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

72 lines
1.4 KiB
Crystal

require "../../spec_helper"
module Ameba::Rules
subject = LiteralInCondition.new
describe LiteralInCondition do
it "passes if there is not literals in conditional" do
s = Source.new %(
if a == 2
:ok
end
:ok unless b
case string
when "a"
:ok
when "b"
:ok
end
unless a.nil?
:ok
end
)
subject.catch(s).should be_valid
end
it "fails if there is a predicate in if conditional" do
s = Source.new %(
if "string"
:ok
end
)
subject.catch(s).should_not be_valid
end
it "fails if there is a predicate in unless conditional" do
s = Source.new %(
unless true
:ok
end
)
subject.catch(s).should_not be_valid
end
it "fails if there is a predicate in case conditional" do
s = Source.new %(
case [1, 2, 3]
when :array
:ok
when :not_array
:also_ok
end
)
subject.catch(s).should_not be_valid
end
it "reports rule, pos and message" do
s = Source.new %(
puts "hello" if true
)
subject.catch(s).should_not be_valid
s.errors.size.should eq 1
error = s.errors.first
error.rule.should_not be_nil
error.pos.should eq 2
error.message.should eq "Literal value found in conditional"
end
end
end