Class: TestTree

Inherits:
Test::Unit::TestCase
  • Object
show all
Defined in:
lib/lti2_commons/test/test_jsonpath.rb

Constant Summary collapse

ARGV = 
['', "--name", "test_print"]

Instance Method Summary collapse

Instance Method Details

#assert_first(jsonpath, expected_value = nil) ⇒ Object

asserts if singleton expected_value is provided, else prints result useful for preparing new tests



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 179

def assert_first(jsonpath, expected_value=nil)
  try_result = JsonPath.new(jsonpath).on(@json_obj).first
  if expected_value
    assert_equal expected_value, try_result
  else
    puts "#{jsonpath}: #{try_result.inspect}"
  end
end

#assert_node(jsonpath, expected_value = nil) ⇒ Object

asserts if expected_value is provided, else prints result useful for preparing new tests



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 168

def assert_node(jsonpath, expected_value=nil)
  try_result = JsonPath.new(jsonpath).on(@json_obj)
  if expected_value
    assert_equal expected_value, try_result
  else
    puts "#{jsonpath}: #{try_result.inspect}"
  end
end

#setup ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 7

def setup
  @json_str =
<<PROXY
{
"@context" : [
    "http://www.imsglobal.org/imspurl/lti/v2/ctx/ToolProxy",
    "http://purl.org/blackboard/ctx/v1/iconStyle"
],
"@type" : "ToolProxy",
"@id" : "http://fabericious..com/ToolProxy/869e5ce5-214c-4e85-86c6-b99e8458a592",
"lti_version" : "LTI-2p0",
"tool_proxy_guid" : "869e5ce5-214c-4e85-86c6-b99e8458a592",
"tool_consumer_profile" : "http://lms.example.com/profile/b6ffa601-ce1d-4549-9ccf-145670a964d4",
"tool_profile" : {
  "lti_version" : "LTI-2p0",
  "product_instance" : {
    "guid" : "fd75124a-140e-470f-944c-114d2d92bb40",
    "product_info" : {
      "product_name" : {
        "default_value" : "Acme Assessments",
        "key" : "tool.name"
      },
      "description" : {
        "default_value" : "Acme Assessments provide an interactive test format.",
        "key" : "tool.description"
      },
      "product_version" : "10.3",
      "technical_description" : {
        "default_value" : "Support provided for all LTI 1 extensions as well as LTI 2",
        "key" : "tool.technical"
      },
      "product_family" : {
        "code" : "assessment-tool",
        "vendor" : {
          "code" : "acme.com",
          "name" : {
            "default_value" : "Acme",
            "key" : "tool.vendor.name"
          },
          "description" : {
            "default_value" : "Acme is a leading provider of interactive tools for education",
            "key" : "tool.vendor.description"
          },
          "website" : "http://acme.example.com",
          "timestamp" : "2012-04-05T09:08:16-04:00",
          "contact" : {
            "email" : "[email protected]"
          }
        }
      }
    },
    "support" : {
      "email" : "[email protected]"
    },
    "service_provider" : {
      "guid" : "18e7ea50-3d6d-4f6b-aff2-ed3ab577716c",
      "provider_name" : {
        "default_value" : "Acme Hosting",
        "key" : "service_provider.name"
      },
      "description" : {
        "default_value" : "Provider of high performance managed hosting environments",
        "key" : "service_provider.description"
      },
      "support" : {
        "email" : "[email protected]"
      },
      "timestamp" : "2012-04-05T09:08:16-04:00"
    }
  },
  "base_url_choice" : [
     { "default_base_url" : "http://acme.example.com",
       "secure_base_url" : "https://acme.example.com",
       "selector" : {
         "applies_to" : [
           "IconEndpoint",
           "MessageHandler"
         ]
       }
     }
   ],
  "resource_handler" : [
    {
      "name" : {
        "default_value" : "Acme Assessment",
        "key" : "assessment.resource.name"
      },
      "description" : {
        "default_value" : "An interactive assessment using the Acme scale.",
        "key" : "assessment.resource.description"
      },
      "message" : {
        "message_type" : "basic-lti-launch-request",
        "path" : "/handler/launchRequest",
        "capability" : [
          "Result.autocreate",
          "Result.sourcedGUID"
        ],
        "parameter" : [
          { "name" : "result_id",
            "variable" : "$Result.sourcedGUID"
          },
          { "name" : "discipline",
            "fixed" : "chemistry"
          }
        ]
      },
      "icon_info" : [
         {
           "default_location" : {
             "path" : "/images/bb/en/icon.png"
           },
           "key" : "iconStyle.default.path"
         },
         { "icon_style" : "BbListElementIcon",
           "default_location" : {
             "path" : "/images/bb/en/listElement.png"
           },
           "key" : "iconStyle.bb.listElement.path"
         },
         { "icon_style" : "BbPushButtonIcon",
           "default_location" : {
             "path" : "images/bb/en/pushButton.png"
           },
           "key" : "iconStyle.bb.pushButton.path"
         }
       ]
    }
  ]
},
"security_contract" : {
  "shared_secret" : "ThisIsASecret!",
  "tool_service" : [
    { "@type" : "RestServiceProfile",
      "service" : "http://lms.example.com/profile/b6ffa601-ce1d-4549-9ccf-145670a964d4#ToolProxy.collection",
      "action" : "POST"
    },
    { "@type" : "RestServiceProfile",
      "service" : "http://lms.example.com/profile/b6ffa601-ce1d-4549-9ccf-145670a964d4#ToolProxy.item",
      "action" : [
        "GET",
        "PUT"
      ]
    },
    { "@type" : "RestService",
      "service" : "http://lms.example.com/profile/b6ffa601-ce1d-4549-9ccf-145670a964d4#Result.item",
      "action" : [
        "GET",
        "PUT"
      ]
    }
  ]
}
}
PROXY

