remove redundant tests for DataFrameHtmlFormatter and clean up assertions

Author: kosiew

python/tests/test_dataframe.py

@@ -1747,107 +1747,4 @@ def test_html_formatter_manual_format_html(clean_formatter_state):
     local_html_2 = local_formatter.format_html([batch], batch.schema)
 
     assert "<style>" in local_html_1
-    assert "<style>" in local_html_2
-
-
-def test_html_formatter_memory_and_rows():
-    """Test the memory and row control parameters in DataFrameHtmlFormatter."""
-    
-    # Test default values
-    formatter = DataFrameHtmlFormatter()
-    assert formatter.max_memory_bytes == 2 * 1024 * 1024  # 2 MB
-    assert formatter.min_rows_display == 20
-    assert formatter.repr_rows == 10
-    
-    # Test custom values
-    formatter = DataFrameHtmlFormatter(
-        max_memory_bytes=1024 * 1024,  # 1 MB
-        min_rows_display=10,
-        repr_rows=5
-    )
-    assert formatter.max_memory_bytes == 1024 * 1024
-    assert formatter.min_rows_display == 10
-    assert formatter.repr_rows == 5
-    
-    # Test extremely large values and tiny values (edge cases)
-    # These should not raise exceptions
-    extreme_formatter = DataFrameHtmlFormatter(
-        max_memory_bytes=10 * 1024 * 1024 * 1024,  # 10 GB
-        min_rows_display=1,
-        repr_rows=1
-    )
-    assert extreme_formatter.max_memory_bytes == 10 * 1024 * 1024 * 1024
-    assert extreme_formatter.min_rows_display == 1
-    assert extreme_formatter.repr_rows == 1
-    
-    # Test validation for invalid parameters
-    with pytest.raises(ValueError, match="max_memory_bytes must be a positive integer"):
-        DataFrameHtmlFormatter(max_memory_bytes=0)
-    
-    with pytest.raises(ValueError, match="max_memory_bytes must be a positive integer"):
-        DataFrameHtmlFormatter(max_memory_bytes=-100)
-    
-    with pytest.raises(ValueError, match="min_rows_display must be a positive integer"):
-        DataFrameHtmlFormatter(min_rows_display=0)
-    
-    with pytest.raises(ValueError, match="min_rows_display must be a positive integer"):
-        DataFrameHtmlFormatter(min_rows_display=-5)
-    
-    with pytest.raises(ValueError, match="repr_rows must be a positive integer"):
-        DataFrameHtmlFormatter(repr_rows=0)
-    
-    with pytest.raises(ValueError, match="repr_rows must be a positive integer"):
-        DataFrameHtmlFormatter(repr_rows=-10)
-
-
-def test_html_formatter_custom_style_provider_with_parameters(df, clean_formatter_state):
-    """Test using custom style providers with the HTML formatter and configured parameters."""
-
-    class CustomStyleProvider:
-        def get_cell_style(self) -> str:
-            return (
-                "background-color: #f5f5f5; color: #333; padding: 8px; border: "
-                "1px solid #ddd;"
-            )
-
-        def get_header_style(self) -> str:
-            return (
-                "background-color: #4285f4; color: white; font-weight: bold; "
-                "padding: 10px; border: 1px solid #3367d6;"
-            )
-
-    # Configure with custom style provider
-    configure_formatter(style_provider=CustomStyleProvider())
-
-    html_output = df._repr_html_()
-
-    # Verify our custom styles were applied
-    assert "background-color: #4285f4" in html_output
-    assert "color: white" in html_output
-    assert "background-color: #f5f5f5" in html_output
-
-    # Reset for the next part of the test
-    reset_formatter()
-    
-    # Configure with custom style provider and additional parameters
-    configure_formatter(
-        style_provider=CustomStyleProvider(),
-        max_memory_bytes=3 * 1024 * 1024,  # 3 MB
-        min_rows_display=15,
-        repr_rows=7
-    )
-
-    html_output = df._repr_html_()
-
-    # Verify our custom styles were applied
-    assert "background-color: #4285f4" in html_output
-    assert "color: white" in html_output
-    assert "background-color: #f5f5f5" in html_output
-
-    # Test memory and row parameters were properly set
-    formatter = get_formatter()
-    assert formatter.max_memory_bytes == 3 * 1024 * 1024  # 3 MB
-    assert formatter.min_rows_display == 15
-    assert formatter.repr_rows == 7
-
-
+    assert "<style>" in local_html_2