ch03: fix test and reformat

JBSP-code · JBSP-code · commit 2d8bf0ef2400 · 2023-01-05T20:14:30.000+01:00
diff --git a/03_picnic/test.py b/03_picnic/test.py
@@ -4,7 +4,7 @@
 import os
 from subprocess import getoutput
 
-prg = './picnic.py'
+prg = "picnic.py"
 
 
 # --------------------------------------------------
@@ -18,51 +18,52 @@ def test_exists():
 def test_usage():
     """usage"""
 
-    for flag in ['', '-h', '--help']:
-        out = getoutput(f'{prg} {flag}')
-        assert out.lower().startswith('usage')
+    for flag in ["", "-h", "--help"]:
+        out = getoutput(f"{prg} {flag}")
+        assert out.lower().startswith("usage")
 
 
 # --------------------------------------------------
 def test_one():
     """one item"""
 
-    out = getoutput(f'{prg} chips')
-    assert out.strip() == 'You are bringing chips.'
+    out = getoutput(f"{prg} chips")
+    assert out.strip() == "You are bringing chips."
 
 
 # --------------------------------------------------
 def test_two():
     """two items"""
 
     out = getoutput(f'{prg} soda "french fries"')
-    assert out.strip() == 'You are bringing soda and french fries.'
+    assert out.strip() == "You are bringing soda and french fries."
 
 
 # --------------------------------------------------
 def test_more_than_two():
     """more than two items"""
 
     arg = '"potato chips" coleslaw cupcakes "French silk pie"'
-    out = getoutput(f'{prg} {arg}')
-    expected = ('You are bringing potato chips, coleslaw, '
-                'cupcakes, and French silk pie.')
+    out = getoutput(f"{prg} {arg}")
+    expected = (
+        "You are bringing potato chips, coleslaw, " "cupcakes, and French silk pie."
+    )
     assert out.strip() == expected
 
 
 # --------------------------------------------------
 def test_two_sorted():
     """two items sorted output"""
 
-    out = getoutput(f'{prg} -s soda candy')
-    assert out.strip() == 'You are bringing candy and soda.'
+    out = getoutput(f"{prg} -s soda candy")
+    assert out.strip() == "You are bringing candy and soda."
 
 
 # --------------------------------------------------
 def test_more_than_two_sorted():
     """more than two items sorted output"""
 
-    arg = 'bananas apples dates cherries'
-    out = getoutput(f'{prg} {arg} --sorted')
-    expected = ('You are bringing apples, bananas, cherries, and dates.')
+    arg = "bananas apples dates cherries"
+    out = getoutput(f"{prg} {arg} --sorted")
+    expected = "You are bringing apples, bananas, cherries, and dates."
     assert out.strip() == expected
