fix: file uploader error handling and tests

src/test/utils/parseGeneratedCode.spec.ts

@@ -0,0 +1,35 @@
+import { parseGeneratedCode } from '../../utils/index'
+
+it('should parse generated code', async (done) => {
+  expect(sampleResponse).toBeTruthy()
+
+  const parsedGeneratedCode = parseGeneratedCode(sampleResponse)
+
+  expect(parsedGeneratedCode).toBeTruthy()
+
+  const generatedCodeLines = parsedGeneratedCode.split('\r\n')
+
+  expect(generatedCodeLines.length).toEqual(5)
+  expect(generatedCodeLines[0].startsWith('MPRINT(MM_WEBIN)')).toBeTruthy()
+  expect(generatedCodeLines[1].startsWith('MPRINT(MM_WEBLEFT)')).toBeTruthy()
+  expect(generatedCodeLines[2].startsWith('MPRINT(MM_WEBOUT)')).toBeTruthy()
+  expect(generatedCodeLines[3].startsWith('MPRINT(MM_WEBRIGHT)')).toBeTruthy()
+  expect(generatedCodeLines[4].startsWith('MPRINT(MM_WEBOUT)')).toBeTruthy()
+
+  done()
+})
+
+/* tslint:disable */
+const sampleResponse = `<meta http-equiv="Content-Type" content="text/html; charset=windows-1252"/>
+6          @file mm_webout.sas
+7          @brief Send data to/from SAS Stored Processes
+8          @details This macro should be added to the start of each Stored Process,
+9          **immediately** followed by a call to:
+10         %webout(OPEN)
+MPRINT(MM_WEBIN):  ;
+MPRINT(MM_WEBLEFT):   filename _temp temp lrecl=999999;
+MPRINT(MM_WEBOUT):   data _null_;
+MPRINT(MM_WEBRIGHT):  file _temp;
+MPRINT(MM_WEBOUT):   if upcase(symget('_debug'))='LOG' then put '&gt;&gt;weboutBEGIN&lt;&lt;';
+`
+/* tslint:enable */