chore(word-cloud): 主要完善词云图的测试用例 (#1745)

* chore(word-cloud): 主要完善词云图的测试用例 * refactor(word-cloud/shapes): 删除冗余代码，提高测试覆盖率
antvis · Oct 16, 2020 · f7febd6 · f7febd6
1 parent b5df7c9
commit f7febd6
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Showing 5 changed files with 168 additions and 83 deletions.
diff --git a/__tests__/unit/utils/transform/word-cloud-spec.ts b/__tests__/unit/utils/transform/word-cloud-spec.ts
@@ -1,16 +1,22 @@
 import DataSet from '@antv/data-set';
-import { DataItem, wordCloud } from '../../../../src/utils/transform/word-cloud';
+import { DataItem } from '../../../../src/plots/word-cloud/types';
+import { processImageMask } from '../../../../src/plots/word-cloud/utils';
+import { wordCloud, transform } from '../../../../src/utils/transform/word-cloud';
+
+type Row = Pick<DataItem, 'text' | 'value'>;
 
 const { View } = DataSet;
 const options = {
   type: 'tag-cloud',
   fields: ['text', 'value'],
+  font: 'Impact',
   fontSize: 10,
   fontWeight: 'bold',
+  rotate: 90,
+  padding: 2,
   size: [800, 800],
-  padding: 0,
+  spiral: 'archimedean',
   timeInterval: 5000,
-  rotate: 90,
 };
 const data = ['Hello', 'world', 'normally', 'you', 'want', 'more', 'words', 'than', 'this'].map((d) => {
   return {
@@ -20,6 +26,22 @@ const data = ['Hello', 'world', 'normally', 'you', 'want', 'more', 'words', 'tha
   };
 });
 
+function basicCommon(v: DataItem) {
+  expect(v.hasText).toBe(true);
+  expect(typeof v.text).toBe('string');
+  expect(typeof v.value).toBe('number');
+  expect(typeof v.font).toBe('string');
+  expect(typeof v.style).toBe('string');
+  expect(typeof v.weight === 'number' || typeof v.weight === 'string').toBe(true);
+  expect(typeof v.rotate).toBe('number');
+  expect(typeof v.size).toBe('number');
+  expect(typeof v.padding).toBe('number');
+  expect(typeof v.width).toBe('number');
+  expect(typeof v.height).toBe('number');
+  expect(typeof v.x).toBe('number');
+  expect(typeof v.y).toBe('number');
+}
+
 describe('word-cloud', () => {
   it('with data-set', () => {
     const dv = new View();
@@ -41,38 +63,31 @@ describe('word-cloud', () => {
 
   it('default', () => {
     const result = wordCloud(data);
-    const firstRow = result[0];
-
-    expect(firstRow.hasText).toBe(true);
-    expect(typeof firstRow.x).toBe('number');
-    expect(typeof firstRow.y).toBe('number');
-    expect(typeof firstRow.text).toBe('string');
-    expect(typeof firstRow.size).toBe('number');
-    expect(typeof firstRow.font).toBe('string');
+    basicCommon(result[0]);
   });
 
