Updated .readme file and test logic.

.gitignore

 node_modules
 source
-files
-sample.js
+files

README.md

 
 ## LibreOffice test
 
-libreOfficePath --headless --convert-to pdf --outdir outputDir sourceFile(test.pdf),
+libreOfficeInstallationPath --headless --convert-to pdf --outdir outputDir sourceFile(test.pdf),
+
+## LibreOffice Installation Path
 
 Windows
 
 ```
-C:\\Program Files\\LibreOffice\\program\\soffice.exe or
-C:\\Program Files (x86)\\LibreOffice\\program\\soffice.exe or
+C:\\Program Files\\LibreOffice\\program\\soffice.exe (or)
+C:\\Program Files (x86)\\LibreOffice\\program\\soffice.exe (or)
 C:\\Program Files (x86)\\LIBREO~1\\program\\soffice.exe
 ```
 
 Ubuntu
 
 ```
-/usr/bin/libreoffice or
+/usr/bin/libreoffice (or)
 /usr/bin/soffice
 ```
 

convert.js

           return callback(new Error("Source file does not exist."));
         } else {
           if (extensions.includes(ext)) {
-            run(res, pdf, "pdf").then((pdfRes) => {
-              if (pdfRes !== "Error") {
-                if (!img) {
-                  return callback(null, pdfRes);
+            run(res, pdf, "pdf")
+              .then((pdfRes) => {
+                if (pdfRes !== "Error") {
+                  if (!img) {
+                    return callback(null, pdfRes);
+                  } else {
+                    run(res, image, "img")
+                      .then((imageRes) => {
+                        if (imageRes !== "Error") {
+                          return callback(null, imageRes);
+                        } else {
+                          return callback(
+                            new Error("Error on image conversion process.")
+                          );
+                        }
+                      })
+                      .catch((e) => callback(e));
+                  }
                 } else {
-                  run(res, image, "img").then((imageRes) => {
-                    if (imageRes !== "Error") {
-                      return callback(null, imageRes);
-                    } else {
-                      return callback(
-                        new Error("Error on image conversion process.")
-                      );
-                    }
-                  });
+                  return callback(
+                    new Error("Error on pdf conversion process.")
+                  );
                 }
-              } else {
-                return callback(new Error("Error on pdf conversion process."));
-              }
-            });
+              })
+              .catch((e) => callback(e));
           } else {
             return callback(new Error("Invalid extension."));
           }

sample.js

-const document = require("./convert");
-
-const options = {
-  libreofficeBin: "C:\\Program Files\\LibreOffice\\program\\soffice.exe",
-  sourceFile: "/home/convert/source/metro_powerpoint.pptx",
-  outputDir: "C:\\convert-pdf-img\\files\\",
-  img: true,
-  imgExt: "jpg",
-  reSize: 800,
-  density: 120,
-};
-
-document.convert(options, (err, res) => {
-  if (err) console.log(err.message);
-  console.log(res);
-});

test/test.js

 
 describe("Convert files to pdf or/and image", function () {
   let options = {
-    libreofficeBin: "C:\\Program Files\\LibreOffice\\program\\soffice.exe",
-    sourceFile: "C:\\convert-pdf-img\\metro_powerpoint.pptx",
-    outputDir: "C:\\convert-pdf-img\\files\\",
+    sourceFile: "C:\\document-convert\\metro_powerpoint.pptx",
+    outputDir: "C:\\document-convert\\files\\",
     img: true,
     imgExt: "jpg",
     reSize: 800,
     density: 120,
   };
   it("should return source file not exist", function () {
-    options.sourceFile = "C:\\convert-pdf-img\\source\\metro_powerpoint.pptex";
+    options.sourceFile = "C:\\document-convert\\source\\metro_powerpoint.pptex";
     var result = doc.convert(options, function (err) {
       expect(err.message).to.equal("Source file does not exist.");
     });
   });
 
   it("should return invalid extesion", function () {
-    options.sourceFile = "C:\\convert-pdf-img\\source\\sample.txt";
+    options.sourceFile = "C:\\document-convert\\source\\sample.txt";
     var result = doc.convert(options, function (err) {
       expect(err.message).to.equal("Invalid extension.");
     });
   });
 
-  it("should return error on image conversion process", function () {
-    options.sourceFile = "C:\\convert-pdf-img\\source\\metro_powerpoint.pptx";
-    options.outputDir = "abc";
-    var result = doc.convert(options, function (err) {
-      expect(err.message).to.equal("Error on image conversion process.");
+  it("should return success", function () {
+    options.sourceFile = "C:\\document-convert\\source\\metro_powerpoint.pptx";
+    options.outputDir = "C:\\document-convert\\files\\";
+    options.img = true;
+    var result = doc.convert(options, function (err, res) {
+      expect(res).to.equal("Success");
     });
   });
 });