#50 add fake fast_print to CharacterBasedErikaMock; add simple test

Author: ArchibaldBienetre

erika/erika_mock.py

@@ -136,9 +136,6 @@ def _write_byte(self, data, delay=0.5):
     def decode(self, value):
         raise Exception('Not supported yet')
 
-    def fast_print(self, text):
-        raise Exception('Not supported yet')
-
 
 # to get exception-safe behavior, make sure __exit__ is always called (by using with-statements)
 class CharacterBasedErikaMock(AbstractErikaMock):
@@ -223,6 +220,12 @@ def print_ascii(self, text):
             sleep(self.delay_after_each_step)
         self.stdscr.refresh()
 
+    def fast_print(self, text):
+        """just emulates fast printing (doing line splitting + then normal printing)"""
+        for split in text.splitlines():
+            self.print_ascii(split)
+            self.crlf()
+
     def delete_ascii(self, reversed_text):
         text_length = len(reversed_text)
         if text_length == 0:
@@ -340,5 +343,8 @@ def crlf(self):
     def print_ascii(self, text):
         raise Exception('Characters and character steps are not supported in microstep-based tests')
 
+    def fast_print(self, text):
+        raise Exception('Characters and character steps are not supported in microstep-based tests')
+
     def delete_ascii(self, text):
         raise Exception('Characters and character steps are not supported in microstep-based tests')

tests/erika_mock_unittest.py

@@ -121,6 +121,15 @@ def test_delete_pixel(self):
         my_erika.delete_pixel()
         assert_print_output(self, my_erika, ["XXX X"])
 
+    def test_fast_print(self):
+        my_erika = CharacterBasedErikaMock(width=5, height=4, inside_unit_test=True)
+        lines = "line1\nline2\n\nline4"
+
+        my_erika.fast_print(lines)
+
+        expected_lines = ["line1", "line2", "     ", "line4"]
+        assert_print_output(self, my_erika, expected_lines)
+
 
 def main():
     unittest.main()