test: add input parameters validation

asciidoc-link-checker.js

@@ -3,16 +3,29 @@ const { argv } = require('process');
 const fs = require('fs');
 const readline = require('readline');
 
-// regular expression for http- and https-link extraction
-const pattern = /\bhttps?:\/\/[^\s|^[]+\b/g;
 
+async function asciidocLinkCheck(file) {
 
-async function asciidocLinkCheck(file, pattern) {
+    let exitCode;
 
-    // 0 - valid link code, -1 - invalid link code
-    const exitCode = await checkFileLinks(file, pattern);
+    if ( file === undefined ) {
+
+        // -2 - file is undefined
+        exitCode = -2;
+    } else {
+
+        if ( file.split('.').at(-1) === "adoc" ) {
+
+            // 0 - all links are valid, -1 - one of the links is invalid
+            exitCode = await checkFileLinks(file);
+        } else {
 
+            // -3 - is not adoc file
+            exitCode = -3;
+        }
+    }
     console.log(`Exit code: ${ exitCode }`);
+    return exitCode;
 }
 
 /*
@@ -54,7 +67,10 @@ async function logCheckLinkResult(row, index, link) {
   check file links function,
   return file links positions and their availability status
 */
-async function checkFileLinks(file, pattern) {
+async function checkFileLinks(file) {
+
+    // regular expression for http- and https-link extraction
+    const pattern = /\bhttps?:\/\/[^\s|^[]+\b/g;
 
     const readableStream = fs.createReadStream(file);
 
@@ -87,7 +103,7 @@ async function checkFileLinks(file, pattern) {
 }
 
 
-asciidocLinkCheck(argv[2], pattern);
+asciidocLinkCheck(argv[2]);
 
 
-module.exports = { checkLink, logCheckLinkResult, checkFileLinks, pattern };
+module.exports = { checkLink, logCheckLinkResult, checkFileLinks, asciidocLinkCheck };

package.json

@@ -1,6 +1,6 @@
 {
     "name": "asciidoc-link-checker",
-    "version": "0.0.11",
+    "version": "0.0.12",
     "description": "Module checks links availability in an asciidoc file",
     "license": "MIT",
     "author": {

test/asciidoc-link-checker.test.js

@@ -1,4 +1,4 @@
-const { checkLink, logCheckLinkResult, checkFileLinks, pattern } = require('../asciidoc-link-checker');
+const { checkLink, logCheckLinkResult, checkFileLinks, asciidocLinkCheck } = require('../asciidoc-link-checker');
 
 
 describe('test checkLink function', () => {
@@ -49,17 +49,36 @@ describe('test logCheckLinkResult function', () => {
 describe('test checkFileLinks function', () => {
 
     it('test valid links adoc file', async () => {
-        const exitCode = await checkFileLinks('./test/data/valid-links-file.adoc', pattern);
+        const exitCode = await checkFileLinks('./test/data/valid-links-file.adoc');
         expect(exitCode).toBe(0);
     });
 
     it('test invalid links adoc file', async () => {
-        const exitCode = await checkFileLinks('./test/data/invalid-links-file.adoc', pattern);
+        const exitCode = await checkFileLinks('./test/data/invalid-links-file.adoc');
         expect(exitCode).toBe(-1);
     });
 
     it('test mixed links adoc file', async () => {
-        const exitCode = await checkFileLinks('./test/data/mixed-links-file.adoc', pattern);
+        const exitCode = await checkFileLinks('./test/data/mixed-links-file.adoc');
         expect(exitCode).toBe(-1);
     });
+});
+
+describe('test checkFileLinks function', () => {
+
+    it('test undefined file processing', async () => {
+        const exitCode = await asciidocLinkCheck();
+        expect(exitCode).toBe(-2);
+    });
+
+    it('test non-adoc file processing', async () => {
+        const exitCode = await asciidocLinkCheck('./test/data/txt-file.txt');
+        console.log(exitCode);
+        expect(exitCode).toBe(-3);
+    });
+
+    // TODO
+    it('test empty file processing', async () => {
+        //...
+    });
 });

test/data/txt-file.txt

@@ -0,0 +1 @@
+Some text