RSpec.shared_examples "matches lines containing" do |match, example_string, check_index: 0, match_index: 0, ignored: false|
  context match do
    context example_string do
      before(:all) { @scanner = described_class.new(Pluginscan::THE_CHECKS) }
      let(:file_contents) { example_string }
      let(:checks_findings) { @scanner.scan(file_contents) }
      let(:check_findings) { checks_findings[check_index] }
      let(:finding) do
        raise "Tried to get findings for the #{check_index}th check matching this line, but only #{checks_findings.count} checks match this line" if check_findings.nil?
        check_findings.findings[match_index]
      end

      it "finds a finding which checks_findings #{match}" do
        expect(checks_findings).to_not be_empty
        expect(finding.lineno).to  eq 1
        expect(finding.line).to    eq file_contents
        expect(finding.match).to   eq match
        expect(finding.ignored).to eq ignored
      end
    end
  end
end

RSpec.shared_examples "ignores lines containing" do |match, example_string, check_index: 0, match_index: 0|
  it_behaves_like "matches lines containing", match, example_string, check_index: check_index, match_index: match_index, ignored: true
end

RSpec.shared_examples "matches a variable assigned to a superglobal" do |superglobal|
  example_string = "$value = #{superglobal}['foo']"
  it_behaves_like "matches lines containing", superglobal, example_string
end