Test invalid exception message

dry-rb · Dec 14, 2019 · 1af5729 · 1af5729
1 parent 954a1c2
commit 1af5729
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/spec/dry/types/errors_spec.rb b/spec/dry/types/errors_spec.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+RSpec.describe 'dry types errors' do
+  describe Dry::Types::CoercionError do
+    it 'requires a string message' do
+      expect {
+        described_class.new(:invalid)
+      }.to raise_error(ArgumentError, /message must be a string/)
+    end
+  end
+end