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50 lines
1.3 KiB
Crystal
50 lines
1.3 KiB
Crystal
require "../../../spec_helper"
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module Ameba::Rule::Lint
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subject = LiteralInInterpolation.new
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describe LiteralInInterpolation do
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it "passes with good interpolation examples" do
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expect_no_issues subject, <<-CRYSTAL
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name = "Ary"
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"Hello, #{name}"
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"#{name}"
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"Name size: #{name.size}"
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CRYSTAL
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end
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it "fails if there is useless interpolation" do
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[
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%q("#{:Ary}"),
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%q("#{[1, 2, 3]}"),
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%q("#{true}"),
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%q("#{false}"),
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%q("here are #{4} cats"),
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].each do |str|
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subject.catch(Source.new str).should_not be_valid
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end
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end
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it "reports rule, pos and message" do
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s = Source.new %q(
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"Hello, #{:world} from #{:ameba}"
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), "source.cr"
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subject.catch(s).should_not be_valid
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s.issues.size.should eq 2
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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:1:11"
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issue.end_location.to_s.should eq "source.cr:1:16"
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issue.message.should eq "Literal value found in interpolation"
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issue = s.issues.last
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issue.rule.should_not be_nil
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issue.location.to_s.should eq "source.cr:1:26"
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issue.end_location.to_s.should eq "source.cr:1:31"
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issue.message.should eq "Literal value found in interpolation"
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end
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end
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end
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