Add report.print() to invoke window.print() on embedded iframe. (microsoft#32)

Author: mattmazzola

src/report.ts

@@ -160,6 +160,20 @@ export class Report extends embed.Embed implements IReportNode, IFilterable {
     return new Page(this, name, displayName);
   }
 
+  /**
+   * Print the active page of the report.
+   * (Invokes window.print() on embed iframe)
+   */
+  print(): Promise<void> {
+    return this.service.hpm.post<models.IError[]>('/report/print', null, { uid: this.config.uniqueId }, this.iframe.contentWindow)
+      .then(response => {
+        return response.body;
+      })
+      .catch(response => {
+        throw response.body;
+      });
+  }
+
   /**
    * Remove all filters at report level
    * 

test/test.spec.ts

@@ -1017,6 +1017,26 @@ describe('Protocol', function () {
       });
     });
 
+    describe('print', function () {
+      it('POST /report/print returns 202 if the request is valid', function (done) {
+        // Arrange
+        iframeLoaded
+          .then(() => {
+            spyApp.print.and.returnValue(Promise.resolve(null));
+            // Act
+            hpm.post<void>('/report/print', null)
+              .then(response => {
+                // Assert
+                expect(spyApp.print).toHaveBeenCalled();
+                expect(response.statusCode).toEqual(202);
+                // Cleanup
+                spyApp.print.calls.reset();
+                done();
+              });
+          });
+      });
+    });
+
     describe('filters (report level)', function () {
       it('GET /report/filters returns 200 with body as array of filters', function (done) {
         // Arrange
@@ -2026,6 +2046,36 @@ describe('SDK-to-HPM', function () {
       });
     });
 
+    describe('print', function () {
+      it('report.print() sends POST /report/print', function () {
+        // Arrange
+        spyHpm.post.and.returnValue(Promise.resolve({
+          body: {}
+        }));
+
+        // Act
+        report.print();
+
+        // Assert
+        expect(spyHpm.post).toHaveBeenCalledWith('/report/print', null, { uid: uniqueId }, iframe.contentWindow);
+      });
+
+      it('report.print() returns promise that resolves if the request is accepted', function (done) {
+        // Arrange
+        spyHpm.post.and.returnValue(Promise.resolve({
+          body: {}
+        }));
+
+        // Act
+        report.print()
+          .then(() => {
+            // Assert
+            expect(spyHpm.post).toHaveBeenCalledWith('/report/print', null, { uid: uniqueId }, iframe.contentWindow);
+            done();
+          });
+      });
+    });
+
     describe('settings', function () {
       it('report.updateSettings(settings) sends PATCH /report/settings with settings object', function () {
         // Arrange
@@ -3064,6 +3114,24 @@ describe('SDK-to-MockApp', function () {
       });
     });
 
+    describe('print', function () {
+      it('report.print() returns promise that resolves with null if the report print command was accepted', function (done) {
+        // Arrange
+        iframeLoaded
+          .then(() => {
+            spyApp.print.and.returnValue(Promise.resolve(null));
+            // Act
+            report.print()
+              .then(response => {
+                // Assert
+                expect(spyApp.print).toHaveBeenCalled();
+                expect(response).toEqual(undefined);
+                done();
+              });
+          });
+      });
+    });
+
     describe('settings', function () {
       it('report.updateSettings(setting) returns promise that rejects with validation error if object is invalid', function (done) {
         // Arrange

test/utility/mockApp.ts

@@ -19,6 +19,7 @@ export interface IApp {
   setFilters(filters: (models.IBasicFilter | models.IAdvancedFilter)[]): Promise<void>;
   validateFilter(filter: models.IFilter): Promise<models.IError[]>;
   // Other
+  print(): Promise<void>;
   exportData(): Promise<void>;
 }
 
@@ -41,6 +42,7 @@ export const mockAppSpyObj = {
   setFilters: jasmine.createSpy("setFilters").and.returnValue(Promise.resolve(null)),
   validateFilter: jasmine.createSpy("validateFilter").and.callFake(models.validateFilter),
   // Other
+  print: jasmine.createSpy("print").and.returnValue(Promise.resolve(null)),
   exportData: jasmine.createSpy("exportData").and.returnValue(Promise.resolve(null)),
 
   reset() {
@@ -56,7 +58,8 @@ export const mockAppSpyObj = {
     mockAppSpyObj.getFilters.calls.reset();
     mockAppSpyObj.setFilters.calls.reset();
     mockAppSpyObj.validateFilter.calls.reset();
-
+    mockAppSpyObj.print.calls.reset();
+    mockAppSpyObj.exportData.calls.reset();
   }
 };
 

test/utility/mockReportEmbed.ts

@@ -296,5 +296,10 @@ export function setupMockApp(iframeContentWindow: Window, parentWindow: Window,
       });
   });
 
+  router.post('/report/print', (req, res) => {
+    app.print();
+    res.send(202);
+  });
+
   return hpm;
 }