   it('callback', () => {
-    const common = (row: DataItem) => {
+    const common = (row: Row) => {
       expect(typeof row.text).toBe('string');
       expect(typeof row.value).toBe('number');
     };
-    const font = (row: DataItem) => {
+    const font = (row: Row) => {
       common(row);
       return 'font-test';
     };
-    const fontWeight = (row: DataItem): any => {
+    const fontWeight = (row: Row): any => {
       common(row);
       return 'fontWeight-test';
     };
-    const fontSize = (row: DataItem) => {
+    const fontSize = (row: Row) => {
       common(row);
       return 11;
     };
-    const rotate = (row: DataItem) => {
+    const rotate = (row: Row) => {
       common(row);
       return 22;
     };
-    const padding = (row: DataItem) => {
+    const padding = (row: Row) => {
       common(row);
       return 33;
     };
@@ -94,14 +109,105 @@ describe('word-cloud', () => {
       spiral,
     });
     const firstRow = result[0];
-    expect(firstRow.hasText).toBe(true);
-    expect(typeof firstRow.x).toBe('number');
-    expect(typeof firstRow.y).toBe('number');
-    expect(typeof firstRow.text).toBe('string');
+    basicCommon(firstRow);
     expect(firstRow.font).toBe('font-test');
     expect(firstRow.weight).toBe('fontWeight-test');
     expect(firstRow.size).toBe(11);
     expect(firstRow.rotate).toBe(22);
     expect(firstRow.padding).toBe(33);
   });
+
+  it('data is empty', () => {
+    const result = wordCloud([]);
+    expect(result.length).toBe(2);
+  });
+
+  it('image mask', async () => {
+    const base64 =
+      'data:image/png;base64,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';
+
+    const img = await processImageMask(base64);
+    const result = wordCloud(data, { imageMask: img });
+    basicCommon(result[0]);
+  });
+
+  it('spiral is rectangular', () => {
+    const result = wordCloud(data, { spiral: 'rectangular' });
+    basicCommon(result[0]);
+  });
+});
+
+describe('transform', () => {
+  it('default', () => {
+    const result = transform(data, {
+      fields: ['text', 'value'],
+      size: [800, 800],
+    });
+    basicCommon(result[0]);
+  });
+
+  it('error of fields', () => {
+    expect(() => {
+      transform(data, {
+        fields: [null, null],
+        size: [800, 800],
+      });
+    }).toThrow();
+  });
+
+  it('fields is not exit', () => {
+    const result = transform(data, {
+      fields: ['a', 'b'],
+      size: [800, 800],
+    });
+
+    expect(result[0].text).toBe(undefined);
+    expect(result[0].value).toBe(undefined);
+  });
+
+  it('image mask with size is 0', async () => {
+    const base64 =
+      'data:image/png;base64,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';
+
+    const img = await processImageMask(base64);
+    const result = transform(data, {
+      fields: ['text', 'value'],
+      size: [0, 0],
+      imageMask: img,
+    });
+
+    // 画布大小为 0 时，返回的数组应为空数组，但该实现中，
+    // 最终会往返回的数组中 push 进两个元素，所以最终长度为 2。
+    expect(result.length).toBe(2);
+  });
+
+  it('timeInterval is 0', () => {
+    const result = transform(data, {
+      fields: ['text', 'value'],
+      size: [800, 800],
+      timeInterval: 0,
+    });
+
+    // 时间间隔为 0 ，也就是说不给程序运行的时间，
+    // 所以最终返回的是空数据，只包含两个占位符数据。
+    expect(result.length).toBe(2);
+  });
+
+  it('padding is 0', () => {
+    const result = transform(data, {
+      fields: ['text', 'value'],
+      size: [800, 800],
+      padding: 0,
+    });
+    basicCommon(result[0]);
+  });
+
+  it('rotate is 0', () => {
+    const result = transform(data, {
+      fields: ['text', 'value'],
+      size: [800, 800],
+      rotate: 0,
+    });
+    basicCommon(result[0]);
+  });
 });
diff --git a/src/plots/word-cloud/shapes/word-cloud.ts b/src/plots/word-cloud/shapes/word-cloud.ts
@@ -18,7 +18,7 @@ registerShape('point', 'word-cloud', {
       },
     });
     const rotate = cfg.data.rotate;
-    if (rotate) {
+    if (typeof rotate === 'number') {
       Util.rotate(shape, (rotate * Math.PI) / 180);
     }
 
@@ -35,7 +35,7 @@ function getTextAttrs(cfg: Config): ShapeAttrs {
     textAlign: 'center',
     fontFamily: cfg.data.font,
     fontWeight: cfg.data.weight,
-    fill: cfg.color || cfg.defaultStyle?.stroke,
+    fill: cfg.color,
     textBaseline: 'alphabetic',
   };
 }
diff --git a/src/plots/word-cloud/types.ts b/src/plots/word-cloud/types.ts
@@ -3,11 +3,14 @@ import { Options } from '../../types';
 
 type FontWeight = ShapeAttrs['fontWeight'];
 
-export interface DataItem {
+interface Row {
   /** 文本内容 */
   text: string;
   /** 该文本所占权重 */
   value: number;
+}
+
+export type DataItem = Row & {
   /** 字体 */
   font?: string;
   /** 字体样式 */
@@ -30,21 +33,21 @@ export interface DataItem {
   x?: number;
   /** y 轴坐标 */
   y?: number;
-}
+};
 
 /** 词云字体样式 */
 interface WordStyle {
   /** 词云的字体, 当为函数时，其参数是一个经过处理之后的数据元素的值 */
-  readonly fontFamily?: string | ((row: DataItem) => string);
+  readonly fontFamily?: string | ((row: Row) => string);
   /** 设置字体的粗细, 当为函数时，其参数是一个经过处理之后的数据元素的值 */
-  readonly fontWeight?: FontWeight | ((row: DataItem) => FontWeight);
+  readonly fontWeight?: FontWeight | ((row: Row) => FontWeight);
   /**
    * 每个单词所占的盒子的内边距，默认为 1。 越大单词之间的间隔越大。
    * 当为函数时，其参数是一个经过处理之后的数据元素的值
    */
-  readonly padding?: number | ((row: DataItem) => number);
+  readonly padding?: number | ((row: Row) => number);
   /** 字体的大小范围,当为函数时，其参数是一个经过处理之后的数据元素的值 */
-  readonly fontSize?: [number, number] | ((row: DataItem) => number);
+  readonly fontSize?: [number, number] | ((row: Row) => number);
   /** 旋转的最小角度和最大角度 默认 [0, 90] */
   readonly rotation?: [number, number];
   /** 旋转实际的步数,越大可能旋转角度越小, 默认是 2 */

diff --git a/src/plots/word-cloud/utils.ts b/src/plots/word-cloud/utils.ts
@@ -208,10 +208,6 @@ function resolveRotate(options: WordCloudOptions) {
  * @param numbers
  */
 function min(numbers: number[]) {
-  if (numbers.length === 0) {
-    throw new Error('min requires at least one data point');
-  }
-
   return Math.min(...numbers);
 }
 
@@ -221,9 +217,5 @@ function min(numbers: number[]) {
  * @param numbers
  */
 function max(numbers: number[]) {
-  if (numbers.length === 0) {
-    throw new Error('min requires at least one data point');
-  }
-
   return Math.max(...numbers);
 }