test: add linear progress chart spec coverage

packages/vmind/__tests__/unit/getChartSpecWithContext_linearProgress.test.ts

@@ -0,0 +1,98 @@
+import { getChartSpecWithContext } from '../../src/atom/chartGenerator/spec';
+import { ChartType } from '../../src/types';
+
+const dataTable = [
+  { name: 'Task A', value: 0.8 },
+  { name: 'Task B', value: 0.6 }
+];
+
+describe('getChartSpecWithContext - Linear Progress Chart', () => {
+  it('should generate correct linear progress spec', () => {
+    const context = {
+      chartTypeList: Object.values(ChartType),
+      dataTable,
+      cell: {
+        x: 'name',
+        y: 'value'
+      },
+      chartType: ChartType.LinearProgress.toUpperCase(),
+      spec: {}
+    };
+
+    const { chartType, spec } = getChartSpecWithContext(context);
+
+    expect(chartType).toBe(ChartType.LinearProgress);
+    expect(spec.type).toBe('linearProgress');
+    expect(spec.xField).toBe('value');
+    expect(spec.yField).toBe('name');
+    expect(spec.seriesField).toBe('name');
+    expect(spec.cornerRadius).toBe(20);
+    expect(spec.data.values).toEqual(dataTable);
+    expect(spec.axes).toHaveLength(2);
+    expect(spec.axes[0]).toMatchObject({
+      orient: 'left',
+      type: 'band',
+      domainLine: { visible: false },
+      tick: { visible: false },
+      label: { formatMethod: null }
+    });
+    expect(spec.axes[1]).toMatchObject({
+      orient: 'bottom',
+      type: 'linear',
+      grid: { visible: false },
+      label: { flush: true }
+    });
+    expect(typeof spec.axes[1].label.formatMethod).toBe('function');
+    expect(spec.axes[1].label.formatMethod(0.8)).toBe('80%');
+    expect(spec.axes[1].label.formatMethod(1.5)).toBe(1.5);
+  });
+
+  it('should use single-data label formatting on band axis', () => {
+    const singleDataTable = [{ name: 'Task A', value: 0.75 }];
+    const context = {
+      chartTypeList: Object.values(ChartType),
+      dataTable: singleDataTable,
+      cell: {
+        x: 'name',
+        y: 'value'
+      },
+      chartType: ChartType.LinearProgress.toUpperCase(),
+      spec: {}
+    };
+
+    const { chartType, spec } = getChartSpecWithContext(context);
+
+    expect(chartType).toBe(ChartType.LinearProgress);
+    expect(spec.type).toBe('linearProgress');
+    expect(spec.data.values).toEqual(singleDataTable);
+    expect(typeof spec.axes[0].label.formatMethod).toBe('function');
+    expect(spec.axes[0].label.formatMethod('Task A')).toBe('name: Task A');
+  });
+
+  it('should map color field to seriesField', () => {
+    const coloredDataTable = [
+      { project: 'A', completion: 0.7, department: 'Engineering' },
+      { project: 'B', completion: 0.5, department: 'Marketing' }
+    ];
+    const context = {
+      chartTypeList: Object.values(ChartType),
+      dataTable: coloredDataTable,
+      cell: {
+        x: 'project',
+        y: 'completion',
+        color: 'department'
+      },
+      chartType: ChartType.LinearProgress.toUpperCase(),
+      spec: {}
+    };
+
+    const { chartType, spec } = getChartSpecWithContext(context);
+
+    expect(chartType).toBe(ChartType.LinearProgress);
+    expect(spec.type).toBe('linearProgress');
+    expect(spec.xField).toBe('completion');
+    expect(spec.yField).toBe('project');
+    expect(spec.seriesField).toBe('department');
+    expect(spec.data.values).toEqual(coloredDataTable);
+  });
+});