spec/backend/exec/build_command_spec.rb in specinfra-2.59.0 vs spec/backend/exec/build_command_spec.rb in specinfra-2.59.1

@@ -1,8 +1,12 @@
 require 'spec_helper'
 
 describe Specinfra::Backend::Exec do
+  before :all do
+    set :backend, :exec
+  end
+
   describe '#build_command' do
     context 'with simple command' do
       it 'should escape spaces' do
         expect(Specinfra.backend.build_command('test -f /etc/passwd')).to eq '/bin/sh -c test\ -f\ /etc/passwd'
       end
@@ -105,17 +109,17 @@
 end
 
 describe 'os' do
   before do
     # clear os information cache
-    property[:os_by_host] = {}
+    property[:os] = nil
+    Specinfra.configuration.instance_variable_set(:@os, nil)
   end
 
   context 'test ubuntu with lsb_release command' do
-    subject { os }
-    it do
-      expect(Specinfra.backend).to receive(:run_command).at_least(1).times do |args|
+    before do
+      allow(Specinfra.backend).to receive(:run_command) do |args|
         if ['ls /etc/debian_version', 'lsb_release -ir'].include? args
           double(
             :run_command_response,
             :success? => true,
             :stdout => "Distributor ID:\tUbuntu\nRelease:\t12.04\n"
@@ -124,21 +128,21 @@
           double :run_command_response, :success? => true, :stdout => "x86_64\n"
         else
           double :run_command_response, :success? => false, :stdout => nil
         end
       end
+    end
+    subject! { os }
+    it do
+      expect(Specinfra.backend).to have_received(:run_command).at_least(1).times
       should eq({:family => 'ubuntu', :release => '12.04', :arch => 'x86_64' })
     end
   end
 
   context 'test ubuntu with /etc/lsb-release' do
     before do
-      property[:os] = nil
-    end
-    subject { os }
-    it do
-      expect(Specinfra.backend).to receive(:run_command).at_least(1).times do |args|
+      allow(Specinfra.backend).to receive(:run_command) do |args|
         if ['ls /etc/debian_version', 'cat /etc/lsb-release'].include? args
           double(
             :run_command_response,
             :success? => true,
             :stdout => <<-EOF
@@ -152,28 +156,32 @@
           double :run_command_response, :success? => true, :stdout => "x86_64\n"
         else
           double :run_command_response, :success? => false, :stdout => nil
         end
       end
+    end
+    subject! { os }
+    it do
+      expect(Specinfra.backend).to have_received(:run_command).at_least(1).times
       should eq({:family => 'ubuntu', :release => '12.04', :arch => 'x86_64' })
     end
   end
 
   context 'test debian (no lsb_release or lsb-release)' do
     before do
-      property[:os] = nil
-    end
-    subject { os }
-    it do
-      expect(Specinfra.backend).to receive(:run_command).at_least(1).times do |args|
+      allow(Specinfra.backend).to receive(:run_command) do |args|
         if args == 'ls /etc/debian_version'
           double :run_command_response, :success? => true, :stdout => nil
         elsif args == 'uname -m'
           double :run_command_response, :success? => true, :stdout => "x86_64\n"
         else
           double :run_command_response, :success? => false, :stdout => nil
         end
       end
+    end
+    subject! { os }
+    it do
+      expect(Specinfra.backend).to have_received(:run_command).at_least(1).times
       should eq({:family => 'debian', :release => nil, :arch => 'x86_64' })
     end
   end
 end