4 files changed, 37 insertions, 12 deletions

diff --git a/lib/chef/resource/cab_package.rb b/lib/chef/resource/cab_package.rb
index 73e639814d..fcf3f02b86 100644
--- a/lib/chef/resource/cab_package.rb
+++ b/lib/chef/resource/cab_package.rb
@@ -34,7 +34,8 @@ class Chef
                   unless s.nil?
                     uri_scheme?(s) ? s : Chef::Util::PathHelper.canonical_path(s, false)
                   end
-                end)
+                end),
+                default: lazy { |r| r.package_name }
     end
   end
 end
diff --git a/lib/chef/resource/msu_package.rb b/lib/chef/resource/msu_package.rb
index 65959c5621..93c8fbbe21 100644
--- a/lib/chef/resource/msu_package.rb
+++ b/lib/chef/resource/msu_package.rb
@@ -31,12 +31,12 @@ class Chef
       default_action :install
 
       property :source, String,
-                name_property: true,
                 coerce: (proc do |s|
                   unless s.nil?
                     uri_scheme?(s) ? s : Chef::Util::PathHelper.canonical_path(s, false)
                   end
-                end)
+                end),
+                default: lazy { |r| r.package_name }
       property :checksum, String, desired_state: false
     end
   end
diff --git a/spec/unit/resource/cab_package_spec.rb b/spec/unit/resource/cab_package_spec.rb
index aa4890f171..38b9322958 100644
--- a/spec/unit/resource/cab_package_spec.rb
+++ b/spec/unit/resource/cab_package_spec.rb
@@ -32,7 +32,25 @@ describe Chef::Resource::CabPackage do
     expect(resource.resource_name).to eql(:cab_package)
   end
 
-  it "coerce its name to a package_name" do
+  it "sets the default action as :install" do
+    expect(resource.action).to eql([:install])
+  end
+
+  it "coerces name property to package_name property" do
     expect(resource.package_name).to eql("test_pkg")
   end
+
+  it "coerces name property to a source property if source not provided" do
+    expect(resource.source).to end_with("test_pkg")
+  end
+
+  it "coerces name property to a source property if source not provided and package_name is" do
+    resource.package_name("package.cab")
+    expect(resource.source).to end_with("package.cab")
+  end
+
+  it "coerces source property if it does not looks like a path" do
+    resource.source("package.cab")
+    expect(resource.source).not_to eq("package.cab")
+  end
 end
diff --git a/spec/unit/resource/msu_package_spec.rb b/spec/unit/resource/msu_package_spec.rb
index 66aacbc020..8b4926798a 100644
--- a/spec/unit/resource/msu_package_spec.rb
+++ b/spec/unit/resource/msu_package_spec.rb
@@ -31,19 +31,25 @@ describe Chef::Resource::MsuPackage do
     expect(resource.resource_name).to eql(:msu_package)
   end
 
-  it "sets the source as its name and then coerces it to a path" do
-    expect(resource.source).to end_with("test_pkg")
-  end
-
   it "sets the default action as :install" do
     expect(resource.action).to eql([:install])
   end
 
-  it "raises error if invalid action is given" do
-    expect { resource.action :abc }.to raise_error(Chef::Exceptions::ValidationFailed)
+  it "coerces name property to package_name property" do
+    expect(resource.package_name).to eql("test_pkg")
   end
 
-  it "coerce its name to a package_name" do
-    expect(resource.package_name).to eql("test_pkg")
+  it "coerces name property to a source property if source not provided" do
+    expect(resource.source).to end_with("test_pkg")
+  end
+
+  it "coerces name property to a source property if source not provided and package_name is" do
+    resource.package_name("package.msu")
+    expect(resource.source).to end_with("package.msu")
+  end
+
+  it "coerces source property if it does not looks like a path" do
+    resource.source("package.msu")
+    expect(resource.source).not_to eq("package.msu")
   end
 end