Simplified .wrap method, added for Botan

spec/support/examples/initializers.rb

@@ -0,0 +1,65 @@
+RSpec.shared_examples 'initializers' do |config_method = :bots|
+  describe '.wrap' do
+    subject { described_class.wrap(input, **options) }
+    let(:options) { {} }
+    let(:result) { double(:result) }
+    let(:username) { 'username' }
+
+    context 'when input is a string' do
+      let(:input) { token }
+
+      it 'treats string as token' do
+        expect(described_class).to receive(:new).with(token, {}) { result }
+        should eq result
+      end
+
+      context 'and additional options are given' do
+        let(:options) { {id: :test} }
+
+        it 'passes them to initializer' do
+          expect(described_class).to receive(:new).with(input, **options) { result }
+          should eq result
+        end
+      end
+    end
+
+    context 'when input is a hash' do
+      let(:input) { {token: token, 'username' => username, other: :options} }
+
+      it 'passes it with symbolized keys' do
+        expect(described_class).to receive(:new).with(**input.symbolize_keys) { result }
+        should eq result
+      end
+
+      context 'and additional options are given' do
+        let(:options) { {id: :test} }
+
+        it 'passes them to initializer' do
+          expect(described_class).to receive(:new).
+            with(**input.symbolize_keys, **options) { result }
+          should eq result
+        end
+      end
+    end
+
+    context 'when input is an instance of described_class' do
+      let!(:input) { instance }
+
+      it 'returns input' do
+        expect(described_class).to_not receive(:new)
+        should eq input
+      end
+    end
+
+    context 'when input is a Symbol' do
+      let(:input) { :client_1 }
+      before { allow(Telegram).to receive(config_method) { {client_1: instance} } }
+      it { should eq Telegram.send(config_method)[:client_1] }
+
+      context 'and there is no such bot' do
+        let(:input) { :invalid }
+        it { expect { subject }.to raise_error(/not configured/) }
+      end
+    end
+  end
+end