+#!/usr/bin/env rspec
+
+require 'spec_helper'
+
+module MCollective
+ module RPC
+ describe Helpers do
+ describe "#extract_hosts_from_json" do
+ it "should fail for non array data" do
+ expect {
+ Helpers.extract_hosts_from_json("{}")
+ }.to raise_error("JSON hosts list is not an array")
+ end
+
+ it "should fail for non hash array members" do
+ senders = [{"sender" => "sender1"}, {"sender" => "sender3"}, ""].to_json
+
+ expect {
+ Helpers.extract_hosts_from_json(senders)
+ }.to raise_error("JSON host list is not an array of Hashes")
+ end
+
+ it "should fail for hashes without senders" do
+ senders = [{"sender" => "sender1"}, {"sender" => "sender3"}, {}].to_json
+
+ expect {
+ Helpers.extract_hosts_from_json(senders)
+ }.to raise_error("JSON host list does not have senders in it")
+ end
+
+ it "should return all found unique senders" do
+ senders = [{"sender" => "sender1"}, {"sender" => "sender3"}, {"sender" => "sender1"}].to_json
+
+ Helpers.extract_hosts_from_json(senders).should == ["sender1", "sender3"]
+ end
+ end
+
+ describe "#extract_hosts_from_array" do
+ it "should support single string lists" do
+ Helpers.extract_hosts_from_array("foo").should == ["foo"]
+ end
+
+ it "should support arrays" do
+ Helpers.extract_hosts_from_array(["foo", "bar"]).should == ["foo", "bar"]
+ end
+
+ it "should fail for non string array members" do
+ expect {
+ Helpers.extract_hosts_from_array(["foo", 1])
+ }.to raise_error("1 should be a string")
+ end
+ end
+ end
+ end
+end