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test(pdf-exporter): increase unit test coverage for pdf-exporter.ts #17079

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Copilot Mar 23, 2026
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test(pdf-exporter): add unit tests to increase code coverage
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chore(*): disabling faulty test setup
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chore(*): disabling faulty describe
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chore(pdf): reenabling previously skipped tests
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chore(pdf): fixing linting error in test
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test(pdf-exporter): add grid-based tests for hierarchical and pivot g…
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375 changes: 370 additions & 5 deletions projects/igniteui-angular/grids/core/src/services/pdf/pdf-exporter-grid.spec.ts
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Original file line number Diff line number Diff line change
@@ -1,18 +1,27 @@
import { TestBed, waitForAsync } from '@angular/core/testing';
import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
import { ExportUtilities } from '../exporter-common/export-utilities';
import { IgxPdfExporterService } from './pdf-exporter';
import { IgxPdfExporterOptions } from './pdf-exporter-options';
import { GridIDNameJobTitleComponent } from '../../../../../test-utils/grid-samples.spec';
import { first } from 'rxjs/operators';
import { NoopAnimationsModule } from '@angular/platform-browser/animations';
import { NestedColumnGroupsGridComponent, ColumnGroupTestComponent, BlueWhaleGridComponent } from '../../../../../test-utils/grid-mch-sample.spec';
import { IgxHierarchicalGridExportComponent, IgxHierarchicalGridTestBaseComponent } from '../../../../../test-utils/hierarchical-grid-components.spec';
import { IgxTreeGridSortingComponent, IgxTreeGridPrimaryForeignKeyComponent } from '../../../../../test-utils/tree-grid-components.spec';
import {
IgxHierarchicalGridExportComponent,
IgxHierarchicalGridTestBaseComponent,
IgxHierarchicalGridMultiColumnHeadersExportComponent,
IgxHierarchicalGridMultiColumnHeaderIslandsExportComponent,
IgxHierarchicalGridSummariesExportComponent,
IgxHierarchicalGridEmptyDataExportComponent,
IgxHierarchicalGridMissingChildDataExportComponent
} from '../../../../../test-utils/hierarchical-grid-components.spec';
import { IgxTreeGridSortingComponent, IgxTreeGridPrimaryForeignKeyComponent, IgxTreeGridSummariesKeyComponent } from '../../../../../test-utils/tree-grid-components.spec';
import { CustomSummariesComponent } from 'igniteui-angular/grids/grid/src/grid-summary.spec';
import { IgxHierarchicalGridComponent } from 'igniteui-angular/grids/hierarchical-grid';
import { IgxPivotGridMultipleRowComponent, IgxPivotGridTestComplexHierarchyComponent } from '../../../../../test-utils/pivot-grid-samples.spec';
import { IgxHierarchicalRowComponent } from 'igniteui-angular/grids/hierarchical-grid/src/hierarchical-row.component';
import { IgxPivotGridMultipleRowComponent, IgxPivotGridTestComplexHierarchyComponent, SALES_DATA } from '../../../../../test-utils/pivot-grid-samples.spec';
import { IgxPivotGridComponent } from 'igniteui-angular/grids/pivot-grid';
import { PivotRowLayoutType } from 'igniteui-angular/grids/core';
import { IgxPivotNumericAggregate, PivotRowLayoutType } from 'igniteui-angular/grids/core';
import { UIInteractions, wait } from 'igniteui-angular/test-utils/ui-interactions.spec';

describe('PDF Grid Exporter', () => {
Expand Down Expand Up @@ -595,4 +604,360 @@ describe('PDF Grid Exporter', () => {
});
});
});

describe('Hierarchical Grid with Multi-Column Headers', () => {
it('should export hierarchical grid with multi-column headers in parent', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxHierarchicalGridMultiColumnHeadersExportComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxHierarchicalGridMultiColumnHeadersExportComponent);
fix.detectChanges();

const hGrid = fix.componentInstance.hGrid;

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(hGrid, options);
});

it('should export hierarchical grid with multi-column headers in parent and expanded rows', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxHierarchicalGridMultiColumnHeadersExportComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxHierarchicalGridMultiColumnHeadersExportComponent);
fix.detectChanges();

const hGrid = fix.componentInstance.hGrid;
const firstRow = hGrid.gridAPI.get_row_by_index(0) as IgxHierarchicalRowComponent;
UIInteractions.simulateClickAndSelectEvent(firstRow.expander);
fix.detectChanges();

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(hGrid, options);
});

it('should export hierarchical grid with multi-column headers only in child islands', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxHierarchicalGridMultiColumnHeaderIslandsExportComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxHierarchicalGridMultiColumnHeaderIslandsExportComponent);
fix.detectChanges();

const hGrid = fix.componentInstance.hGrid;

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(hGrid, options);
});

it('should export hierarchical grid with multi-column headers in child islands and expanded rows', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxHierarchicalGridMultiColumnHeaderIslandsExportComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxHierarchicalGridMultiColumnHeaderIslandsExportComponent);
fix.detectChanges();

const hGrid = fix.componentInstance.hGrid;
const firstRow = hGrid.gridAPI.get_row_by_index(0) as IgxHierarchicalRowComponent;
UIInteractions.simulateClickAndSelectEvent(firstRow.expander);
fix.detectChanges();