@json_obj = JSON.parse(@json_str)
end

#test_arrays ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 208

def test_arrays
  assert_node "tool_profile.resource_handler[0].message.path", ["/handler/launchRequest"]
  assert_node 'tool_profile.resource_handler[0].message.message_type', ["basic-lti-launch-request"]
end

#test_basics ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 200

def test_basics
  assert_node 'tool_proxy_guid', ["869e5ce5-214c-4e85-86c6-b99e8458a592"]
  assert_node 'security_contract.shared_secret', ["ThisIsASecret!"]
  # 2 dots goes through array(s)
  assert_node 'tool_profile.base_url_choice..default_base_url', ["http://acme.example.com"]
  assert_node 'lti_version', ["LTI-2p0"]
end

#test_enumerate ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 235

def test_enumerate
  enum = JsonPath.new("$..*")[@json_obj]
  counter = 0
  enum.each {|node| counter += 1}
  assert_equal 114, counter
end

#test_filter ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 227

def test_filter
  assert_first 'security_contract.tool_service[0].action', "POST"
  assert_first 'security_contract.tool_service[?(@["action"]=="POST")]', 
    {"service"=>"http://lms.example.com/profile/b6ffa601-ce1d-4549-9ccf-145670a964d4#ToolProxy.collection", "action"=>"POST", "@type"=>"RestServiceProfile"}
  # assert_first 'security_contract.tool_service[?(@["action"]=="POST")]'
  assert_equal "POST", JsonPath.new('security_contract.tool_service[?(@["action"]=="POST")]').on(@json_obj).first['action']
end

#test_filter0 ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 213

def test_filter0
  # resource_handler = JsonPath.new('tool_profile.resource_handler').on(@json_obj)
  # assert_node 'tool_profile.resource_handler[?(true)]'
  # assert_node 'tool_profile.resource_handler.[?(@["message"]["message_type"]=="basic-lti-launch-request")]'
  #find matching message_type and dig down to get message.path
  assert_equal "/handler/launchRequest", 
    JsonPath.new('tool_profile.resource_handler.[?(@["message"]["message_type"]=="basic-lti-launch-request")]').on(@json_obj).first['message']['path']

  # do the same replying JsonPath
  assert_equal "/handler/launchRequest", JsonPath.new('@..message..path').on(
    JsonPath.new('tool_profile.resource_handler.[?(@["message"]["message_type"]=="basic-lti-launch-request")]').on(@json_obj)).first

end

#test_first ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 196

def test_first
  assert_equal "869e5ce5-214c-4e85-86c6-b99e8458a592", JsonPath.new('tool_proxy_guid').on(@json_str).first
end

#test_path_on_json ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 188

def test_path_on_json
  # Note that same result for JSON string or loaded JSON object 
  assert_equal ["869e5ce5-214c-4e85-86c6-b99e8458a592"], JsonPath.new('tool_proxy_guid').on(@json_str)
  assert_equal ["869e5ce5-214c-4e85-86c6-b99e8458a592"], JsonPath.new('tool_proxy_guid').on(@json_obj)
  # assert_node 'tool_proxy_guid'
  assert_node 'tool_proxy_guid', ["869e5ce5-214c-4e85-86c6-b99e8458a592"]
end

#test_print ⇒ Object 



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# File 'lib/lti2_commons/test/test_jsonpath.rb', line 247

def test_print
  root = JsonPath.new("$").on(@json_str).first
  # puts root.to_json
  puts JSON.pretty_generate root
end