1 files changed, 68 insertions, 0 deletions
diff --git a/platform/node/test/js/request.test.js b/platform/node/test/js/request.test.js
new file mode 100644
index 0000000000..9715633e39
--- /dev/null
+++ b/platform/node/test/js/request.test.js
@@ -0,0 +1,68 @@
+'use strict';
+
+var mockfs = require('../mockfs');
+var mbgl = require('../../index');
+var test = require('tape');
+
+[ 'sprite_png', 'sprite_json', 'source_vector', 'glyph' ].forEach(function (resource) {
+    test(`render reports an error when the request function responds with an error (${resource})`, function(t) {
+        var map = new mbgl.Map({
+            request: function(req, callback) {
+                var data = mockfs.dataForRequest(req);
+                if (mockfs[resource] === data) {
+                    callback(new Error('message'));
+                } else {
+                    callback(null, { data: data });
+                }
+            }
+        });
+        map.load(mockfs.style_vector);
+        map.render({ zoom: 16 }, function(err, pixels) {
+            t.assert(err);
+            t.assert(/message/.test(err.message));
+            t.assert(!pixels);
+            t.end();
+        });
+    });
+});
+
+[ 'vector', 'raster' ].forEach(function (type) {
+    test(`render does not report an error when the request function responds with no data for a tile (${type})`, function(t) {
+        var map = new mbgl.Map({
+            request: function(req, callback) {
+                var data = mockfs.dataForRequest(req);
+                if (mockfs[`tile_${type}`] === data) {
+                    callback();
+                } else {
+                    callback(null, { data: data });
+                }
+            }
+        });
+        map.load(mockfs[`style_${type}`]);
+        map.render({ zoom: 16 }, function(err, pixels) {
+            t.error(err);
+            t.assert(pixels);
+            t.end();
+        });
+    });
+
+    test(`render reports an error when the request function responds with an error for a tile (${type})`, function(t) {
+        var map = new mbgl.Map({
+            request: function(req, callback) {
+                var data = mockfs.dataForRequest(req);
+                if (mockfs[`tile_${type}`] === data) {
+                    callback(new Error('message'));
+                } else {
+                    callback(null, { data: data });
+                }
+            }
+        });
+        map.load(mockfs[`style_${type}`]);
+        map.render({ zoom: 16 }, function(err, pixels) {
+            t.assert(err);
+            t.assert(/message/.test(err.message));
+            t.assert(!pixels);
+            t.end();
+        });
+    });
+});