Properly report literals (#96)

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Vitalii Elenhaupt 2019-03-23 19:20:32 +02:00 committed by GitHub
parent 43bb29d3fd
commit 3a71b86193
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2 changed files with 139 additions and 11 deletions

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@ -44,16 +44,122 @@ module Ameba::Rule::Lint
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
describe "range" do
it "reports range with literals" do
s = Source.new %(
case 1..2
end
)
subject.catch(s).should_not be_valid
end
it "doesn't report range with non-literals" do
s = Source.new %(
case (1..a)
end
)
subject.catch(s).should be_valid
end
end
describe "array" do
it "reports array with literals" 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 "doesn't report array with non-literals" do
s = Source.new %(
a, b = 1, 2
case [1, 2, a]
when :array
:ok
when :not_array
:also_ok
end
)
subject.catch(s).should be_valid
end
end
describe "hash" do
it "reports hash with literals" do
s = Source.new %(
case { "name" => 1, 33 => 'b' }
when :hash
:ok
end
)
subject.catch(s).should_not be_valid
end
it "doesn't report hash with non-literals in keys" do
s = Source.new %(
case { a => 1, 33 => 'b' }
when :hash
:ok
end
)
subject.catch(s).should be_valid
end
it "doesn't report hash with non-literals in values" do
s = Source.new %(
case { "name" => a, 33 => 'b' }
when :hash
:ok
end
)
subject.catch(s).should be_valid
end
end
describe "tuple" do
it "reports tuple with literals" do
s = Source.new %(
case {1, false}
when {1, _}
:ok
end
)
subject.catch(s).should_not be_valid
end
it "doesn't report tuple with non-literals" do
s = Source.new %(
a, b = 1, 2
case {1, b}
when {1, 2}
:ok
end
)
subject.catch(s).should be_valid
end
end
describe "named tuple" do
it "reports named tuple with literals" do
s = Source.new %(
case { name: 1, foo: :bar}
end
)
subject.catch(s).should_not be_valid
end
it "doesn't report named tuple with non-literals" do
s = Source.new %(
case { name: a, foo: :bar}
end
)
subject.catch(s).should be_valid
end
end
it "reports rule, pos and message" do