shard-ameba/spec/ameba/rule/style/negated_conditions_in_unles...

58 lines
1.3 KiB
Crystal

require "../../../spec_helper"
module Ameba::Rule::Style
subject = NegatedConditionsInUnless.new
describe NegatedConditionsInUnless do
it "passes with a unless without negated condition" do
expect_no_issues subject, <<-CRYSTAL
unless a
:ok
end
:ok unless b
unless s.empty?
:ok
end
CRYSTAL
end
it "fails if there is a negated condition in unless" do
expect_issue subject, <<-CRYSTAL
unless !a
# ^^^^^^^ error: Avoid negated conditions in unless blocks
:nok
end
CRYSTAL
end
it "fails if one of AND conditions is negated" do
expect_issue subject, <<-CRYSTAL
unless a && !b
# ^^^^^^^^^^^^ error: Avoid negated conditions in unless blocks
:nok
end
CRYSTAL
end
it "fails if one of OR conditions is negated" do
expect_issue subject, <<-CRYSTAL
unless a || !b
# ^^^^^^^^^^^^ error: Avoid negated conditions in unless blocks
:nok
end
CRYSTAL
end
it "fails if one of inner conditions is negated" do
expect_issue subject, <<-CRYSTAL
unless a && (b || !c)
# ^^^^^^^^^^^^^^^^^^^ error: Avoid negated conditions in unless blocks
:nok
end
CRYSTAL
end
end
end