dpkg multipackage and bonus fixes

- multipackages dpkg_package
- fixes edge conditions in load-current-resource around purging/removing
  packages that threw errors before
- fixes the ability to purge packages that have been removed
- adds a lot of functional tests for dpkg_package

2 files changed, 43 insertions, 50 deletions

diff --git a/spec/unit/provider/package/dpkg_spec.rb b/spec/unit/provider/package/dpkg_spec.rb
index 2ded8313c0..15b2903a0e 100644
--- a/spec/unit/provider/package/dpkg_spec.rb
+++ b/spec/unit/provider/package/dpkg_spec.rb
@@ -1,4 +1,3 @@
-#
 # Author:: Bryan McLellan (btm@loftninjas.org)
 # Copyright:: Copyright (c) 2009 Bryan McLellan
 # License:: Apache License, Version 2.0
@@ -25,7 +24,7 @@ describe Chef::Provider::Package::Dpkg do
   let(:package) { "wget" }
   let(:source) { "/tmp/wget_1.11.4-1ubuntu1_amd64.deb" }
   let(:new_resource) do
-    new_resource = Chef::Resource::Package.new(package)
+    new_resource = Chef::Resource::DpkgPackage.new(package)
     new_resource.source source
     new_resource
   end
@@ -52,8 +51,8 @@ Conflicts: wget-ssl
   end
 
   before(:each) do
-    allow(provider).to receive(:shell_out!).with("dpkg-deb -W #{new_resource.source}", timeout: 900).and_return(dpkg_deb_status)
-    allow(provider).to receive(:shell_out).with("dpkg -s #{package}", timeout: 900).and_return(dpkg_s_status)
+    allow(provider).to receive(:shell_out!).with("dpkg-deb -W #{source}", timeout: 900).and_return(dpkg_deb_status)
+    allow(provider).to receive(:shell_out).with("dpkg -s #{package}", timeout: 900).and_return(double(stdout: "", exitstatus: -1))
     allow(::File).to receive(:exist?).with(source).and_return(true)
   end
 
@@ -112,16 +111,16 @@ Conflicts: wget-ssl
 
     it "should create a current resource with the name of the new_resource" do
       provider.load_current_resource
-      expect(provider.current_resource.package_name).to eq("wget")
+      expect(provider.current_resource.package_name).to eq(["wget"])
     end
 
     describe 'gets the source package version from dpkg-deb' do
       def check_version(version)
         status = double(:stdout => "wget\t#{version}", :exitstatus => 0)
-        expect(provider).to receive(:shell_out!).with("dpkg-deb -W #{new_resource.source}", timeout: 900).and_return(status)
+        expect(provider).to receive(:shell_out!).with("dpkg-deb -W #{source}", timeout: 900).and_return(status)
         provider.load_current_resource
-        expect(provider.current_resource.package_name).to eq("wget")
-        expect(provider.candidate_version).to eq(version)
+        expect(provider.current_resource.package_name).to eq(["wget"])
+        expect(provider.candidate_version).to eq([version])
       end
 
       it 'if short version provided' do
@@ -146,7 +145,7 @@ Conflicts: wget-ssl
 
       it "gets the source package name from dpkg-deb correctly" do
         provider.load_current_resource
-        expect(provider.current_resource.package_name).to eq("f.o.o-pkg++2")
+        expect(provider.current_resource.package_name).to eq(["f.o.o-pkg++2"])
       end
     end
 
@@ -157,21 +156,22 @@ Conflicts: wget-ssl
 
       it "gets the source package version from dpkg-deb correctly when the package version has `~', `-', `+' or `.' characters" do
         provider.load_current_resource
-        expect(provider.candidate_version).to eq('1.2.3+3141592-1ubuntu1~lucid')
+        expect(provider.candidate_version).to eq(['1.2.3+3141592-1ubuntu1~lucid'])
       end
     end
 
-    it "should raise an exception if the source is not set but we are installing" do
-      new_resource = Chef::Resource::Package.new("wget")
-      provider.new_resource = new_resource
-      provider.load_current_resource
-      provider.define_resource_requirements
-      expect { provider.run_action(:install)}.to raise_error(Chef::Exceptions::Package)
+    describe "when the source is not set" do
+      let(:source) { nil }
+
+      it "should raise an exception if the source is not set but we are installing" do
+        expect { provider.run_action(:install)}.to raise_error(Chef::Exceptions::Package)
+      end
     end
 
     it "should return the current version installed if found by dpkg" do
+      allow(provider).to receive(:shell_out).with("dpkg -s #{package}", timeout: 900).and_return(dpkg_s_status)
       provider.load_current_resource
-      expect(provider.current_resource.version).to eq("1.11.4-1ubuntu1")
+      expect(provider.current_resource.version).to eq(["1.11.4-1ubuntu1"])
     end
 
     it "should raise an exception if dpkg fails to run" do
@@ -184,72 +184,73 @@ Conflicts: wget-ssl
   describe Chef::Provider::Package::Dpkg, "install and upgrade" do
     it "should run dpkg -i with the package source" do
       expect(provider).to receive(:run_noninteractive).with(
-        "dpkg -i /tmp/wget_1.11.4-1ubuntu1_amd64.deb"
+        "dpkg -i", nil, "/tmp/wget_1.11.4-1ubuntu1_amd64.deb"
       )
-      provider.install_package("wget", "1.11.4-1ubuntu1")
+      provider.load_current_resource
+      provider.run_action(:install)
     end
 
