add test case for complex obfuscation strategy

spec/translator_spec.rb

@@ -19,7 +19,7 @@
  let(:translator) { Polo::Translator.new([finder], Polo::Configuration.new(obfuscate: obfuscated_fields)) }
  let(:netto) { netto = translator.instances.first }
 
- context "with obfuscated field with no specified strategy" do
+ context "obfuscated field with no specified strategy" do
  let(:obfuscated_fields) {{email: nil }}
 
  it "shuffles characters in field" do
@@ -29,15 +29,25 @@
  end
  end
 
- context "with obfuscated field with obscuration strategy applied which will result in 42" do
+ context "obfuscated field with obscuration strategy applied which will result in 42" do
  let(:obfuscated_fields) {{email: lambda { |_| 42 } } }
 
  it "replaces contents of field according to the supplied lambda" do
  expect(netto.email.to_s).to eq "42"
  end
  end
 
- context "with no strategy passed in" do
+ context "complex custom obfuscation strategy" do
+ let(:obfuscated_fields) do
+ { email: lambda { |field| "temp_#{field}" } }
+ end
+
+ it "replaces contents of field according to the supplied lambda" do
+ expect(netto.email.to_s).to eq "temp_nettofarah@gmail.com"
+ end
+ end
+
+ context "no strategy passed in" do
  let(:obfuscated_fields) { [:email] }
 
  it "shuffles contents" do