From 23d68e84c00ba741a29e4e088ef12aa7b23e045c Mon Sep 17 00:00:00 2001
From: mtmail <mtmail@gmx.net>
Date: Mon, 19 Apr 2021 16:22:41 +0200
Subject: [PATCH] reverse page: dont switch empty coordinates (#130)

---
 src/components/SearchSectionReverse.svelte |  2 ++
 test/reverse.js                            | 36 ++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 test/reverse.js

diff --git a/src/components/SearchSectionReverse.svelte b/src/components/SearchSectionReverse.svelte
index aca422d..1861902 100644
--- a/src/components/SearchSectionReverse.svelte
+++ b/src/components/SearchSectionReverse.svelte
@@ -9,6 +9,8 @@
   export let zoom = '';
 
   function gotoCoordinates(newlat, newlon, newzoom) {
+    if (newlat === null || newlon === null) return;
+
     let params = new URLSearchParams();
     params.set('lat', newlat);
     params.set('lon', newlon);
diff --git a/test/reverse.js b/test/reverse.js
new file mode 100644
index 0000000..8e02b23
--- /dev/null
+++ b/test/reverse.js
@@ -0,0 +1,36 @@
+const assert = require('assert');
+
+describe('Reverse Page', function () {
+  let page;
+
+  describe('No search', function () {
+    before(async function () {
+      page = await browser.newPage();
+      await page.goto('http://localhost:9999/reverse.html');
+    });
+
+    after(async function () {
+      await page.close();
+    });
+
+    it('should allow switching coordinates', async function () {
+      let lat_handle = await page.$('input[name=lat]');
+      let lon_handle = await page.$('input[name=lon]');
+
+      assert.equal(await lat_handle.evaluate(node => node.value), '');
+      assert.equal(await lon_handle.evaluate(node => node.value), '');
+
+      await page.click('#switch-coords');
+      // no change
+      assert.equal(await lat_handle.evaluate(node => node.value), '');
+      assert.equal(await lon_handle.evaluate(node => node.value), '');
+
+      await page.type('input[name=lat]', '5');
+      await page.type('input[name=lon]', '10');
+      await page.click('#switch-coords');
+      // switched
+      assert.equal(await lat_handle.evaluate(node => node.value), 10);
+      assert.equal(await lon_handle.evaluate(node => node.value), 5);
+    });
+  });
+});
-- 
2.39.5