url format tests

app/scripts/util/formatting/url-format.js

@@ -1,6 +1,6 @@
 const UrlFormat = {
     multiSlashRegex: /\/{2,}/g,
-    lastPartRegex: /\/?[^\/\\]+$/,
+    lastPartRegex: /[\/\\]?[^\/\\]+$/,
     kdbxEndRegex: /\.kdbx$/i,
 
     getDataFileName(url) {

test/src/formatting/url-format.js

@@ -0,0 +1,35 @@
+import { expect } from 'chai';
+import { UrlFormat } from 'util/formatting/url-format';
+
+describe('UrlFormat', () => {
+    it('should extract file name from url', () => {
+        expect(UrlFormat.getDataFileName('https://example.com/data/My.file.kDBx?x=1')).to.eql(
+            'My.file'
+        );
+    });
+
+    it('should determine if url represents a kdbx file', () => {
+        expect(UrlFormat.isKdbx('//data/file.KdBx')).to.be.true;
+        expect(UrlFormat.isKdbx('//data/file.kdb')).to.be.false;
+        expect(UrlFormat.isKdbx('//data/file.kdbxx')).to.be.false;
+    });
+
+    it('should replace multiple slashes', () => {
+        expect(UrlFormat.fixSlashes('//data/file//ext')).to.eql('/data/file/ext');
+    });
+
+    it('should get directory url by full url', () => {
+        expect(UrlFormat.fileToDir('/var/data/My.file.kdbx')).to.eql('/var/data');
+        expect(UrlFormat.fileToDir('\\\\share\\data\\My.file.kdbx')).to.eql('\\\\share\\data');
+        expect(UrlFormat.fileToDir('My.file.kdbx')).to.eql('/');
+    });
+
+    it('should make url from parts', () => {
+        expect(
+            UrlFormat.makeUrl('/path', {
+                hello: 'world',
+                data: '= &'
+            })
+        ).to.eql('/path?hello=world&data=%3D%20%26');
+    });
+});