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# frozen_string_literal: true
require 'helper'
class TestDiagnostic < Minitest::Test
def setup
@buffer = Parser::Source::Buffer.new('(string)',
source: 'if (this is some bad code + bugs)')
@range1 = Parser::Source::Range.new(@buffer, 0, 2) # if
@range2 = Parser::Source::Range.new(@buffer, 4, 8) # this
end
def test_verifies_levels
error = assert_raises ArgumentError do
Parser::Diagnostic.new(:foobar, :escape_eof, {}, @range1)
end
assert_match(/level/, error.message)
end
def test_freezes
string = 'foo'.dup
highlights = [@range2]
diag = Parser::Diagnostic.new(:error, :escape_eof, @range1, highlights)
assert diag.frozen?
assert diag.arguments.frozen?
assert diag.highlights.frozen?
refute string.frozen?
refute highlights.frozen?
end
def test_render
location = Parser::Source::Range.new(@buffer, 26, 27)
highlights = [
Parser::Source::Range.new(@buffer, 21, 25),
Parser::Source::Range.new(@buffer, 28, 32)
]
diag = Parser::Diagnostic.new(:error, :unexpected, { :character => '+' },
location, highlights)
assert_equal([
"(string):1:27: error: unexpected `+'",
'(string):1: if (this is some bad code + bugs)',
'(string):1: ~~~~ ^ ~~~~ '
], diag.render)
end
def test_multiline_render
@buffer = Parser::Source::Buffer.new('(string)',
source: "abc abc abc\ndef def def\nghi ghi ghi\n")
location = Parser::Source::Range.new(@buffer, 4, 27)
highlights = [
Parser::Source::Range.new(@buffer, 0, 3),
Parser::Source::Range.new(@buffer, 28, 31)
]
diag = Parser::Diagnostic.new(:error, :unexpected_token, { :token => 'ghi' },
location, highlights)
assert_equal([
"(string):1:5-3:3: error: unexpected token ghi",
'(string):1: abc abc abc',
'(string):1: ~~~ ^~~~~~~...',
'(string):3: ghi ghi ghi',
'(string):3: ~~~ ~~~ '
], diag.render)
end
def test_bug_error_on_newline
# regression test; see GitHub issue 273
source = <<-CODE
{
foo: ->() # I forgot my brace
}
}
CODE
@buffer = Parser::Source::Buffer.new('(string)', source: source)
location = Parser::Source::Range.new(@buffer, 33, 34)
diag = Parser::Diagnostic.new(:error, :unexpected_token, { :token => 'tNL' },
location)
assert_equal([
'(string):2:32: error: unexpected token tNL',
'(string):2: foo: ->() # I forgot my brace',
'(string):2: ^'
], diag.render)
end
end
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