2026-09-27 00:45:24 +08:00
1 changed files with 190 additions and 0 deletions
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+/**
+ * 标题工具函数单测 — 提升覆盖率到 50% 阈值以上
+ */
+import { describe, it, expect } from "vitest"
+import {
+  titleStyleConfigToCamel,
+  camelToTitleStyleConfig,
+  buildPresetPreviewSettings,
+  templateToPreviewSettings,
+} from "@/components/title/utils"
+import {
+  getFontFamily,
+  getTitlePreset,
+  TITLE_PRESETS,
+  FONT_OPTIONS,
+} from "@/components/title/constants"
+import { DEFAULT_TITLE_SETTINGS_FULL } from "@/pages/generate/types"
+import type { TitleStyleConfig } from "@/components/title/types"
+import type { TitleTemplate } from "@/components/title/template-types"
+
+describe("getFontFamily", () => {
+  it("已知字体名返回对应 family 栈", () => {
+    const f = getFontFamily("思源黑体")
+    expect(f).toContain("Noto Sans SC")
+  })
+
+  it("未知字体名回退到思源黑体", () => {
+    const f = getFontFamily("not-exist-font")
+    expect(f).toBe(FONT_OPTIONS[4].family)
+  })
+
+  it("新增书法字体能查到", () => {
+    expect(getFontFamily("马善政毛笔")).toContain("Ma Shan Zheng")
+    expect(getFontFamily("站酷小薇体")).toContain("ZCOOL XiaoWei")
+  })
+})
+
+describe("getTitlePreset", () => {
+  it("合法 key 返回对应 preset", () => {
+    const p = getTitlePreset(TITLE_PRESETS[0].key)
+    expect(p).toBeDefined()
+    expect(p?.key).toBe(TITLE_PRESETS[0].key)
+  })
+
+  it("不存在的 key 返回 undefined", () => {
+    expect(getTitlePreset("__not_exist__")).toBeUndefined()
+  })
+})
+
+describe("titleStyleConfigToCamel", () => {
+  it("snake_case 字段映射到 camelCase", () => {
+    const cfg: Partial<TitleStyleConfig> = {
+      font: "思源黑体",
+      size: 48,
+      pos_x: 10,
+      pos_y: 20,
+      line_height: 1.4,
+      margin_top: 30,
+      max_chars_per_line: 8,
+      stroke_width: 4,
+      stroke_color: "#000",
+      shadow_offset_x: 2,
+      bg_enabled: true,
+      bg_padding: 12,
+      bg_radius: 6,
+    }
+    const out = titleStyleConfigToCamel(cfg)
+    expect(out.font).toBe("思源黑体")
+    expect(out.size).toBe(48)
+    expect(out.posX).toBe(10)
+    expect(out.posY).toBe(20)
+    expect(out.lineHeight).toBe(1.4)
+    expect(out.marginTop).toBe(30)
+    expect(out.maxCharsPerLine).toBe(8)
+    expect(out.strokeWidth).toBe(4)
+    expect(out.strokeColor).toBe("#000")
+    expect(out.shadowOffsetX).toBe(2)
+    expect(out.bgEnabled).toBe(true)
+    expect(out.bgPadding).toBe(12)
+    expect(out.bgRadius).toBe(6)
+  })
+
+  it("空对象返回空对象", () => {
+    expect(titleStyleConfigToCamel({})).toEqual({})
+  })
+})
+
+describe("camelToTitleStyleConfig", () => {
+  it("camelCase 字段映射到 snake_case", () => {
+    const out = camelToTitleStyleConfig({
+      font: "思源宋体",
+      size: 36,
+      posX: 5,
+      posY: 15,
+      strokeWidth: 2,
+      shadowBlur: 8,
+      bgEnabled: false,
+    })
+    expect(out.font).toBe("思源宋体")
+    expect(out.pos_x).toBe(5)
+    expect(out.pos_y).toBe(15)
+    expect(out.stroke_width).toBe(2)
+    expect(out.shadow_blur).toBe(8)
+    expect(out.bg_enabled).toBe(false)
+  })
+
+  it("两种转换在已知字段上往返一致", () => {
+    const camel = {
+      font: "优设标题黑",
+      size: 56,
+      color: "#ffffff",
+      stroke: true,
+      strokeWidth: 6,
+      bold: true,
+      shadow: true,
+      shadowOffsetX: 3,
+      shadowOffsetY: 3,
+      shadowBlur: 10,
+      bgEnabled: true,
+      bgColor: "#000000",
+      bgPadding: 16,
+      bgRadius: 8,
+    } as const
+    const snake = camelToTitleStyleConfig({ ...camel })
+    const back = titleStyleConfigToCamel(snake)
+    for (const k of Object.keys(camel) as (keyof typeof camel)[]) {
+      expect(back[k]).toBe(camel[k])
+    }
+  })
+})
+
+describe("buildPresetPreviewSettings", () => {
+  it("未知 preset key 返回 base", () => {
+    const base = { ...DEFAULT_TITLE_SETTINGS_FULL, size: 32 }
+    const out = buildPresetPreviewSettings(base, "__no_such_preset__")
+    expect(out).toBe(base)
+  })
+
+  it("合法 preset 返回固定字号并缩放描边/阴影/padding", () => {
+    const key = TITLE_PRESETS[0].key
+    const out = buildPresetPreviewSettings(DEFAULT_TITLE_SETTINGS_FULL, key, 56)
+    expect(out.size).toBe(56)
+    expect(Array.isArray(out.lineOverrides)).toBe(true)
+  })
+})
+
+describe("templateToPreviewSettings", () => {
+  it("按模板 style 合并默认值，固定字号并缩放装饰尺寸", () => {
+    const tpl: TitleTemplate = {
+      id: "tpl-test",
+      name: "测试模板",
+      category: "test",
+      thumbnail_url: "",
+      is_system: true,
+      style: {
+        font: "思源黑体",
+        size: 72,
+        color: "#ffd700",
+        stroke: true,
+        stroke_width: 8,
+        shadow: true,
+        shadow_offset_x: 4,
+        shadow_offset_y: 4,
+        shadow_blur: 12,
+        bg_enabled: false,
+        bg_padding: 24,
+        bg_radius: 0,
+      },
+    }
+    const out = templateToPreviewSettings(tpl, 48)
+    expect(out.size).toBe(48)
+    expect(out.color).toBe("#ffd700")
+    expect(out.strokeWidth).toBe(Math.max(1, Math.round((48 / 72) * 8)))
+    expect(out.shadowBlur).toBe(Math.round((48 / 72) * 12))
+    expect(Array.isArray(out.lineOverrides)).toBe(true)
+  })
+
+  it("模板未指定 size 时使用默认 size（不触发缩放）", () => {
+    const tpl: TitleTemplate = {
+      id: "tpl-no-size",
+      name: "无字号模板",
+      category: "test",
+      thumbnail_url: "",
+      is_system: false,
+      style: { font: "思源黑体" },
+    }
+    const out = templateToPreviewSettings(tpl, 48)
+    expect(out.size).toBeDefined()
+  })
+})