1 files changed, 20 insertions, 0 deletions
diff --git a/test/specs/helpers/isAxiosError.spec.js b/test/specs/helpers/isAxiosError.spec.js
new file mode 100644
index 0000000..7aeef85
--- /dev/null
+++ b/test/specs/helpers/isAxiosError.spec.js
@@ -0,0 +1,20 @@
+var createError = require('../../../lib/core/createError');
+var enhanceError = require('../../../lib/core/enhanceError');
+var isAxiosError = require('../../../lib/helpers/isAxiosError');
+
+describe('helpers::isAxiosError', function () {
+  it('should return true if the error is created by core::createError', function () {
+    expect(isAxiosError(createError('Boom!', { foo: 'bar' })))
+      .toBe(true);
+  });
+
+  it('should return true if the error is enhanced by core::enhanceError', function () {
+    expect(isAxiosError(enhanceError(new Error('Boom!'), { foo: 'bar' })))
+      .toBe(true);
+  });
+
+  it('should return false if the error is a normal Error instance', function () {
+    expect(isAxiosError(new Error('Boom!')))
+      .toBe(false);
+  });
+});