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(hGrid, options);
});
});

describe('Hierarchical Grid Edge Cases', () => {
it('should export hierarchical grid with summaries', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxHierarchicalGridSummariesExportComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxHierarchicalGridSummariesExportComponent);
fix.detectChanges();

const hGrid = fix.componentInstance.hGrid;

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(hGrid, options);
});

it('should export hierarchical grid with summaries and expanded rows', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxHierarchicalGridSummariesExportComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxHierarchicalGridSummariesExportComponent);
fix.detectChanges();

const hGrid = fix.componentInstance.hGrid;
const firstRow = hGrid.gridAPI.get_row_by_index(0) as IgxHierarchicalRowComponent;
UIInteractions.simulateClickAndSelectEvent(firstRow.expander);
fix.detectChanges();

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(hGrid, options);
});

it('should export hierarchical grid with empty data', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxHierarchicalGridEmptyDataExportComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxHierarchicalGridEmptyDataExportComponent);
fix.detectChanges();

const hGrid = fix.componentInstance.hGrid;

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(hGrid, options);
});

it('should export hierarchical grid with missing child data key without error', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxHierarchicalGridMissingChildDataExportComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxHierarchicalGridMissingChildDataExportComponent);
fix.detectChanges();

const hGrid = fix.componentInstance.hGrid;

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(hGrid, options);
});
});

describe('Tree Grid Summaries', () => {
it('should export tree grid with summaries', (done) => {
TestBed.configureTestingModule({
imports: [
NoopAnimationsModule,
IgxTreeGridSummariesKeyComponent
]
}).compileComponents();

const fix = TestBed.createComponent(IgxTreeGridSummariesKeyComponent);
fix.detectChanges();

const treeGrid = fix.componentInstance.treeGrid;
treeGrid.expandAll();
fix.detectChanges();

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(treeGrid, options);
});
});

describe('Pivot Grid Hierarchical Row Dimensions', () => {
let pivotGrid: IgxPivotGridComponent;
let fix: ComponentFixture<IgxPivotGridMultipleRowComponent>;

beforeEach(async () => {
fix = TestBed.createComponent(IgxPivotGridMultipleRowComponent);
fix.detectChanges();
await wait();
pivotGrid = fix.componentInstance.pivotGrid;
});

it('should export pivot grid with hierarchical row dimensions', (done) => {
fix.componentInstance.data = SALES_DATA;
fix.componentInstance.pivotConfigHierarchy = {
rows: [
{
memberName: 'All_Srep Code Alts',
enabled: true,
childLevel: {
memberName: 'SREP_CODE_ALT',
displayName: 'Srep Code Alt',
sortDirection: 1,
enabled: true,
},
},
{
memberName: 'All_Srep Codes',
enabled: true,
childLevel: {
memberName: 'SREP_CODE',
displayName: 'Srep Code',
sortDirection: 1,
enabled: true,
},
},
{
memberName: 'All_Customers',
enabled: true,
childLevel: {
memberName: 'CUST_CODE',
displayName: 'Customer',
sortDirection: 1,
enabled: true,
},
}
],
columns: [],
values: [
{
member: 'JOBS',
aggregate: {
key: 'Count of Jobs',
aggregator: IgxPivotNumericAggregate.count,
label: 'Count of Jobs',
},
enabled: true,
dataType: 'number',
},
{
member: 'INV_SALES',
aggregate: {
key: 'Sum of Sales',
aggregator: IgxPivotNumericAggregate.sum,
label: 'Sum of Sales',
},
enabled: true,
dataType: 'number',
},
],
filters: [],
};
pivotGrid.pivotUI.showRowHeaders = true;
fix.detectChanges();

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(pivotGrid, options);
});

it('should export pivot grid with hierarchical row dimensions without borders', (done) => {
options.showTableBorders = false;
fix.componentInstance.data = SALES_DATA;
fix.componentInstance.pivotConfigHierarchy = {
rows: [
{
memberName: 'All_Srep Codes',
enabled: true,
childLevel: {
memberName: 'SREP_CODE',
displayName: 'Srep Code',
sortDirection: 1,
enabled: true,
},
}
],
columns: [],
values: [
{
member: 'JOBS',
aggregate: {
key: 'Count of Jobs',
aggregator: IgxPivotNumericAggregate.count,
label: 'Count of Jobs',
},
enabled: true,
dataType: 'number',
},
],
filters: [],
};
pivotGrid.pivotUI.showRowHeaders = true;
fix.detectChanges();

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(pivotGrid, options);
});

it('should export pivot grid with row headers and no column dimensions', (done) => {
pivotGrid.pivotUI.showRowHeaders = true;
fix.detectChanges();

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(pivotGrid, options);
});

it('should export pivot grid with row headers and landscape orientation', (done) => {
options.pageOrientation = 'landscape';
pivotGrid.pivotUI.showRowHeaders = true;
fix.detectChanges();

exporter.exportEnded.pipe(first()).subscribe(() => {
expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
done();
});

exporter.export(pivotGrid, options);
});
});
});
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