Merge branch 'copilot/add-pdf-export-feature' of https://github.com/IgniteUI/igniteui-angular into copilot/add-pdf-export-feature

Author: kdinev

projects/igniteui-angular/ng-package.json

@@ -9,6 +9,7 @@
     "@types/hammerjs",
     "hammerjs",
     "fflate",
+    "jspdf",
     "igniteui-trial-watermark",
     "lodash-es",
     "@igniteui/material-icons-extended",

projects/igniteui-angular/ng-package.prod.json

@@ -8,6 +8,7 @@
     "@types/hammerjs",
     "hammerjs",
     "fflate",
+    "jspdf",
     "igniteui-trial-watermark",
     "lodash-es",
     "@igniteui/material-icons-extended",

projects/igniteui-angular/package.json

@@ -40,6 +40,7 @@
         "drag drop",
         "drop down",
         "excel export",
+        "pdf export",
         "expansion panel",
         "grid",
         "hierarchical grid",

projects/igniteui-angular/src/lib/services/pdf/pdf-exporter-grid.spec.ts

@@ -0,0 +1,93 @@
+import { TestBed, waitForAsync } from '@angular/core/testing';
+import { IgxGridComponent } from '../../grids/grid/grid.component';
+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';
+
+describe('PDF Grid Exporter', () => {
+    let exporter: IgxPdfExporterService;
+    let options: IgxPdfExporterOptions;
+
+    beforeEach(waitForAsync(() => {
+        TestBed.configureTestingModule({
+            imports: [
+                NoopAnimationsModule,
+                GridIDNameJobTitleComponent
+            ]
+        }).compileComponents();
+    }));
+
+    beforeEach(() => {
+        exporter = new IgxPdfExporterService();
+        options = new IgxPdfExporterOptions('PdfGridExport');
+
+        // Spy the saveBlobToFile method so the files are not really created
+        spyOn(ExportUtilities as any, 'saveBlobToFile');
+    });
+
+    it('should export grid as displayed.', (done) => {
+        const fix = TestBed.createComponent(GridIDNameJobTitleComponent);
+        fix.detectChanges();
+
+        const grid = fix.componentInstance.grid;
+        
+        exporter.exportEnded.pipe(first()).subscribe(() => {
+            expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
+            done();
+        });
+
+        exporter.export(grid, options);
+    });
+
+    it('should export grid with custom page orientation', (done) => {
+        const fix = TestBed.createComponent(GridIDNameJobTitleComponent);
+        fix.detectChanges();
+
+        const grid = fix.componentInstance.grid;
+        options.pageOrientation = 'landscape';
+        
+        exporter.exportEnded.pipe(first()).subscribe(() => {
+            expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
+            done();
+        });
+
+        exporter.export(grid, options);
+    });
+
+    it('should honor ignoreColumnsVisibility option', (done) => {
+        const fix = TestBed.createComponent(GridIDNameJobTitleComponent);
+        fix.detectChanges();
+
+        const grid = fix.componentInstance.grid;
+        grid.columnList.get(0).hidden = true;
+        options.ignoreColumnsVisibility = false;
+
+        fix.detectChanges();
+        
+        exporter.exportEnded.pipe(first()).subscribe(() => {
+            expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
+            done();
+        });
+
+        exporter.export(grid, options);
+    });
+
+    it('should handle empty grid', (done) => {
+        const fix = TestBed.createComponent(GridIDNameJobTitleComponent);
+        fix.detectChanges();
+
+        const grid = fix.componentInstance.grid;
+        grid.data = [];
+        fix.detectChanges();
+        
+        exporter.exportEnded.pipe(first()).subscribe(() => {
+            expect(ExportUtilities.saveBlobToFile).toHaveBeenCalledTimes(1);
+            done();
+        });
+
+        exporter.export(grid, options);
+    });
+});