Remove unused Builder/Executor functions and members

test/spec/ol/render/canvas/textbuilder.test.js

@@ -0,0 +1,87 @@
+import Feature from '../../../../../src/ol/Feature.js';
+import MultiPolygon from '../../../../../src/ol/geom/MultiPolygon.js';
+import Polygon from '../../../../../src/ol/geom/Polygon.js';
+import TextBuilder from '../../../../../src/ol/render/canvas/TextBuilder.js';
+import Executor from '../../../../../src/ol/render/canvas/Executor.js';
+import Text from '../../../../../src/ol/style/Text.js';
+import {create as createTransform} from '../../../../../src/ol/transform.js';
+
+function createBuilder() {
+  return new TextBuilder(1, [-180, -90, 180, 90], 0.02, 1, true);
+}
+
+function createContext() {
+  return {
+    fill: function() {},
+    stroke: function() {},
+    beginPath: function() {},
+    clip: function() {},
+    moveTo: function() {},
+    lineTo: function() {},
+    closePath: function() {},
+    setLineDash: function() {},
+    save: function() {},
+    restore: function() {}
+  };
+}
+
+function executeInstructions(builder, expectedDrawTextImageCalls, expectedBuilderImageCalls) {
+  const transform = createTransform();
+  const context = createContext();
+  const executor = new Executor([-180, -90, 180, 90], 0.02, 1, false, null, builder.finish());
+  sinon.spy(executor, 'drawTextImageWithPointPlacement_');
+  const replayImageStub = sinon.stub(executor, 'replayImage_');
+  executor.execute(context, transform);
+  expect(executor.drawTextImageWithPointPlacement_.callCount).to.be(expectedDrawTextImageCalls);
+  expect(replayImageStub.callCount).to.be(expectedBuilderImageCalls);
+}
+
+describe('ol.render.canvas.TextBuilder', function() {
+
+  it('renders polygon labels only when they fit', function() {
+    let builder = createBuilder();
+    const geometry = new Polygon([[[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]]]);
+    const feature = new Feature(geometry);
+
+    builder.setTextStyle(new Text({
+      text: 'This is a long text'
+    }));
+    builder.drawText(geometry, feature);
+    expect(builder.instructions.length).to.be(3);
+    executeInstructions(builder, 1, 0);
+
+
+    builder = createBuilder();
+    builder.setTextStyle(new Text({
+      text: 'short'
+    }));
+    builder.drawText(geometry, feature);
+    expect(builder.instructions.length).to.be(3);
+    executeInstructions(builder, 1, 1);
+  });
+
+  it('renders multipolygon labels only when they fit', function() {
+    const geometry = new MultiPolygon([
+      [[[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]]],
+      [[[1, 1], [1, 2], [2, 2], [2, 1], [1, 1]]]
+    ]);
+    const feature = new Feature(geometry);
+
+    let builder = createBuilder();
+    builder.setTextStyle(new Text({
+      text: 'This is a long text'
+    }));
+    builder.drawText(geometry, feature);
+    expect(builder.instructions.length).to.be(3);
+    executeInstructions(builder, 1, 0);
+
+    builder = createBuilder();
+    builder.setTextStyle(new Text({
+      text: 'short'
+    }));
+    builder.drawText(geometry, feature);
+    expect(builder.instructions.length).to.be(3);
+    executeInstructions(builder, 1, 2);
+  });
+
+});