fix lineage child node column name not taking remaining space in card and showMoreButton (#21473)

* fix lineage child node column name not taking remaning space in card

* fix the showColumn button which was apperaring even if there were no columns

openmetadata-ui/src/main/resources/ui/src/components/Entity/EntityLineage/CustomNode.utils.tsx

@@ -137,8 +137,7 @@ export const getColumnContent = (
     <div
       className={classNames(
         'custom-node-column-container',
-        isColumnTraced && 'custom-node-header-tracing',
-        showDataObservabilitySummary && 'p-r-md'
+        isColumnTraced && 'custom-node-header-tracing'
       )}
       data-testid={`column-${fullyQualifiedName}`}
       key={fullyQualifiedName}
@@ -152,16 +151,16 @@ export const getColumnContent = (
         'lineage-column-node-handle',
         encodeLineageHandles(fullyQualifiedName ?? '')
       )}
-      <Row gutter={24}>
-        <Col
-          className="custom-node-name-container"
-          span={showDataObservabilitySummary ? 8 : 12}>
+      <Row className="d-flex items-center" gutter={12}>
+        <Col className="custom-node-name-container" flex="1">
+          {column.dataType && (
             <div className="custom-node-name-icon">
               {getColumnDataTypeIcon({
                 dataType: column.dataType,
                 width: '14px',
               })}
             </div>
+          )}
           <Typography.Text
             className="custom-node-column-label"
             ellipsis={{ tooltip: true }}>
@@ -169,16 +168,18 @@ export const getColumnContent = (
           </Typography.Text>
         </Col>
 
+        {column.constraint && (
           <Col
             className={classNames(
               'custom-node-constraint',
               showDataObservabilitySummary ? 'text-left' : 'text-right'
             )}
-          span={showDataObservabilitySummary ? 8 : 12}>
+            flex="80px">
             {column.constraint}
           </Col>
+        )}
         {showDataObservabilitySummary && (
-          <Col span={8}>
+          <Col flex="80px">
             <TestSuiteSummaryWidget
               isLoading={isLoading}
               size="small"

openmetadata-ui/src/main/resources/ui/src/components/Entity/EntityLineage/NodeChildren/NodeChildren.component.test.tsx

@@ -0,0 +1,139 @@
+/*
+ *  Copyright 2025 Collate.
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+import { act, fireEvent, render, screen } from '@testing-library/react';
+import React from 'react';
+import { useLineageProvider } from '../../../../context/LineageProvider/LineageProvider';
+import { EntityType } from '../../../../enums/entity.enum';
+import { LineageLayer } from '../../../../generated/settings/settings';
+import NodeChildren from './NodeChildren.component';
+
+const mockNode = {
+  id: 'test-id',
+  entityType: EntityType.TABLE,
+  fullyQualifiedName: 'test.fqn',
+  name: 'test',
+  columns: [
+    {
+      name: 'column1',
+      fullyQualifiedName: 'test.fqn.column1',
+      dataType: 'STRING',
+    },
+    {
+      name: 'column2',
+      fullyQualifiedName: 'test.fqn.column2',
+      dataType: 'STRING',
+    },
+  ],
+};
+
+const mockLineageProvider = {
+  tracedColumns: [],
+  activeLayer: [LineageLayer.ColumnLevelLineage],
+  onColumnClick: jest.fn(),
+  columnsHavingLineage: ['test.fqn.column1'],
+  isEditMode: false,
+  expandAllColumns: false,
+};
+
+jest.mock('../../../../context/LineageProvider/LineageProvider', () => ({
+  useLineageProvider: jest.fn().mockImplementation(() => mockLineageProvider),
+}));
+
+jest.mock('../../../../rest/testAPI', () => ({
+  getTestCaseExecutionSummary: jest.fn(),
+}));
+
+jest.mock('../../../../utils/EntityLink', () => ({
+  EntityLink: jest.fn(),
+}));
+
+jest.mock('../../../../utils/SearchClassBase', () => ({
+  getEntityIcon: jest.fn().mockReturnValue('entityIcon'),
+}));
+
+jest.mock('../CustomNode.utils', () => ({
+  getColumnContent: jest
+    .fn()
+    .mockImplementation((column) => <p>{column.name}</p>),
+}));
+
+jest.mock('../TestSuiteSummaryWidget/TestSuiteSummaryWidget.component', () =>
+  jest.fn().mockReturnValue(<p>TestSuiteSummaryWidget</p>)
+);
+
+describe('NodeChildren Component', () => {
+  it('should show show more button when there are columns without lineage', () => {
+    render(<NodeChildren isConnectable={false} node={mockNode} />);
+
+    const showMoreButton = screen.getByTestId('show-more-columns-btn');
+
+    expect(showMoreButton).toBeInTheDocument();
+  });
+
+  it('should hide show more button when all columns are shown after clicking show more button', () => {
+    render(<NodeChildren isConnectable={false} node={mockNode} />);
+
+    const showMoreButton = screen.getByTestId('show-more-columns-btn');
+    fireEvent.click(showMoreButton);
+
+    expect(
+      screen.queryByTestId('show-more-columns-btn')
+    ).not.toBeInTheDocument();
+  });
+
+  it('should hide show more button when all columns are shown', () => {
+    (useLineageProvider as jest.Mock).mockImplementation(() => ({
+      ...mockLineageProvider,
+      columnsHavingLineage: ['test.fqn.column1', 'test.fqn.column2'],
+    }));
+
+    render(<NodeChildren isConnectable={false} node={mockNode} />);
+
+    expect(
+      screen.queryByTestId('show-more-columns-btn')
+    ).not.toBeInTheDocument();
+  });
+
+  it('should show all columns when searching', () => {
+    render(<NodeChildren isConnectable={false} node={mockNode} />);
+
+    const searchInput = screen.getByPlaceholderText('label.search-entity');
+    act(() => {
+      fireEvent.change(searchInput, { target: { value: 'column' } });
+    });
+
+    expect(screen.getByText('column1')).toBeInTheDocument();
+    expect(screen.getByText('column2')).toBeInTheDocument();
+  });
+
+  it('should hide show more button when searching', () => {
+    render(<NodeChildren isConnectable={false} node={mockNode} />);
+
+    const searchInput = screen.getByPlaceholderText('label.search-entity');
+    fireEvent.change(searchInput, { target: { value: 'column' } });
+
+    expect(
+      screen.queryByTestId('show-more-columns-btn')
+    ).not.toBeInTheDocument();
+  });
+
+  it('should filter columns based on search input', () => {
+    render(<NodeChildren isConnectable={false} node={mockNode} />);
+
+    const searchInput = screen.getByPlaceholderText('label.search-entity');
+    fireEvent.change(searchInput, { target: { value: 'column1' } });
+
+    expect(screen.getByText('column1')).toBeInTheDocument();
+    expect(screen.queryByText('column2')).not.toBeInTheDocument();
+  });
+});

