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Crystal 0.24.1 support

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Vitalii Elenhaupt 2017-12-24 23:32:14 +02:00 committed by V. Elenhaupt
parent eca0d28692
commit 7e8703dda0
6 changed files with 12 additions and 181 deletions
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2
spec/ameba/rule/base_spec.cr
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@ -1,4 +1,4 @@
require "../../spec/spec_helper" require "../../spec_helper"
module Ameba module Ameba
describe Rule::Base do describe Rule::Base do

118
spec/ameba/rule/duplicated_when_spec.cr
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@ -1,118 +0,0 @@
require "../../spec_helper"
module Ameba::Rule
describe DuplicatedWhen do
subject = DuplicatedWhen.new
it "passes if there are no duplicated when conditions in the case" do
s = Source.new %(
case x
when "first"
do_something
when "second"
do_something_else
end
case x
when Integer then :one
when Int32, String then :two
end
case {value1, value2}
when {0, _}
when {_, 0}
end
case x
when .odd?
when .even?
end
case
when Integer then :one
when Integer | String then :two
end
case x
when :one
when "one"
end
case {value1, value2}
when {String, String}
end
)
subject.catch(s).should be_valid
end
it "fails if there is a duplicated when condition in the case" do
s = Source.new %(
case x
when .starts_with?("pattern1")
do_something1
when .starts_with?("pattern2")
do_something2
when .starts_with?("pattern1")
do_something3
end
)
subject.catch(s).should_not be_valid
end
it "fails if there are multiple when conditions with nil" do
s = Source.new %(
case x
when nil
say_hello
when nil
say_nothing
end
)
subject.catch(s).should_not be_valid
end
it "fails if there are multiple whens with is_a? conditions" do
s = Source.new %(
case x
when String then say_hello
when Integer then say_nothing
when String then blah
end
)
subject.catch(s).should_not be_valid
end
it "fails if there are duplicated whens but in difference order" do
s = Source.new %(
case x
when String, Integer then something
when Integer then blah
end
)
subject.catch(s).should_not be_valid
end
it "fails if there are duplicated conditions in one when" do
s = Source.new %(
case x
when String, String then something
end
)
subject.catch(s).should_not be_valid
end
it "reports rule, location and message" do
s = Source.new %q(
case x
when "first"
when "first"
end
), "source.cr"
subject.catch(s).should_not be_valid
error = s.errors.first
error.rule.should_not be_nil
error.location.to_s.should eq "source.cr:2:9"
error.message.should eq "Duplicated when conditions in case"
end
end
end

2
spec/ameba/rule/empty_expression_spec.cr
View file

@ -104,7 +104,7 @@ module Ameba
error = s.errors.first error = s.errors.first
error.rule.should_not be_nil error.rule.should_not be_nil
error.location.to_s.should eq "source.cr:2:12" error.location.to_s.should eq "source.cr:2:12"
error.message.should eq "Avoid empty expression '()'" error.message.should eq "Avoid empty expressions"
end end
end end
end end

3
spec/ameba/rule/shadowed_exception_spec.cr
View file

@ -158,6 +158,7 @@ module Ameba::Rule
it "reports rule, location and a message" do it "reports rule, location and a message" do
s = Source.new %q( s = Source.new %q(
begin begin
do_something
rescue Exception | IndexError rescue Exception | IndexError
end end
), "source.cr" ), "source.cr"
@ -165,7 +166,7 @@ module Ameba::Rule
error = s.errors.first error = s.errors.first
error.rule.should_not be_nil error.rule.should_not be_nil
error.location.to_s.should eq "source.cr:2:9" error.location.to_s.should eq "source.cr:3:11"
error.message.should eq( error.message.should eq(
"Exception handler has shadowed exceptions: IndexError" "Exception handler has shadowed exceptions: IndexError"
) )

11
src/ameba/formatter/todo_formatter.cr
View file

@ -53,11 +53,14 @@ module Ameba::Formatter
.compact .compact
.uniq! .uniq!
YAML.build do |yaml| nodes_builder = YAML::Nodes::Builder.new
yaml.mapping do nodes_builder.mapping do
rule.name.to_yaml(yaml) rule.name.to_yaml nodes_builder
rule.to_yaml(yaml) rule.to_yaml nodes_builder
end end
YAML.build do |builder|
nodes_builder.document.to_yaml(builder)
end end
end end
end end

55
src/ameba/rule/duplicated_when.cr
View file

@ -1,55 +0,0 @@
module Ameba::Rule
# A rule that disallows duplicated when conditions in case.
#
# This is considered invalid:
#
# ```
# case a
# when "first"
# do_something
# when "first"
# do_somehting_else
# end
# ```
#
# And it should be written as follows:
#
# ```
# case a
# when "first"
# do_something
# when "second"
# do_somehting_else
# end
# ```
#
# YAML configuration example:
#
# ```
# DuplicatedWhen:
# Enabled: true
# ```
#
struct DuplicatedWhen < Base
properties do
description = "Disallows duplicated when conditions in case"
end
def test(source)
AST::Visitor.new self, source
end
def test(source, node : Crystal::Case)
return unless duplicated_whens?(node.whens)
source.error self, node.location, "Duplicated when conditions in case"
end
private def duplicated_whens?(whens)
whens.map(&.conds.map &.to_s)
.flatten
.group_by(&.itself)
.any? { |_, v| v.size > 1 }
end
end
end