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validate_xml_schema.md

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Validate the TigerData XML Schema

To validate the TigerData XML Schema, use the xml_schema:validate_example rake task. The rake task requires two arguments; the XSD document of the schema, and the XML document to be validated against it.

TigerData metadata XML schemas and examples are stored in version-numbered folders in lib/assets/tigerdata_metadata in this repository, which are copied from the tigerdata_metadata_schema repository.

Instructions

  1. Set environment variables for the XSD schema and example document that you are going to work with. Example: 
    export SCHEMA_FILE=lib/assets/tigerdata_metadata/v0.8/TigerData_StandardMetadataSchema_v0.8.xsd
export DOCUMENT_FILE=lib/assets/tigerdata_metadata/v0.8/TigerData_MetadataExample-Item_v0.8.xml
  2. Run the rake task with your arguments as follows: 
    bundle exec rake xml_schema:validate_example\[$SCHEMA_FILE,$DOCUMENT_FILE]
  3. If there are errors, you should see them outputted to the terminal. Otherwise, if the XML document validates, you should see output something like the following: 
    OK! - XML example lib/assets/tigerdata_metadata/v0.8/TigerData_MetadataExample-Project-Request_v0.8.xml validates against schema lib/assets/tigerdata_metadata/v0.8/TigerData_StandardMetadataSchema_v0.8.xsd