openmetadata-ui/src/main/resources/ui/src/components/Entity/EntityLineage/NodeChildren/NodeChildren.component.tsx

@@ -115,6 +115,7 @@ const NodeChildren = ({ node, isConnectable }: NodeChildrenProps) => {
           getEntityName(column).toLowerCase().includes(value.toLowerCase())
         );
         setFilteredColumns(filtered);
+        setShowAllColumns(true);
       }
     },
     [children]
@@ -151,7 +152,7 @@ const NodeChildren = ({ node, isConnectable }: NodeChildrenProps) => {
     try {
       const response = await getTestCaseExecutionSummary(testSuite.id);
       setSummary(response);
-    } catch (error) {
+    } catch {
       setSummary(undefined);
     } finally {
       setIsLoading(false);
@@ -286,7 +287,9 @@ const NodeChildren = ({ node, isConnectable }: NodeChildrenProps) => {
 
   // Pre-render column data outside of the return statement
   const renderedColumns = useMemo(() => {
-    return filteredColumns.map((column) => renderColumnsData(column as Column));
+    return filteredColumns
+      .map((column) => renderColumnsData(column as Column))
+      .filter(Boolean);
   }, [filteredColumns, renderColumnsData]);
 
   // Memoize the expand/collapse icon to prevent unnecessary re-renders
@@ -303,6 +306,15 @@ const NodeChildren = ({ node, isConnectable }: NodeChildrenProps) => {
     return searchClassBase.getEntityIcon(node.entityType ?? '');
   }, [node.entityType]);
 
+  const shouldShowMoreButton = useMemo(() => {
+    return (
+      !showAllColumns &&
+      !isEmpty(children) &&
+      renderedColumns.length !== children.length &&
+      !searchValue
+    );
+  }, [showAllColumns, children, renderedColumns, searchValue]);
+
   // Memoize the expand/collapse click handler
   const handleExpandCollapseClick = useCallback((e: React.MouseEvent) => {
     e.stopPropagation();
@@ -346,6 +358,7 @@ const NodeChildren = ({ node, isConnectable }: NodeChildrenProps) => {
               />
             </div>
 
+            {!isEmpty(renderedColumns) && (
               <section className="m-t-md" id="table-columns">
                 <div
                   className={classNames('rounded-4 overflow-hidden', {
@@ -354,10 +367,12 @@ const NodeChildren = ({ node, isConnectable }: NodeChildrenProps) => {
                   {renderedColumns}
                 </div>
               </section>
+            )}
 
-            {!showAllColumns && (
+            {shouldShowMoreButton && (
               <Button
                 className="m-t-xs text-primary"
+                data-testid="show-more-columns-btn"
                 type="text"
                 onClick={handleShowMoreClick}>
                 {t('label.show-more-entity', {

openmetadata-ui/src/main/resources/ui/src/components/Entity/EntityLineage/custom-node.less

@@ -78,6 +78,7 @@
 
   .column-container {
     min-height: 48px;
+    max-width: 320px;
     padding: 12px;
     background-color: @grey-1;
 
@@ -284,16 +285,17 @@
 }
 
 .custom-node-column-container {
-  padding: 6px;
+  padding: 6px 8px;
   background: @white;
   position: relative;
   font-size: 12px;
   font-weight: 400;
 
   .custom-node-name-container {
+    min-width: 0;
     display: flex;
     align-items: center;
-    padding-left: 12px;
+    text-align: left;
     gap: 4px;
 
     .custom-node-name-icon {
@@ -302,7 +304,8 @@
     }
 
     .custom-node-column-label {
-      max-width: 140px;
+      width: 100%;
+      display: block;
     }
   }
 

openmetadata-ui/src/main/resources/ui/src/styles/components/size.less

@@ -92,12 +92,6 @@
 .w-11-12 {
   width: 91.666667%;
 }
-.w-min-0 {
-  min-width: 0;
-}
-.w-max-full {
-  max-width: 100%;
-}
 .w-max-20 {
   max-width: 20%;
 }
@@ -191,6 +185,9 @@
   width: 100vw;
 }
 
+.w-min-0 {
+  min-width: 0;
+}
 .w-min-10 {
   min-width: 10rem;
 }