From cc3303cbd87b1dbfe4e41ff8acf4df9e3dc0805d Mon Sep 17 00:00:00 2001
From: Aditya Mangalampalli <aditya.mangalampalli@gmail.com>
Date: Thu, 12 May 2022 16:34:53 -0700
Subject: Add Unit Testing for `url-helpers.ts`;  Moved all tests into single
 pattern so they are run as a suite (#112)

Co-authored-by: Vijay A <vraravam@users.noreply.github.com>
---
 src/helpers/url-helpers.test.ts | 116 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 src/helpers/url-helpers.test.ts

(limited to 'src/helpers')

diff --git a/src/helpers/url-helpers.test.ts b/src/helpers/url-helpers.test.ts
new file mode 100644
index 000000000..5ea6fa1a8
--- /dev/null
+++ b/src/helpers/url-helpers.test.ts
@@ -0,0 +1,116 @@
+import * as url_helpers from './url-helpers'
+
+describe('url_helpers', () => {
+  describe('isValidExternalURL', () => {
+    describe('with string', () => {
+      it('returns false for empty string ', () => {
+        const result = url_helpers.isValidExternalURL('');
+        expect(result).toBe(false);
+      });
+
+      it('returns false for whitespace string', () => {
+        const result = url_helpers.isValidExternalURL('  ');
+        expect(result).toBe(false);
+      });
+
+      it('returns false for random string', () => {
+        const result = url_helpers.isValidExternalURL('some random string');
+        expect(result).toBe(false);
+      });
+
+      it('returns false for invalid url', () => {
+        const result = url_helpers.isValidExternalURL('shttps://google');
+        expect(result).toBe(false);
+      });
+
+      it('returns true for valid http url', () => {
+        const result = url_helpers.isValidExternalURL('http://google');
+        expect(result).toBe(true);
+      });
+
+      it('returns true for valid https url', () => {
+        const result = url_helpers.isValidExternalURL('https://google');
+        expect(result).toBe(true);
+      });
+    });
+
+    describe('with URL', () => {
+      // Note: not testing the invalid string urls - since the URL ctor itself will raise an error
+
+      it('returns false for invalid url', () => {
+        const result = url_helpers.isValidExternalURL(new URL('shttps://google'));
+        expect(result).toBe(false);
+      });
+
+      it('returns true for valid http url', () => {
+        const result = url_helpers.isValidExternalURL(new URL('http://google'));
+        expect(result).toBe(true);
+      });
+
+      it('returns true for valid https url', () => {
+        const result = url_helpers.isValidExternalURL(new URL('https://google'));
+        expect(result).toBe(true);
+      });
+    });
+  });
+
+  describe('fixUrl', () => {
+    it('handles with empty string', () => {
+      const result = url_helpers.fixUrl('');
+      expect(result).toEqual('');
+    });
+
+    it('handles with whitespace string', () => {
+      const result = url_helpers.fixUrl('   ');
+      expect(result).toEqual('   ');
+    });
+
+    it('handles with random string', () => {
+      const result = url_helpers.fixUrl('some random string');
+      expect(result).toEqual('some random string');
+    });
+
+    it('handles string starting with http://', () => {
+      expect(url_helpers.fixUrl('http://some/random/url')).toEqual('http://some/random/url');
+      expect(url_helpers.fixUrl('http://some//random//url')).toEqual('http://some/random/url');
+    });
+
+    it('handles string starting with https://', () => {
+      expect(url_helpers.fixUrl('https://some/random/url')).toEqual('https://some/random/url');
+      expect(url_helpers.fixUrl('https://some//random//url')).toEqual('https://some/random/url');
+    });
+
+    it('handles string starting with file://', () => {
+      expect(url_helpers.fixUrl('file://some/random/url')).toEqual('file://some/random/url');
+      expect(url_helpers.fixUrl('file://some//random//url')).toEqual('file://some/random/url');
+    });
+  });
+
+  describe('isValidFileUrl', () => {
+    it('returns false for empty string', () => {
+      const result = url_helpers.isValidFileUrl('');
+      expect(result).toBe(false);
+    });
+
+    it('returns false for whitespace string', () => {
+      const result = url_helpers.isValidFileUrl('  ');
+      expect(result).toBe(false);
+    });
+
+    it('returns false for random string', () => {
+      const result = url_helpers.isValidFileUrl('some random string');
+      expect(result).toBe(false);
+    });
+
+    it('returns false for invalid url', () => {
+      const result = url_helpers.isValidFileUrl('sfile://google');
+      expect(result).toBe(false);
+    });
+
+    it('returns true for valid file url', () => {
+      const fileName = process.platform === 'win32' ? 'file:///c:\\' : 'file:///';
+      const result = url_helpers.isValidFileUrl(fileName);
+      expect(result).toBe(true);
+    });
+  });
+});
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