1 files changed, 89 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/couchdblookup_spec.rb b/spec/unit/puppet/parser/functions/couchdblookup_spec.rb
new file mode 100755
index 0000000..8777d71
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/couchdblookup_spec.rb
@@ -0,0 +1,89 @@
+#!/usr/bin/env rspec
+
+require 'puppet'
+
+describe "the couchdblookup function" do
+  before :all do
+    Puppet::Parser::Functions.autoloader.loadall
+    @datapath = File.dirname(__FILE__) + '/../../../data/'
+  end
+
+  before :each do
+    @scope = Puppet::Parser::Scope.new
+  end
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("couchdblookup").should == "function_couchdblookup"
+  end
+
+  it "should raise a ParseError unless there is exactly 2 arguments" do
+    lambda { @scope.function_couchdblookup([]) }.should       raise_error(Puppet::ParseError)
+    lambda { @scope.function_couchdblookup([1]) }.should      raise_error(Puppet::ParseError)
+    lambda { @scope.function_couchdblookup([1,2,3]) }.should  raise_error(Puppet::ParseError)
+  end
+
+  it "should return the value of a key from a single couchdb document" do
+    sample_json = File.open(@datapath + 'one-document.txt')
+    OpenURI.stub!(:open_uri).and_return(sample_json)
+
+    result = @scope.function_couchdblookup(["http://fake/uri", "wiki"])
+    result.should eq(true)
+  end
+
+  it "should raise a ParseError if a key can't be found in a couchdb document" do
+    sample_json = File.open(@datapath + 'one-document.txt')
+    OpenURI.stub!(:open_uri).and_return(sample_json)
+
+    result = lambda { @scope.function_couchdblookup(["http://fake/uri", "fake-key"]) }
+    result.should raise_error(Puppet::ParseError)
+  end
+
+  it "should return an array from the values of a couchdb view" do
+    sample_json = File.open(@datapath + 'map.txt')
+    OpenURI.stub!(:open_uri).and_return(sample_json)
+
+    result = @scope.function_couchdblookup(["http://fake/uri", "value"])
+    result.should eq(["foo", "bar"])
+  end
+
+  it "should raise a ParseError if a key can't be found in the rows of a couchdb view" do
+    sample_json = File.open(@datapath + 'map.txt')
+    OpenURI.stub!(:open_uri).and_return(sample_json)
+
+    result = lambda { @scope.function_couchdblookup(["http://fake/uri", "fake-key"]) }
+    result.should raise_error(Puppet::ParseError)
+  end
+
+  it "should return an array the values from a couchdb reduced view" do
+    sample_json = File.open(@datapath + 'map+reduce.txt')
+    OpenURI.stub!(:open_uri).and_return(sample_json)
+
+    result = @scope.function_couchdblookup(["http://fake/uri", "value"])
+    result.should eq(["foo", "bar", "baz"])
+  end
+
+  it "should raise a ParseError if a key can't be found in the rows of a couchdb reduced view" do
+    sample_json = File.open(@datapath + 'map+reduce.txt')
+    OpenURI.stub!(:open_uri).and_return(sample_json)
+
+    result = lambda { @scope.function_couchdblookup(["http://fake/uri", "fake-key"]) }
+    result.should raise_error(Puppet::ParseError)
+  end
+
+  it "should raise a ParseError if couchdb can't find the requested document" do
+    sample_json = File.open(@datapath + 'missing.txt')
+    OpenURI.stub!(:open_uri).and_return(sample_json)
+
+    result = lambda { @scope.function_couchdblookup(["http://fake/uri", "a-key"]) }
+    result.should raise_error(Puppet::ParseError)
+  end
+
+  it "should raise a ParseError if input in not valid JSON" do
+    sample_json = File.open(@datapath + 'proxy-failure.txt')
+    OpenURI.stub!(:open_uri).and_return(sample_json)
+
+    result = lambda { @scope.function_couchdblookup(["http://fake/uri", "a-key"]) }
+    result.should raise_error(Puppet::ParseError)
+  end
+
+end