Refactor to separate classes in their specific files an tests improuvements for styles

src/file/styles/style/style.spec.ts

@@ -0,0 +1,36 @@
+import { expect } from "chai";
+import { Formatter } from "export/formatter";
+import { Style } from "./style";
+
+describe("Style", () => {
+    describe("#constructor()", () => {
+        it("should set the given properties", () => {
+            const style = new Style({
+                type: "paragraph",
+                styleId: "myStyleId",
+                default: true,
+            });
+            const tree = new Formatter().format(style);
+            expect(tree).to.deep.equal({
+                "w:style": [{ _attr: { "w:type": "paragraph", "w:styleId": "myStyleId", "w:default": true } }],
+            });
+        });
+
+        it("should set the name of the style, if given", () => {
+            const style = new Style(
+                {
+                    type: "paragraph",
+                    styleId: "myStyleId",
+                },
+                "Style Name",
+            );
+            const tree = new Formatter().format(style);
+            expect(tree).to.deep.equal({
+                "w:style": [
+                    { _attr: { "w:type": "paragraph", "w:styleId": "myStyleId" } },
+                    { "w:name": [{ _attr: { "w:val": "Style Name" } }] },
+                ],
+            });
+        });
+    });
+});