Add test to accept UTF8 characters

Make it more explicit that bad-characters contains
a unicode control character.

@yolinas, @alexmuller

backdrop/core/parse_csv.py

@@ -26,7 +26,7 @@ def parse_rows(data):
     for datum in data:
         if None in datum.keys():
             raise ParseError(
-                'Some rows ins the CSV file contain more values than columns')
+                'Some rows in the CSV file contain more values than columns')
         if None in datum.values():
             raise ParseError(
                 'Some rows in the CSV file contain fewer values than columns')

features/fixtures/bad-characters.csv

@@ -1,2 +1,3 @@
 foo
+unicodecontrol
 �

features/fixtures/currency-symbols.csv

@@ -0,0 +1,4 @@
+foo
+£
+$
+€

features/write_api/upload_validation.feature

@@ -38,7 +38,7 @@ Feature: csv upload validation
         then I should see the text "There was an error with your upload"
          and the platform should have "0" items stored in "foo"
 
-    Scenario: non UTF8 characters
+    Scenario: should reject non UTF8 characters
        Given a file named "data.csv" with fixture "bad-characters.csv"
          and I am logged in
         when I go to "/foo/upload"
@@ -47,6 +47,20 @@ Feature: csv upload validation
         then I should see the text "There was an error with your upload"
          and the platform should have "0" items stored in "foo"
 
+
+    Scenario: should accept UTF8 characters
+       Given a file named "data.csv" with fixture "currency-symbols.csv"
+         and I am logged in
+        when I go to "/foo/upload"
+         and I enter "data.csv" into the file upload field
+         and I click "Upload"
+        then the platform should have stored in "foo":
+             """
+             {"foo": "£"}
+             {"foo": "$"}
+             {"foo": "€"}
+             """
+
     Scenario: no file is provided
        Given I am logged in
         when I go to "/foo/upload"