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47 lines
1.2 KiB
Crystal
47 lines
1.2 KiB
Crystal
require "../../../spec_helper"
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module Ameba::Rule::Metrics
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subject = CyclomaticComplexity.new
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complex_method = <<-CODE
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def hello(a, b, c)
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if a && b && c
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begin
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while true
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return if false && b
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end
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""
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rescue
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""
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end
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end
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end
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CODE
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describe CyclomaticComplexity do
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it "passes for empty methods" do
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source = Source.new %(
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def hello
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end
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)
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subject.catch(source).should be_valid
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end
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it "reports one issue for a complex method" do
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subject.max_complexity = 5
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source = Source.new(complex_method, "source.cr")
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subject.catch(source).should_not be_valid
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issue = source.issues.first
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issue.rule.should eq subject
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issue.location.to_s.should eq "source.cr:1:5"
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issue.end_location.to_s.should eq "source.cr:1:9"
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issue.message.should eq "Cyclomatic complexity too high [8/5]"
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end
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it "doesn't report an issue for an increased threshold" do
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subject.max_complexity = 100
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source = Source.new(complex_method, "source.cr")
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subject.catch(source).should be_valid
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end
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end
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end
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