     it "should run dpkg -i if the package is a path and the source is nil" do
-      new_resource.name = "/tmp/wget_1.11.4-1ubuntu1_amd64.deb"
+      new_resource.name "/tmp/wget_1.11.4-1ubuntu1_amd64.deb"
       expect(provider).to receive(:run_noninteractive).with(
-        "dpkg -i /tmp/wget_1.11.4-1ubuntu1_amd64.deb"
+        "dpkg -i", nil, "/tmp/wget_1.11.4-1ubuntu1_amd64.deb"
       )
-      provider.install_package("/tmp/wget_1.11.4-1ubuntu1_amd64.deb", "1.11.4-1ubuntu1")
+      provider.run_action(:install)
     end
 
     it "should run dpkg -i if the package is a path and the source is nil for an upgrade" do
-      new_resource.name = "/tmp/wget_1.11.4-1ubuntu1_amd64.deb"
+      new_resource.name "/tmp/wget_1.11.4-1ubuntu1_amd64.deb"
       expect(provider).to receive(:run_noninteractive).with(
-        "dpkg -i /tmp/wget_1.11.4-1ubuntu1_amd64.deb"
+        "dpkg -i", nil, "/tmp/wget_1.11.4-1ubuntu1_amd64.deb"
       )
-      provider.upgrade_package("/tmp/wget_1.11.4-1ubuntu1_amd64.deb", "1.11.4-1ubuntu1")
+      provider.run_action(:upgrade)
     end
 
     it "should run dpkg -i with the package source and options if specified" do
+      new_resource.options "--force-yes"
       expect(provider).to receive(:run_noninteractive).with(
-        "dpkg -i --force-yes /tmp/wget_1.11.4-1ubuntu1_amd64.deb"
+        "dpkg -i", "--force-yes", "/tmp/wget_1.11.4-1ubuntu1_amd64.deb"
       )
-      allow(new_resource).to receive(:options).and_return("--force-yes")
-
-      provider.install_package("wget", "1.11.4-1ubuntu1")
+      provider.run_action(:install)
     end
+
     it "should upgrade by running install_package" do
-      expect(provider).to receive(:install_package).with("wget", "1.11.4-1ubuntu1")
-      provider.upgrade_package("wget", "1.11.4-1ubuntu1")
+      expect(provider).to receive(:install_package).with(["wget"], ["1.11.4-1ubuntu1"])
+      provider.upgrade_package(["wget"], ["1.11.4-1ubuntu1"])
     end
   end
 
   describe Chef::Provider::Package::Dpkg, "remove and purge" do
     it "should run dpkg -r to remove the package" do
       expect(provider).to receive(:run_noninteractive).with(
-        "dpkg -r wget"
+        "dpkg -r", nil, "wget"
       )
-      provider.remove_package("wget", "1.11.4-1ubuntu1")
+      provider.remove_package(["wget"], ["1.11.4-1ubuntu1"])
     end
 
     it "should run dpkg -r to remove the package with options if specified" do
       expect(provider).to receive(:run_noninteractive).with(
-        "dpkg -r --force-yes wget"
+        "dpkg -r", "--force-yes", "wget"
       )
       allow(new_resource).to receive(:options).and_return("--force-yes")
 
-      provider.remove_package("wget", "1.11.4-1ubuntu1")
+      provider.remove_package(["wget"], ["1.11.4-1ubuntu1"])
     end
 
     it "should run dpkg -P to purge the package" do
       expect(provider).to receive(:run_noninteractive).with(
-        "dpkg -P wget"
+        "dpkg -P", nil, "wget"
       )
-      provider.purge_package("wget", "1.11.4-1ubuntu1")
+      provider.purge_package(["wget"], ["1.11.4-1ubuntu1"])
     end
 
     it "should run dpkg -P to purge the package with options if specified" do
       expect(provider).to receive(:run_noninteractive).with(
-        "dpkg -P --force-yes wget"
+        "dpkg -P", "--force-yes", "wget"
       )
       allow(new_resource).to receive(:options).and_return("--force-yes")
 
-      provider.purge_package("wget", "1.11.4-1ubuntu1")
+      provider.purge_package(["wget"], ["1.11.4-1ubuntu1"])
     end
   end
 end
diff --git a/spec/unit/provider/package_spec.rb b/spec/unit/provider/package_spec.rb
index 9e4384820a..d8f669e6a4 100644
--- a/spec/unit/provider/package_spec.rb
+++ b/spec/unit/provider/package_spec.rb
@@ -453,17 +453,9 @@ describe "Subclass with use_multipackage_api" do
     provider
   end
 
-  it "should have supports_arrays class accessor" do
-    expect(MyPackageProvider.supports_arrays).to be true
-    MyPackageProvider.supports_arrays = false
-    expect(MyPackageProvider.supports_arrays).to be false
-    # class variables are global state, so better set it back...
-    MyPackageProvider.supports_arrays = true
-  end
-
-  it "has supports_arrays? methods on the class and instance" do
-    expect(MyPackageProvider.supports_arrays?).to be true
-    expect(provider.supports_arrays?).to be true
+  it "has use_multipackage_api? methods on the class and instance" do
+    expect(MyPackageProvider.use_multipackage_api?).to be true
+    expect(provider.use_multipackage_api?).to be true
   end
 
   it "when user passes string to package_name, passes arrays to install_package" do