Add translation test case for DeepL::Translator

.github/workflows/test_with_deepl_mock.yml

@@ -58,7 +58,10 @@ jobs:
         run: shards install --without-development
 
       - name: Run tests
-        run: crystal spec -Ddeepl_mock
+        run: |
+          echo $DEEPL_AUTH_KEY
+          crystal spec -Ddeepl_mock
         env:
           DEEPL_SERVER_URL: http://localhost:3000
           HTTP_PROXY: http://localhost:3001
+          DEEPL_AUTH_KEY: mock

spec/spec_helper.cr

@@ -1,6 +1,6 @@
 require "spec"
 {% if flag?(:deepl_mock) %}
-STDERR.puts " Using mock for DeepL API ".colorize.back(:magenta)
-require "./crest_extension_for_mock"
+  STDERR.puts " Using mock for DeepL API ".colorize.back(:magenta)
+  require "./crest_extension_for_mock"
 {% end %}
 require "../src/deepl"

spec/translator_spec.cr

@@ -69,4 +69,11 @@ describe DeepL::Translator do
     output_file.parent.should eq(Path[__DIR__] / "fixtures")
     output_file.basename.to_s.should match(/sample_PT-BR_\d{10}.txt/)
   end
+
+  {% if flag?(:deepl_mock) %}
+    it "can translate text using mock" do
+      t = DeepL::Translator.new
+      t.translate_text("proton beam", "DE", "EN").should eq("Protonenstrahl")
+    end
+  {% end %}
 end