Add tests for catching errors for exporter packer.pack

src/export/packer/express.spec.ts

@@ -0,0 +1,43 @@
+// tslint:disable:typedef space-before-function-paren
+// tslint:disable:no-empty
+// tslint:disable:no-any
+import { assert } from "chai";
+import { stub } from "sinon";
+
+import { ExpressPacker } from "../../export/packer/express";
+import { File, Paragraph } from "../../file";
+
+describe("LocalPacker", () => {
+    let packer: ExpressPacker;
+
+    beforeEach(() => {
+        const file = new File({
+            creator: "Dolan Miu",
+            revision: "1",
+            lastModifiedBy: "Dolan Miu",
+        });
+        const paragraph = new Paragraph("test text");
+        const heading = new Paragraph("Hello world").heading1();
+        file.addParagraph(new Paragraph("title").title());
+        file.addParagraph(heading);
+        file.addParagraph(new Paragraph("heading 2").heading2());
+        file.addParagraph(paragraph);
+
+        const expressResMock = {
+            on: () => {},
+            attachment: () => {},
+        };
+
+        packer = new ExpressPacker(file, expressResMock as any);
+    });
+
+    describe("#pack()", () => {
+        it("should handle exception if it throws any", () => {
+            const compiler = stub((packer as any).packer, "compile");
+            compiler.throwsException();
+            return packer.pack("build/tests/test").catch((error) => {
+                assert.isDefined(error);
+            });
+        });
+    });
+});