shard-ameba/spec/ameba/rules/trailing_whitespace_spec.cr
Vitalii Elenhaupt c9f229c3f1
Custom matcher
2017-11-01 22:05:41 +02:00

27 lines
755 B
Crystal

require "../../spec_helper"
module Ameba::Rules
subject = TrailingWhitespace.new
describe TrailingWhitespace do
it "passes if all lines do not have trailing whitespace" do
source = Source.new "no-whispace"
subject.catch(source).should be_valid
end
it "fails if there is a line with trailing whitespace" do
source = Source.new "whitespace at the end "
subject.catch(source).should_not be_valid
end
it "reports rule, pos and message" do
source = Source.new "a = 1\n b = 2 "
subject.catch(source).should_not be_valid
error = source.errors.first
error.rule.should_not be_nil
error.pos.should eq 2
error.message.should eq "Trailing whitespace detected"
end
end
end