84 lines
2.0 KiB
Crystal
84 lines
2.0 KiB
Crystal
require "../../../spec_helper"
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module Ameba::Rule::Lint
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describe RedundantWithObject do
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subject = RedundantWithObject.new
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it "does not report if there is index argument" do
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s = Source.new %(
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collection.each_with_object(0) do |e, obj|
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obj += i
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end
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)
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subject.catch(s).should be_valid
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end
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it "reports if there is not index argument" do
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s = Source.new %(
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collection.each_with_object(0) do |e|
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e += 1
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end
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)
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subject.catch(s).should_not be_valid
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end
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it "reports if there is underscored index argument" do
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s = Source.new %(
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collection.each_with_object(0) do |e, _|
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e += 1
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end
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)
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subject.catch(s).should_not be_valid
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end
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it "reports if there is no args" do
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s = Source.new %(
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collection.each_with_object(0) do
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puts :nothing
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end
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)
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subject.catch(s).should_not be_valid
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end
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it "does not report if there is no block" do
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s = Source.new %(
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collection.each_with_object(0)
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)
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subject.catch(s).should be_valid
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end
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it "does not report if first argument is underscored" do
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s = Source.new %(
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collection.each_with_object(0) do |_, obj|
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puts i
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end
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)
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subject.catch(s).should be_valid
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end
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it "does not report if there are more than 2 args" do
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s = Source.new %(
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tup.each_with_object(0) do |key, value, obj|
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puts i
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end
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)
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subject.catch(s).should be_valid
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end
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it "reports rule, location and message" do
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s = Source.new %(
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def valid?
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collection.each_with_object(0) do |e|
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end
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end
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), "source.cr"
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subject.catch(s).should_not be_valid
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issue = s.issues.first
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issue.rule.should_not be_nil
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issue.location.to_s.should eq "source.cr:2:14"
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issue.end_location.to_s.should eq "source.cr:2:30"
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issue.message.should eq "Use `each` instead of `each_with_object`"
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end
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end
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end
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