STL file viewer

1 files changed, 42 insertions, 0 deletions

diff --git a/spec/javascripts/blob/3d_viewer/mesh_object_spec.js b/spec/javascripts/blob/3d_viewer/mesh_object_spec.js
new file mode 100644
index 00000000000..d1ebae33dab
--- /dev/null
+++ b/spec/javascripts/blob/3d_viewer/mesh_object_spec.js
@@ -0,0 +1,42 @@
+import {
+  BoxGeometry,
+} from 'three/build/three.module';
+import MeshObject from '~/blob/3d_viewer/mesh_object';
+
+describe('Mesh object', () => {
+  it('defaults to non-wireframe material', () => {
+    const object = new MeshObject(
+      new BoxGeometry(10, 10, 10),
+    );
+
+    expect(object.material.wireframe).toBeFalsy();
+  });
+
+  it('changes to wirefame material', () => {
+    const object = new MeshObject(
+      new BoxGeometry(10, 10, 10),
+    );
+
+    object.changeMaterial('wireframe');
+
+    expect(object.material.wireframe).toBeTruthy();
+  });
+
+  it('scales object down', () => {
+    const object = new MeshObject(
+      new BoxGeometry(10, 10, 10),
+    );
+    const radius = object.geometry.boundingSphere.radius;
+
+    expect(radius).not.toBeGreaterThan(4);
+  });
+
+  it('does not scale object down', () => {
+    const object = new MeshObject(
+      new BoxGeometry(1, 1, 1),
+    );
+    const radius = object.geometry.boundingSphere.radius;
+
+    expect(radius).toBeLessThan(1);
+  });
+});