Add runner specs (mina-deploy#685)

Author: lovro-bikic

spec/lib/mina/runner/exec_spec.rb

@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe Mina::Runner::Exec do
+ subject(:runner) { described_class.new('echo hello') }
+
+ describe '#run' do
+ before do
+ allow(Kernel).to receive(:exec)
+ expect_any_instance_of(Kernel).to receive(:exec).with('echo hello')
+ end
+
+ it 'executes the script' do
+ runner.run
+ end
+ end
+end

spec/lib/mina/runner/printer_spec.rb

@@ -0,0 +1,17 @@
+require 'spec_helper'
+
+describe Mina::Runner::Printer do
+ subject(:runner) { described_class.new('echo hello') }
+
+ describe '#run' do
+ it 'prints the script to stdout' do
+ expect do
+ runner.run
+ end.to output("echo hello\n").to_stdout
+ end
+
+ it 'returns true', :suppressed_output do
+ expect(runner.run).to eq(true)
+ end
+ end
+end

spec/lib/mina/runner/system_spec.rb

@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe Mina::Runner::System do
+ subject(:runner) { described_class.new('echo hello') }
+
+ describe '#run' do
+ before do
+ allow(Kernel).to receive(:system)
+ expect_any_instance_of(Kernel).to receive(:system).with('echo hello')
+ end
+
+ it 'executes the script' do
+ runner.run
+ end
+ end
+end

spec/spec_helper.rb

@@ -31,4 +31,13 @@
  config.after(:all, type: :rake) do
  Mina::Configuration.instance.remove :simulate
  end
+
+ config.around(:each, :suppressed_output) do |example|
+ original_stdout, $stdout = $stdout, File.open(File::NULL, 'w')
+ original_stderr, $stderr = $stderr, File.open(File::NULL, 'w')
+
+ example.run
+
+ $stdout, $stderr = original_stdout, original_stderr
+ end
 end