Create test for checking csv parser stripping

test/fixtures/reference_whitespace_stripping.csv

@@ -0,0 +1,5 @@
+,key,en,
+,no_whitespaces,no_whitespaces,
+,  before,  before,
+,after  ,after  ,
+,  both  ,  both  ,

test/parsers/csv_parser_test.rb

@@ -4,6 +4,54 @@
 module AdLocalize
   module Parsers
     class CSVParserTest < TestCase
+      test 'should trim whitespace on keys and translations' do
+        # Given
+        csv_path = "test/fixtures/reference_whitespace_stripping.csv"
+        assert(File.exist?(csv_path), "File does not exists #{csv_path}")
+        parser = Parsers::CSVParser.new
+        export_request = Requests::ExportRequest.new
+
+        # When
+        wording = parser.call(csv_path: csv_path, export_request: export_request)
+
+        # Then
+        en_singular_wording = wording["en"].singulars
+
+        assert_equal en_singular_wording["no_whitespaces"].key.label, "no_whitespaces"
+        assert_equal en_singular_wording["before"].key.label, "before"
+        assert_equal en_singular_wording["after"].key.label, "after"
+        assert_equal en_singular_wording["both"].key.label, "both"
+
+        assert_equal en_singular_wording["no_whitespaces"].value, "no_whitespaces"
+        assert_equal en_singular_wording["before"].value, "before"
+        assert_equal en_singular_wording["after"].value, "after"
+        assert_equal en_singular_wording["both"].value, "both"
+      end
+
+      test 'should not trim whitespace on translation when strip is disabled' do
+        # Given
+        csv_path = "test/fixtures/reference_whitespace_stripping.csv"
+        assert(File.exist?(csv_path), "File does not exists #{csv_path}")
+        parser = Parsers::CSVParser.new
+        export_request = Requests::ExportRequest.new
+        export_request.skip_value_stripping = true
+
+        # When
+        wording = parser.call(csv_path: csv_path, export_request: export_request)
+
+        # Then
+        en_singular_wording = wording["en"].singulars
+
+        assert_equal en_singular_wording["no_whitespaces"].key.label, "no_whitespaces"
+        assert_equal en_singular_wording["before"].key.label, "before"
+        assert_equal en_singular_wording["after"].key.label, "after"
+        assert_equal en_singular_wording["both"].key.label, "both"
+
+        assert_equal en_singular_wording["no_whitespaces"].value, "no_whitespaces"
+        assert_equal en_singular_wording["before"].value, "  before"
+        assert_equal en_singular_wording["after"].value, "after  "
+        assert_equal en_singular_wording["both"].value, "  both  "
+      end
     end
   end
 end