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#!/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
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