Chef-12 RC Provider Resolver

makes resource and provider class resolution more dynamic.
begins deprecation of Chef::Platform static mapping.

1 files changed, 155 insertions, 0 deletions

diff --git a/spec/unit/node_map_spec.rb b/spec/unit/node_map_spec.rb
new file mode 100644
index 0000000000..fe7372961b
--- /dev/null
+++ b/spec/unit/node_map_spec.rb
@@ -0,0 +1,155 @@
+#
+# Author:: Lamont Granquist (<lamont@chef.io>)
+# Copyright:: Copyright (c) 2014 Chef Software, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'spec_helper'
+require 'chef/node_map'
+
+describe Chef::NodeMap do
+
+  let(:node_map) { Chef::NodeMap.new }
+
+  let(:node) { Chef::Node.new }
+
+  describe "with a bad filter name" do
+    it "should raise an error" do
+      expect{ node_map.set(node, :thing, on_platform_family: 'rhel') }.to raise_error
+    end
+  end
+
+  describe "when no matchers are set at all" do
+    before do
+      node_map.set(:thing, :foo)
+    end
+
+    it "returns the value" do
+      expect(node_map.get(node, :thing)).to eql(:foo)
+    end
+
+    it "returns nil for keys that do not exist" do
+      expect(node_map.get(node, :other_thing)).to eql(nil)
+    end
+  end
+
+  describe "filtering by os" do
+    before do
+      node_map.set(:thing, :foo, os: ["windows"])
+      node_map.set(:thing, :bar, os: "linux")
+    end
+    it "returns the correct value for windows" do
+      allow(node).to receive(:[]).with(:os).and_return("windows")
+      expect(node_map.get(node, :thing)).to eql(:foo)
+    end
+    it "returns the correct value for linux" do
+      allow(node).to receive(:[]).with(:os).and_return("linux")
+      expect(node_map.get(node, :thing)).to eql(:bar)
+    end
+    it "returns nil for a non-matching os" do
+      allow(node).to receive(:[]).with(:os).and_return("freebsd")
+      expect(node_map.get(node, :thing)).to eql(nil)
+    end
+  end
+
+  describe "rejecting an os" do
+    before do
+      node_map.set(:thing, :foo, os: "!windows")
+    end
+    it "returns nil for windows" do
+      allow(node).to receive(:[]).with(:os).and_return("windows")
+      expect(node_map.get(node, :thing)).to eql(nil)
+    end
+    it "returns the correct value for linux" do
+      allow(node).to receive(:[]).with(:os).and_return("linux")
+      expect(node_map.get(node, :thing)).to eql(:foo)
+    end
+  end
+
+  describe "filtering by os and platform_family" do
+    before do
+      node_map.set(:thing, :bar, os: "linux", platform_family: "rhel")
+    end
+
+    it "returns the correct value when both match" do
+      allow(node).to receive(:[]).with(:os).and_return("linux")
+      allow(node).to receive(:[]).with(:platform_family).and_return("rhel")
+      expect(node_map.get(node, :thing)).to eql(:bar)
+    end
+
+    it "returns nil for a non-matching os" do
+      allow(node).to receive(:[]).with(:os).and_return("freebsd")
+      expect(node_map.get(node, :thing)).to eql(nil)
+    end
+
+    it "returns nil when the platform_family does not match" do
+      allow(node).to receive(:[]).with(:os).and_return("linux")
+      allow(node).to receive(:[]).with(:platform_family).and_return("debian")
+      expect(node_map.get(node, :thing)).to eql(nil)
+    end
+  end
+
+  describe "with a block doing platform_version checks" do
+    before do
+      node_map.set(:thing, :foo, platform_family: "rhel") do |node|
+        node[:platform_version].to_i >= 7
+      end
+    end
+
+    it "returns the value when the node matches" do
+      allow(node).to receive(:[]).with(:platform_family).and_return("rhel")
+      allow(node).to receive(:[]).with(:platform_version).and_return("7.0")
+      expect(node_map.get(node, :thing)).to eql(:foo)
+    end
+
+    it "returns nil when the block does not match" do
+      allow(node).to receive(:[]).with(:platform_family).and_return("rhel")
+      allow(node).to receive(:[]).with(:platform_version).and_return("6.4")
+      expect(node_map.get(node, :thing)).to eql(nil)
+    end
+
+    it "returns nil when the platform_family filter does not match" do
+      allow(node).to receive(:[]).with(:platform_family).and_return("debian")
+      allow(node).to receive(:[]).with(:platform_version).and_return("7.0")
+      expect(node_map.get(node, :thing)).to eql(nil)
+    end
+
+    it "returns nil when both do not match" do
+      allow(node).to receive(:[]).with(:platform_family).and_return("debian")
+      allow(node).to receive(:[]).with(:platform_version).and_return("6.0")
+      expect(node_map.get(node, :thing)).to eql(nil)
+    end
+  end
+
+  describe "resource back-compat testing" do
+    it "should handle :on_platforms => :all" do
+      node_map.set(:chef_gem, :foo, :on_platforms => :all)
+      allow(node).to receive(:[]).with(:platform).and_return("windows")
+      expect(node_map.get(node, :chef_gem)).to eql(:foo)
+    end
+    it "should handle :on_platforms => [ 'windows' ]" do
+      node_map.set(:dsc_script, :foo, :on_platforms => [ 'windows' ])
+      allow(node).to receive(:[]).with(:platform).and_return("windows")
+      expect(node_map.get(node, :dsc_script)).to eql(:foo)
+    end
+    it "should handle :on_platform => :all" do
+      node_map.set(:link, :foo, :on_platform => :all)
+      allow(node).to receive(:[]).with(:platform).and_return("windows")
+      expect(node_map.get(node, :link)).to eql(:foo)
+    end
+  end
+
+end
+