require "spec_helper"

describe ExpandVariables do
  describe "#expand" do
    subject { described_class.expand(value, variables) }

    tests = [
      {value: "key",
       result: "key",
       variables: [],},
      {value: "key$variable",
       result: "key",
       variables: [],},
      {value: "key$variable",
       result: "keyvalue",
       variables: [
         {key: "variable", value: "value"},
       ],},
      {value: "key${variable}",
       result: "keyvalue",
       variables: [
         {key: "variable", value: "value"},
       ],},
      {value: "key$variable$variable2",
       result: "keyvalueresult",
       variables: [
         {key: "variable", value: "value"},
         {key: "variable2", value: "result"},
       ],},
      {value: "key${variable}${variable2}",
       result: "keyvalueresult",
       variables: [
         {key: "variable", value: "value"},
         {key: "variable2", value: "result"},
       ],},
      {value: "key$variable2$variable",
       result: "keyresultvalue",
       variables: [
         {key: "variable", value: "value"},
         {key: "variable2", value: "result"},
       ],},
      {value: "key${variable2}${variable}",
       result: "keyresultvalue",
       variables: [
         {key: "variable", value: "value"},
         {key: "variable2", value: "result"},
       ],},
      {value: "review/$CI_COMMIT_REF_NAME",
       result: "review/feature/add-review-apps",
       variables: [
         {key: "CI_COMMIT_REF_NAME", value: "feature/add-review-apps"},
       ],},
    ]

    tests.each do |test|
      context "#{test[:value]} resolves to #{test[:result]}" do
        let(:value) { test[:value] }
        let(:variables) { test[:variables] }

        it { is_expected.to eq(test[:result]) }
      end
    end
  end
end