Add a simple spec for the azure mixin

Signed-off-by: Tim Smith <tsmith@chef.io>

1 files changed, 67 insertions, 0 deletions

diff --git a/spec/unit/mixin/azure_metadata_spec.rb b/spec/unit/mixin/azure_metadata_spec.rb
new file mode 100644
index 00000000..bdbb9f3e
--- /dev/null
+++ b/spec/unit/mixin/azure_metadata_spec.rb
@@ -0,0 +1,67 @@
+#
+# Author:: Tim Smith <tsmith@chef.io>
+# Copyright:: 2017 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 CONDIT"Net::HTTP Response"NS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require_relative "../../spec_helper.rb"
+require "ohai/mixin/azure_metadata"
+
+describe Ohai::Mixin::AzureMetadata do
+  let(:mixin) do
+    mixin = Object.new.extend(::Ohai::Mixin::AzureMetadata)
+    mixin
+  end
+
+  describe "#http_get" do
+    it "gets the passed URI" do
+      http_mock = double("http")
+      allow(http_mock).to receive(:read_timeout=)
+      allow(Net::HTTP).to receive(:start).with("169.254.169.254").and_return(http_mock)
+
+      expect(http_mock).to receive(:get).with('http://www.chef.io', initheader = { "Metadata" => "true" })
+      mixin.http_get('http://www.chef.io')
+    end
+  end
+
+  describe "#fetch_metadata" do
+    it "returns an empty hash given a non-200 response" do
+      http_mock = double("http", {:code => "500" })
+      allow(mixin).to receive(:http_get).and_return(http_mock)
+
+      expect(Ohai::Log).to receive(:warn)
+      vals = mixin.fetch_metadata
+      expect(vals).to eq({})
+    end
+
+    it "returns an empty hash given invalid JSON response" do
+      http_mock = double("http", {:code => "200", :body => '{ "foo" "bar"}' })
+      allow(mixin).to receive(:http_get).and_return(http_mock)
+
+      expect(Ohai::Log).to receive(:warn)
+      vals = mixin.fetch_metadata
+      expect(vals).to eq({})
+    end
+
+    it "returns a populated hash given valid JSON response" do
+      http_mock = double("http", {:code => "200", :body => '{ "foo": "bar"}' })
+      allow(mixin).to receive(:http_get).and_return(http_mock)
+
+      expect(Ohai::Log).not_to receive(:warn)
+      vals = mixin.fetch_metadata
+      expect(vals).to eq({"foo" => "bar"})
+    end
+  end
+end