Going red: attributes service do not support special numeric values (Infinity, -Infinity, NaN)

2017-06-27 11:21:05 +02:00
parent 15b88c6a67
commit 13764e18ce
2 changed files with 171 additions and 1 deletions
@@ -0,0 +1,71 @@
+require('../support/test_helper');
+
+var assert = require('../support/assert');
+var TestClient = require('../support/test-client');
+
+describe('special numeric values', function() {
+
+    afterEach(function(done) {
+        if (this.testClient) {
+            this.testClient.drain(done);
+        } else {
+            done();
+        }
+    });
+
+    var ATTRIBUTES_LAYER = 1;
+
+    function createMapConfig(sql, id, columns) {
+        return {
+            version: '1.6.0',
+            layers: [
+                {
+                    type: 'mapnik',
+                    options: {
+                        sql: "select 1 as id, 'SRID=4326;POINT(0 0)'::geometry as the_geom",
+                        cartocss: '#style { }',
+                        cartocss_version: '2.0.1'
+                    }
+                },
+                {
+                    type: 'mapnik',
+                    options: {
+                        sql: sql || "select 1 as i, 6 as n, 'SRID=4326;POINT(0 0)'::geometry as the_geom",
+                        attributes: {
+                            id: id || 'i',
+                            columns: columns || ['n']
+                        },
+                        cartocss: '#style { }',
+                        cartocss_version: '2.0.1'
+                    }
+                }
+          ]
+        };
+    }
+
+    it('should retrieve special numeric values', function (done) {
+        var featureId = 1;
+        var sql = [
+            'SELECT',
+            '  1 as cartodb_id,',
+            '  null::geometry the_geom_webmercator,',
+            '  \'infinity\'::float as infinity,',
+            '  \'-infinity\'::float as _infinity,',
+            '  \'NaN\'::float as nan'
+        ].join('\n');
+        var id = 'cartodb_id';
+        var columns = ['infinity', '_infinity', 'nan'];
+
+        var mapConfig = createMapConfig(sql, id, columns);
+
+        this.testClient = new TestClient(mapConfig, 1234);
+        this.testClient.getFeatureAttributes(featureId, ATTRIBUTES_LAYER, {}, function (err, attributes) {
+            assert.ifError(err);
+            assert.equal(attributes.infinity, 'Infinity');
+            assert.equal(attributes._infinity, '-Infinity');
+            assert.equal(attributes.nan, 'NaN');
+            done();
+        });
+    });
+});
+