Extracted shared examples for StdinProcessAdapter

spec/remote_ruby/connection_adapter/local_stdin_adapter_spec.rb

@@ -1,4 +1,7 @@
+require 'support/shared_examples/stdin_process_adapter'
+
 describe ::RemoteRuby::LocalStdinAdapter do
+  include_context 'STDIN adapter'
   subject(:adapter) { described_class.new(working_dir: working_dir) }
 
   let(:working_dir) do

spec/remote_ruby/connection_adapter/ssh_stdin_adapter_spec.rb

@@ -1,4 +1,8 @@
+require 'support/shared_examples/stdin_process_adapter'
+
 describe ::RemoteRuby::SSHStdinAdapter do
+  include_context 'STDIN adapter'
+
   subject(:adapter) { described_class.new(params) }
 
   let(:working_dir) { '/var/ruby_project' }
@@ -22,54 +26,4 @@
       )
     end
   end
-
-  describe '#open' do
-    let(:code) { '1 + 1' }
-    let(:output_content) { 'output' }
-    let(:error_content) { 'error' }
-    let(:fake_stdin) { StringIO.new }
-    let(:wait_thr) { double(:wait_thr, value: value) }
-    let(:value) { double(:value, success?: success?, to_s: exit_code.to_s) }
-    let(:success?) { true }
-    let(:exit_code) { 0 }
-
-    before(:example) do
-      allow(adapter).to receive(:popen3).and_yield(
-        fake_stdin,
-        StringIO.new(output_content),
-        StringIO.new(error_content),
-        wait_thr
-      )
-    end
-
-    it 'writes code to stdin' do
-      adapter.open(code) {}
-      expect(fake_stdin.string).to eq(code)
-    end
-
-    it 'yields streams' do
-      adapter.open(code) do |stdout, stderr|
-        expect(stdout.read).to eq(output_content)
-        expect(stderr.read).to eq(error_content)
-      end
-    end
-
-    it 'calls ssh command' do
-      expect(adapter).to receive(:popen3).with(
-        "ssh -i #{key_file} #{username}@#{server} \"cd #{working_dir} && ruby\""
-      )
-      adapter.open(code) {}
-    end
-
-    context 'when process fails' do
-      let(:success?) { false }
-      let(:exit_code) { 127 }
-
-      it 'raises error' do
-        expect do
-          adapter.open(code) {}
-        end.to raise_error(RuntimeError, Regexp.new(value.to_s))
-      end
-    end
-  end
 end

spec/support/shared_examples/stdin_process_adapter.rb

@@ -0,0 +1,50 @@
+shared_context 'STDIN adapter' do
+  describe '#open' do
+    let(:code) { '1 + 1' }
+    let(:output_content) { 'output' }
+    let(:error_content) { 'error' }
+    let(:fake_stdin) { StringIO.new }
+    let(:wait_thr) { double(:wait_thr, value: value) }
+    let(:value) { double(:value, success?: success?, to_s: exit_code.to_s) }
+    let(:success?) { true }
+    let(:exit_code) { 0 }
+
+    before(:example) do
+      allow(adapter).to receive(:popen3).and_yield(
+        fake_stdin,
+        StringIO.new(output_content),
+        StringIO.new(error_content),
+        wait_thr
+      )
+    end
+
+    it 'writes code to stdin' do
+      adapter.open(code) {}
+      expect(fake_stdin.string).to eq(code)
+    end
+
+    it 'yields streams' do
+      adapter.open(code) do |stdout, stderr|
+        expect(stdout.read).to eq(output_content)
+        expect(stderr.read).to eq(error_content)
+      end
+    end
+
+    it 'calls external command' do
+      allow(adapter).to receive(:command).and_return('echo')
+      expect(adapter).to receive(:popen3).with('echo')
+      adapter.open(code) {}
+    end
+
+    context 'when process fails' do
+      let(:success?) { false }
+      let(:exit_code) { 127 }
+
+      it 'raises error' do
+        expect do
+          adapter.open(code) {}
+        end.to raise_error(RuntimeError, Regexp.new(value.to_s))
+      end
+    end
+  end
+end