Break out sequence API tests

Author: atpalmer

test/test_cstring.py

@@ -1,4 +1,3 @@
-import pytest
 from cstring import cstring
 
 
@@ -51,63 +50,3 @@ def test_ge():
     assert cstring('a') >= cstring('a')
     assert cstring('b') >= cstring('a')
 
-
-# Sequence API
-
-
-def test_len():
-    result = cstring('hello, world')
-    assert len(result) == 12
-
-
-def test_concat():
-    result = cstring('hello') + cstring(', ') + cstring('world')
-    assert 'hello, world' == str(result)
-
-
-def test_concat_TypeError():
-    with pytest.raises(TypeError, match='^Object must have type cstring, not str.$'):
-        cstring('hello') + 'world'
-
-
-def test_repeat_zero():
-    result = cstring('hello') * 0
-    assert result == cstring('')
-
-
-def test_repeat_five():
-    result = cstring('hello') * 5
-    assert result == cstring('hellohellohellohellohello')
-
-
-def test_item_IndexError_too_small():
-    with pytest.raises(IndexError):
-        result = cstring('hello')[-6]
-
-
-def test_item_ok_neg():
-    result = cstring('hello')[-5]
-    assert isinstance(result, cstring)
-    assert result == cstring('h')
-
-
-def test_item_IndexError_too_big():
-    with pytest.raises(IndexError):
-        result = cstring('hello')[5]
-
-
-def test_item_ok_pos():
-    result = cstring('hello')[4]
-    assert isinstance(result, cstring)
-    assert result == cstring('o')
-
-
-def test_contains_True():
-    assert cstring('ell') in cstring('hello')
-
-
-def test_contains_False():
-    assert cstring('hello') not in cstring('world')
-
-
-

test/test_sequence.py

@@ -0,0 +1,58 @@
+import pytest
+from cstring import cstring
+
+
+def test_len():
+    result = cstring('hello, world')
+    assert len(result) == 12
+
+
+def test_concat():
+    result = cstring('hello') + cstring(', ') + cstring('world')
+    assert 'hello, world' == str(result)
+
+
+def test_concat_TypeError():
+    with pytest.raises(TypeError, match='^Object must have type cstring, not str.$'):
+        cstring('hello') + 'world'
+
+
+def test_repeat_zero():
+    result = cstring('hello') * 0
+    assert result == cstring('')
+
+
+def test_repeat_five():
+    result = cstring('hello') * 5
+    assert result == cstring('hellohellohellohellohello')
+
+
+def test_item_IndexError_too_small():
+    with pytest.raises(IndexError):
+        result = cstring('hello')[-6]
+
+
+def test_item_ok_neg():
+    result = cstring('hello')[-5]
+    assert isinstance(result, cstring)
+    assert result == cstring('h')
+
+
+def test_item_IndexError_too_big():
+    with pytest.raises(IndexError):
+        result = cstring('hello')[5]
+
+
+def test_item_ok_pos():
+    result = cstring('hello')[4]
+    assert isinstance(result, cstring)
+    assert result == cstring('o')
+
+
+def test_contains_True():
+    assert cstring('ell') in cstring('hello')
+
+
+def test_contains_False():
+    assert cstring('hello') not in cstring('world')
+