column = 1, end_column = 4},
{code = "614", line = 3, column = 20, end_column = 24},
}, "local foo = '\204\128\204\130' \n \n \tlocal bar -- \240\144\128\128\224\166\152 \n")
end)
end)
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