Added tests for the cli arguments (html-to-text#153)

Author: aautio

test/test-cli.js

@@ -0,0 +1,98 @@
+var expect = require('chai').expect;
+var fs = require('fs');
+
+var exec = require('child_process').exec;
+
+function runWithInputAndExpect(input, args, expectedOutput, done) {
+  exec('echo "' + input.replace(/"/g, '\\"') + '" | node bin/cli.js ' + args, function callback(error, stdout, stderr) {
+    expect(error).to.be.a('null');
+    expect(stderr).to.equal('');
+    expect(stdout).to.equal(expectedOutput + '\n');
+    done(error);
+  });
+}
+
+describe('cli arguments', function() {
+  it('should output nothing with empty input', function(done) {
+    runWithInputAndExpect('', '', '', done);
+  });
+
+  it('should not ignore images by default', function (done) {
+    runWithInputAndExpect(
+      'Hello <img alt="alt text" src="http://my.img/here.jpg">!',
+      '',
+      'Hello alt text [http://my.img/here.jpg]!',
+      done);
+  });
+
+  it('should ignore images with --ignore-image=true', function (done) {
+    runWithInputAndExpect(
+      'Hello <img alt="alt text" src="http://my.img/here.jpg">!',
+      '--ignore-image=true',
+      'Hello !',
+      done);
+  });
+
+  it('should not ignore href by default', function (done) {
+    runWithInputAndExpect(
+      '<a href="http://my.link">test</a>',
+      '',
+      'test [http://my.link]',
+      done);
+  });
+
+  it('should ignore href with --ignore-href=true', function (done) {
+    runWithInputAndExpect(
+      '<a href="http://my.link">test</a>',
+      '--ignore-href=true',
+      'test',
+      done);
+  });
+
+  it('should wordwrap at 80 characters by default', function (done) {
+    runWithInputAndExpect(
+      ' 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789',
+      '',
+      ' 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789\n123456789',
+      done);
+  });
+
+  it('should wordwrap at 40 with --wordwrap=40', function (done) {
+    runWithInputAndExpect(
+      ' 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789',
+      '--wordwrap=40',
+      ' 123456789 123456789 123456789 123456789\n123456789 123456789 123456789 123456789\n123456789',
+      done);
+  });
+
+  it('should return link with brackets by default', function (done) {
+    runWithInputAndExpect(
+      '<a href="http://my.link">test</a>',
+      '',
+      'test [http://my.link]',
+      done);
+  });
+
+  it('should return link without brackets with --noLinkBrackets=true', function (done) {
+    runWithInputAndExpect(
+      '<a href="http://my.link">test</a>',
+      '--noLinkBrackets=true',
+      'test http://my.link',
+      done);
+  });
+
+  it('should support --tables definitions with commas', function(done) {
+    var expectedTxt = fs.readFileSync('test/test.txt', 'utf8');
+
+    function runWithArgs(args, callback) {
+      exec('cat test/test.html | node bin/cli.js ' + args, callback);
+    }
+
+    runWithArgs('--tables=#invoice,.address', function callback(error, stdout, stderr) {
+      expect(error).to.be.a('null');
+      expect(stderr).to.equal('');
+      expect(stdout).to.equal(expectedTxt + '\n');
+      done(error);
+    });
+  });
+});