@redoxengine/redox-hl7-v2/test/unit/lib/generator/field.spec.js

A parser for hl7 version 2 messages. Creates json from v2 messages, and creates v2 messages from json.

describe('Function: writeField', function() {

	var ret, field, generator;
  
	before(function(){
	  generator = new v2.Generator();
	});
  
	it('should handle simple fields like MSH.10', function(){
	  ret = generator.writeField('12345', 'MSH.10');
	  expect(ret).to.equal('12345');
	});
  
	  it('should handle varies fields like OBX.5', function(){
		  field = {
			  2: 'PDF',
			  3: {
				  1: 'FAKE COMPONENT'
			  },
			  4: {
				  2: 'ANOTHER FAKE COMPONENT'
			  },
			  5: 'I AM A PDF DOCUMENT'
		  };
		  ret = generator.writeField(field, 'OBX.5');
		  expect(ret).to.equal('^PDF^FAKE COMPONENT^&ANOTHER FAKE COMPONENT^I AM A PDF DOCUMENT');
	  });
  
	  it('should handle varies fields like OBX.5.2', function(){
		  field = {
			  2: 'PDF',
			  3: {
				  1: 'FAKE COMPONENT'
			  },
			  4: {
				  2: 'ANOTHER FAKE COMPONENT'
			  },
			  5:{ 1: '|O|', 2 :'I AM A PDF DOCUME\\NT'
			  } 
		  };
		  ret = generator.writeField(field, 'OBX.5');
		  expect(ret).to.equal('^PDF^FAKE COMPONENT^&ANOTHER FAKE COMPONENT^\\F\\O\\F\\&I AM A PDF DOCUME\\E\\NT');
	  });
  
	  it('should handle simple varies fields', function(){
		  ret = generator.writeField('VALUE', 'OBX.5');
		  expect(ret).to.equal('VALUE');
	  });
  
	  it('should handle complex fields like PID.3', function(){
		  field = {
			  1: 'ID',
			  2: 'CHECK DIGIT',
			  3: 'CODE',
			  4: {
				  1: 'namespace',
				  2: 'universal',
				  3: 'type'
			  },
			  5: 'typecode',
			  6: {
				  1: 'namespace',
				  3: 'type'
			  },
		  };
		  ret = generator.writeField(field, 'PID.3');
		  expect(ret).to.equal('ID^CHECK DIGIT^CODE^namespace&universal&type^typecode^namespace&&type');
	  });
  
	  it('should handle a complex field like PID.3 with simple data', function(){
		  ret = generator.writeField({1: '12345'}, 'PID.3');
		  expect(ret).to.equal('12345');
  
		  field = {
			  1: '12345',
			  4: {
				  1: 'MR'
			  }
		  };
		  ret = generator.writeField(field, 'PID.3');
		  expect(ret).to.equal('12345^^^MR');
	  });
  
	  it('should handle null values for string fields', function(){
		  ret = generator.writeField(null, 'MSH.10');
		  expect(ret).to.equal('');
	  });
  
	  it('should handle null values for complex fields', function(){
		  ret = generator.writeField({1: null}, 'PID.3');
		  expect(ret).to.equal('');
	  });
  
	  it('should should handle null values for simple varies fields', function(){
		  ret = generator.writeField(null, 'OBX.5');
		  expect(ret).to.equal('');
	  });
  
	  it('should should handle null values for varies fields', function(){
		  field = {
			  2: 'PDF|',
			  3: {
				  1: null
			  },
			  4: {
				  2: 'ANOTHER FAKE COMPONENT|'
			  },
			  5: null
		  };
		  ret = generator.writeField(field, 'OBX.5');
		  expect(ret).to.equal('^PDF\\F\\^^&ANOTHER FAKE COMPONENT\\F\\^');
	  });
  
	  it('should escape HL7 control characters', function(){
		  ret = generator.writeField({1: '12345'}, 'PID.3');
		  expect(ret).to.equal('12345');
  
		  field = {
			  1: '12345\\',
			  4: {
				  1: 'MR'
			  }
		  };
		  ret = generator.writeField(field, 'PID.3');
		  expect(ret).to.equal('12345\\E\\^^^MR');
	  });
  });