diff --git a/src/app/cartography/shared/helpers/svg-to-drawing-converter/ellipse-converter.spec.ts b/src/app/cartography/shared/helpers/svg-to-drawing-converter/ellipse-converter.spec.ts
index 5af1f29d..879f88fa 100644
--- a/src/app/cartography/shared/helpers/svg-to-drawing-converter/ellipse-converter.spec.ts
+++ b/src/app/cartography/shared/helpers/svg-to-drawing-converter/ellipse-converter.spec.ts
@@ -32,4 +32,18 @@ describe('EllipseConverter', () => {
     expect(drawing.ry).toEqual(59);
   });
 
+  it('should parse with no attributes', () => {
+    const node = document.createElement("ellipse");
+
+    const drawing = ellipseConverter.convert(node);
+    expect(drawing.fill).toBeUndefined();
+    expect(drawing.fill_opacity).toBeUndefined();
+    expect(drawing.stroke).toBeUndefined();
+    expect(drawing.stroke_width).toBeUndefined();
+    expect(drawing.stroke_dasharray).toBeUndefined();
+    expect(drawing.cx).toBeUndefined();
+    expect(drawing.cy).toBeUndefined();
+    expect(drawing.rx).toBeUndefined();
+    expect(drawing.ry).toBeUndefined();
+  });
 });
diff --git a/src/app/cartography/shared/helpers/svg-to-drawing-converter/image-converter.spec.ts b/src/app/cartography/shared/helpers/svg-to-drawing-converter/image-converter.spec.ts
index a812c868..f2468644 100644
--- a/src/app/cartography/shared/helpers/svg-to-drawing-converter/image-converter.spec.ts
+++ b/src/app/cartography/shared/helpers/svg-to-drawing-converter/image-converter.spec.ts
@@ -20,4 +20,12 @@ describe('ImageConverter', () => {
     expect(drawing.height).toEqual(200);
   });
 
+  it('should parse with no attributes', () => {
+    const node = document.createElement("image");
+
+    const drawing = imageConverter.convert(node);
+    expect(drawing.data).toBeUndefined();
+    expect(drawing.width).toBeUndefined();
+    expect(drawing.height).toBeUndefined();
+  });
 });
diff --git a/src/app/cartography/shared/helpers/svg-to-drawing-converter/line-converter.spec.ts b/src/app/cartography/shared/helpers/svg-to-drawing-converter/line-converter.spec.ts
index 47bdb643..41ed6a36 100644
--- a/src/app/cartography/shared/helpers/svg-to-drawing-converter/line-converter.spec.ts
+++ b/src/app/cartography/shared/helpers/svg-to-drawing-converter/line-converter.spec.ts
@@ -28,4 +28,17 @@ describe('LineConverter', () => {
     expect(drawing.y2).toEqual(40);
   });
 
+  it('should parse with no attributes', () => {
+    const node = document.createElement("line");
+
+    const drawing = lineConverter.convert(node);
+    expect(drawing.stroke).toBeUndefined();
+    expect(drawing.stroke_width).toBeUndefined();
+    expect(drawing.stroke_dasharray).toBeUndefined();
+    expect(drawing.x1).toBeUndefined();
+    expect(drawing.x2).toBeUndefined();
+    expect(drawing.y1).toBeUndefined();
+    expect(drawing.y2).toBeUndefined();
+  });
+
 });
diff --git a/src/app/cartography/shared/helpers/svg-to-drawing-converter/rect-converter.spec.ts b/src/app/cartography/shared/helpers/svg-to-drawing-converter/rect-converter.spec.ts
index 83408307..0ed5707f 100644
--- a/src/app/cartography/shared/helpers/svg-to-drawing-converter/rect-converter.spec.ts
+++ b/src/app/cartography/shared/helpers/svg-to-drawing-converter/rect-converter.spec.ts
@@ -28,4 +28,15 @@ describe('RectConverter', () => {
     expect(drawing.height).toEqual(200);
   });
 
+  it('should parse with no attributes', () => {
+    const node = document.createElement("rect");
+
+    const drawing = rectConverter.convert(node);
+    expect(drawing.fill).toBeUndefined();
+    expect(drawing.fill_opacity).toBeUndefined();
+    expect(drawing.stroke).toBeUndefined();
+    expect(drawing.stroke_dasharray).toBeUndefined();
+    expect(drawing.width).toBeUndefined();
+    expect(drawing.height).toBeUndefined();
+  });
 });
diff --git a/src/app/cartography/shared/helpers/svg-to-drawing-converter/text-converter.spec.ts b/src/app/cartography/shared/helpers/svg-to-drawing-converter/text-converter.spec.ts
index 860b4016..bbbe84d4 100644
--- a/src/app/cartography/shared/helpers/svg-to-drawing-converter/text-converter.spec.ts
+++ b/src/app/cartography/shared/helpers/svg-to-drawing-converter/text-converter.spec.ts
@@ -28,4 +28,16 @@ describe('TextConverter', () => {
     expect(drawing.text_decoration).toEqual("line-through");
   });
 
+  it('should parse with no attributes', () => {
+    const node = document.createElement("text");
+
+    const drawing = textConverter.convert(node);
+    expect(drawing.text).toEqual("");
+    expect(drawing.fill).toBeUndefined();
+    expect(drawing.fill_opacity).toBeUndefined();
+    expect(drawing.font_family).toBeUndefined();
+    expect(drawing.font_size).toBeUndefined();
+    expect(drawing.font_weight).toBeUndefined();
+    expect(drawing.text_decoration).toBeUndefined();
+  });
 });