diff --git a/test/index.test.js b/test/index.test.js
index 9b428a7..b8934b0 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -29,3 +29,16 @@ test('Non-existent folder should reject promise with error', () => {
 test('Folder with incorrect number of layers should reject promise with error', () => {
   return expect(fileProc.getLayers2(emptyFolder)).rejects.toThrow('Layer not found.');
 });
+
+// extractArchive
+test('Non-existent archive should throw an error', () => {
+  return expect(fileProc.extractArchive('invalid.zip', tmpDir)).rejects.toThrow(Error);
+});
+
+test('Temp dir not existing should throw an error', () => {
+  return expect(fileProc.extractArchive(testGerber, './invalid_dir')).rejects.toThrow(Error);
+});
+
+test('Should extract archive and resolve with the number of files extracted', () => {
+  return expect(fileProc.extractArchive(testGerber, tmpDir)).resolves.toBe(12);
+});
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