test: unit tests for layoutsize

vega · Jul 4, 2019 · b6bb8e6 · b6bb8e6
1 parent f08f043
commit b6bb8e6
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diff --git a/test/compile/layoutsize/init.test.ts b/test/compile/layoutsize/init.test.ts
@@ -0,0 +1,23 @@
+import * as log from '../../../src/log';
+import {parseUnitModelWithScaleAndLayoutSize} from '../../util';
+
+describe('compile/layout', () => {
+  describe('initLayoutSize', () => {
+    it(
+      'should have step-based width/height for ordinal x,y',
+      log.wrap(localLogger => {
+        const model = parseUnitModelWithScaleAndLayoutSize({
+          mark: 'point',
+          width: {step: 20},
+          encoding: {
+            x: {field: 'a', type: 'quantitative'}
+          }
+        });
+
+        expect(localLogger.warns[0]).toEqual(log.message.cannotUseStepWithContinuous('width'));
+
+        expect(model.component.layoutSize.get('width')).toBe(200);
+      })
+    );
+  });
+});
diff --git a/test/compile/layoutsize/parse.test.ts b/test/compile/layoutsize/parse.test.ts
@@ -91,5 +91,17 @@ describe('compile/layout', () => {
       expect(model.component.layoutSize.get('width')).toBe('step');
       expect(model.component.layoutSize.get('height')).toBe('step');
     });
+
+    it('should have step-based width/height for ordinal x,y', () => {
+      const model = parseUnitModelWithScaleAndLayoutSize({
+        mark: 'point',
+        encoding: {
+          x: {field: 'a', type: 'ordinal'},
+          y: {field: 'b', type: 'ordinal'}
+        }
+      });
+
+      expect(model.component.layoutSize.get('width')).toBe('step');
+    });
   });
 });