From 1dc19031fa28c2db88aaa5e9dd3c826469802a78 Mon Sep 17 00:00:00 2001
From: Karim Naaji <karim.naaji@gmail.com>
Date: Mon, 29 Aug 2022 14:08:22 -0700
Subject: [PATCH] Adding tests

---
 test/unit/ui/camera.test.js | 36 +++++++++++++++++++++++
 test/unit/ui/map.test.js    | 58 +++++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+)

diff --git a/test/unit/ui/camera.test.js b/test/unit/ui/camera.test.js
index 64fe924b361..79bf8c4d22d 100644
--- a/test/unit/ui/camera.test.js
+++ b/test/unit/ui/camera.test.js
@@ -2126,6 +2126,42 @@ test('camera', (t) => {
         t.end();
     });
 
+    t.test('#cameraForBounds with Globe', (t) => {
+        t.test('no options passed', (t) => {
+            const camera = createCamera({projection: {name: 'globe'}});
+            const bb = [[-133, 16], [-68, 50]];
+
+            const transform = camera.cameraForBounds(bb);
+            t.deepEqual(fixedLngLat(transform.center, 4), {lng: -100.5, lat: 34.716}, 'correctly calculates coordinates for new bounds');
+            t.equal(fixedNum(transform.zoom, 3), 2.106);
+            t.end();
+        });
+
+        t.test('bearing positive number', (t) => {
+            const camera = createCamera({projection: {name: 'globe'}});
+            const bb = [[-133, 16], [-68, 50]];
+
+            const transform = camera.cameraForBounds(bb, {bearing: 175});
+            t.deepEqual(fixedLngLat(transform.center, 4), {lng: -100.5, lat: 34.716}, 'correctly calculates coordinates for new bounds');
+            t.equal(fixedNum(transform.zoom, 3), 2.034);
+            t.equal(transform.bearing, 175);
+            t.end();
+        });
+
+        t.test('bearing negative number', (t) => {
+            const camera = createCamera({projection: {name: 'globe'}});
+            const bb = [[-133, 16], [-68, 50]];
+
+            const transform = camera.cameraForBounds(bb, {bearing: -30});
+            t.deepEqual(fixedLngLat(transform.center, 4), {lng: -100.5, lat: 34.716}, 'correctly calculates coordinates for new bounds');
+            t.equal(fixedNum(transform.zoom, 3), 1.868);
+            t.equal(transform.bearing, -30);
+            t.end();
+        });
+
+        t.end();
+    });
+
     t.test('#fitBounds', (t) => {
         t.test('no padding passed', (t) => {
             const camera = createCamera();
diff --git a/test/unit/ui/map.test.js b/test/unit/ui/map.test.js
index 5993963a4b0..7fe9cbe7bc9 100755
--- a/test/unit/ui/map.test.js
+++ b/test/unit/ui/map.test.js
@@ -188,6 +188,64 @@ test('Map', (t) => {
         function pass() { t.end(); }
     });
 
+    t.test('#cameraForBounds', (t) => {
+        t.test('crossing globe-mercator threshold globe -> mercator does not affect cameraForBounds result', (t) => {
+            const map = createMap(t);
+            map.setProjection('globe');
+            const bb = [[-133, 16], [-132, 18]];
+
+            let transform;
+
+            map.setZoom(0);
+            map._updateProjectionTransition();
+
+            t.equal(map.transform.projection.name, "globe");
+
+            transform = map.cameraForBounds(bb);
+            t.deepEqual(fixedLngLat(transform.center, 4), {lng: -132.5, lat: 17.0027});
+            t.equal(fixedNum(transform.zoom, 3), 6.071);
+
+            map.setZoom(10);
+            map._updateProjectionTransition();
+
+            t.equal(map.transform.projection.name, "mercator");
+
+            transform = map.cameraForBounds(bb);
+            t.deepEqual(fixedLngLat(transform.center, 4), {lng: -132.5, lat: 17.0027});
+            t.equal(fixedNum(transform.zoom, 3), 6.071);
+            t.end();
+        });
+
+        t.test('crossing globe-mercator threshold mercator -> globe does not affect cameraForBounds result', (t) => {
+            const map = createMap(t);
+            map.setProjection('globe');
+            const bb = [[-133, 16], [-68, 50]];
+
+            let transform;
+
+            map.setZoom(10);
+            map._updateProjectionTransition();
+
+            t.equal(map.transform.projection.name, "mercator");
+
+            transform = map.cameraForBounds(bb);
+            t.deepEqual(fixedLngLat(transform.center, 4), {lng: -100.5, lat: 34.716});
+            t.equal(fixedNum(transform.zoom, 3), 0.75);
+
+            map.setZoom(0);
+            map._updateProjectionTransition();
+
+            t.equal(map.transform.projection.name, "globe");
+
+            transform = map.cameraForBounds(bb);
+            t.deepEqual(fixedLngLat(transform.center, 4), {lng: -100.5, lat: 34.716});
+            t.equal(fixedNum(transform.zoom, 3), 0.75);
+            t.end();
+        });
+
+        t.end();
+    });
+
     t.test('#setStyle', (t) => {
         t.test('returns self', (t) => {
             t.stub(Map.prototype, '_detectMissingCSS');