shard-ameba/spec/ameba/rule/style/constant_names_spec.cr

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require "../../../spec_helper"
module Ameba
subject = Rule::Style::ConstantNames.new
private def it_reports_constant(code, expected)
it "reports constant name #{expected}" do
s = Source.new code
Rule::Style::ConstantNames.new.catch(s).should_not be_valid
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s.issues.first.message.should contain expected
end
end
describe Rule::Style::ConstantNames do
it "passes if type names are screaming-cased" do
s = Source.new %(
LUCKY_NUMBERS = [3, 7, 11]
DOCUMENTATION_URL = "http://crystal-lang.org/docs"
Int32
s : String = "str"
def works(n : Int32)
end
Log = ::Log.for("db")
a = 1
myVar = 2
m_var = 3
)
subject.catch(s).should be_valid
end
# it_reports_constant "MyBadConstant=1", "MYBADCONSTANT"
it_reports_constant "Wrong_NAME=2", "WRONG_NAME"
it_reports_constant "Wrong_Name=3", "WRONG_NAME"
it "reports rule, pos and message" do
s = Source.new %(
Const_Name = 1
), "source.cr"
subject.catch(s).should_not be_valid
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issue = s.issues.first
issue.rule.should_not be_nil
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issue.location.to_s.should eq "source.cr:1:1"
issue.end_location.to_s.should eq "source.cr:1:10"
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issue.message.should eq(
"Constant name should be screaming-cased: CONST_NAME, not Const_Name"
)
end
end
end