spec/parsel_spec.rb in parsel-0.2.0 vs spec/parsel_spec.rb in parsel-0.3.0

@@ -13,6 +13,28 @@
   end
 
   it 'returns false when decryption fails' do
     expect(Parsel.decrypt('abc', '123')).to be_falsy
   end
+
+  it 'uses custom iv' do
+    iv = SecureRandom.hex(100)
+    encrypted = Parsel.encrypt(key, iv, 'hello')
+
+    expect(Parsel.decrypt(key, iv, encrypted)).to eq('hello')
+  end
+
+  it 'return false when decryption for custom iv fails' do
+    iv = SecureRandom.hex(100)
+    encrypted = Parsel.encrypt(key, iv, 'hello')
+
+    expect(Parsel.decrypt(key, encrypted)).to be_falsy
+  end
+
+  it 'changes global iv' do
+    iv = SecureRandom.hex(100)
+    Parsel.default_iv = iv
+    encrypted = Parsel.encrypt(key, 'hello')
+
+    expect(Parsel.decrypt(key, iv, encrypted)).to eq('hello')
+  end
 end