v1.00 Unit-Testing-UIAssets-Module

UIAssets.py

@@ -39,13 +39,6 @@ def get_currencies():
         'United Arab Emirates Dirham': 'AED', 'Vanuatu Vatu': 'VUV', 'Venezuela Bolivar': 'VEB', 'Vietnam Dong': 'VND', 'Yemen Rial': 'YER', 
         'Zambia Kwacha': 'ZMK', 'Zimbabwe Dollar': 'ZWD'}
 
-    return currencies_list
-
-
-def create_currencylist():
-
-    currencies_list = get_currencies()
-
     with open('kv_data/CurrencyList.kv', 'wt') as file:
 
         spacer_i    = '\n\n\t'
@@ -65,8 +58,8 @@ def create_currencylist():
             file.write( widget )
 
         file.close()
-
-    return 
+        
+    return currencies_list
 
 
 def convert( convert_from, convert_to, amount ):
@@ -89,7 +82,7 @@ def convert( convert_from, convert_to, amount ):
                 new_amount = json.loads( response.text )
                 new_amount = new_amount[ 'new_amount' ]
 
-                return str( new_amount )
+                return new_amount
 
             else:
 

main.py

@@ -6,10 +6,7 @@
 
 from kivymd.app import MDApp
 
-from UIAssets import convert, create_currencylist, get_currencies
-
-
-create_currencylist()
+from UIAssets import convert, get_currencies
 
 screenmanager = ScreenManager()
 
@@ -19,20 +16,20 @@ class CurrencyConverter( MDApp ):
     field_name: str
     currency_name: str
 
-    def build( self ):
+    def build( self )  -> object:
 
-        self.theme_cls.material_style = 'M3'
         self.theme_cls.theme_style = 'Dark'
+        self.theme_cls.material_style = 'M3'
 
         converterui  = Builder.load_file( 'kv_data/CurrencyConverterPage.kv' )
         currencylist = Builder.load_file( 'kv_data/CurrencyList.kv' )
-
+        
         screenmanager.add_widget( converterui )
         screenmanager.add_widget( currencylist )
 
         return screenmanager
 
-    def currencylist(self, field_name: str ):
+    def currencylist(self, field_name: str ) -> None:
 
         screenmanager.current = 'currencylist'   
         screen = screenmanager.current_screen
@@ -41,15 +38,15 @@ def currencylist(self, field_name: str ):
 
         Window.release_all_keyboards()
 
-    def set_currency( self, currency_name: str, field_name: str ):
+    def set_currency( self, currency_name: str, field_name: str ) -> None:
 
         screenmanager.current = 'converterui' 
         screen = screenmanager.current_screen
 
         if field_name == 'convertto': screen.ids.convertto.text = currency_name
         if field_name == 'convertfrom': screen.ids.convertfrom.text = currency_name
 
-    def converterui( self, *args: str ):
+    def converterui( self, *args: str ) -> None:
 
         screenmanager.current = 'converterui'   
         screen = screenmanager.current_screen
@@ -62,12 +59,17 @@ def converterui( self, *args: str ):
 
             currencies_list = get_currencies()
 
-            converted_amount = convert( currencies_list[ convertfrom ], 
+            converted_amount = str( convert( currencies_list[ convertfrom ], 
                                         currencies_list[ convertto ], 
-                                        amount )
+                                        amount ) )
 
             screen.ids.amount.text = ''
-            screen.ids.result.text = f'{ converted_amount } { currencies_list[ convertto ] }'
+
+            if converted_amount != 'Connection Error!' and converted_amount != 'Database Error!':
+
+                screen.ids.result.text = f'{ converted_amount } { currencies_list[ convertto ] }'
+
+            else: screen.ids.result.text = converted_amount 
 
         else: 
 

requirements.txt

@@ -0,0 +1,2 @@
+kivy
+kivymd

tests/test_uiassets_module.py

@@ -0,0 +1,46 @@
+import sys
+
+wd = '/home/sr-ronn-m/Documents/Python Projects/CurrencyConverterApp/'
+
+sys.path.insert(0, wd)
+
+import UIAssets
+
+def test_get_currencies_default() -> None:
+
+    result = UIAssets.get_currencies()
+
+    assert type(result) is dict
+
+def test_convert_default() -> None:
+
+    req_format_0 = 'USD'
+    req_format_1 = 'AUD'
+    req_format_2 = 1000
+
+    result = UIAssets.convert(req_format_0, req_format_1, req_format_2)
+
+    assert type(result) is float or result == 'Connection Error!'
+
+def test_convert_default_str() -> None:
+
+    req_format_0 = 'USD'
+    req_format_1 = 'AUD'
+    req_format_2 = '1000'
+
+    result = UIAssets.convert(req_format_0, req_format_1, req_format_2) 
+
+    assert type(result) is float or result == 'Connection Error!'
+
+def test_convert_unknown_str() -> None:
+
+    req_format_0 = 'USD'
+    req_format_1 = 'AUD'
+    req_format_2 = 'ABC'
+
+    result = UIAssets.convert(req_format_0, req_format_1, req_format_2)    
+
+    print('true')
+
+    assert result == 'Database Error!' or result == 'Connection Error!'
+