b612
2bf8478639
- 新增日月食中心带、偏食带、阴影足迹、等时线、食分线及升落边界计算，支持极区与混合食拓扑 - 新增日食单时刻阴影求解器、站心状态查询、批量采样和 ΔT 覆盖接口 - 重构恒星与行星月掩路径，补充有限盘面接触、站心修正、掩带宽度、极区投影及升落边界 - 扩展 SVG 与 GeoJSON 输出，支持详细面板、全球/极区/地球投影、边界闭合、时间标记和拓扑签名 - 扩展日月食候选搜索、局地搜索、沙罗序列预计算与范围外推，补充系列锚点和成员一致性校验 - 补齐古历纪年、儒略历独有闰日、多公历候选、历法改革跨日及精确日期运算接口 - 优化 ΔT、章动、恒星时、月球地平线、事件根搜索和本地星历缓存，降低重复计算开销并提升边界稳定
45 lines
1.5 KiB
Go
45 lines
1.5 KiB
Go
package svg
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import (
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"testing"
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"time"
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)
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// 详细版式必须按 Height 推导版面：放得下的尺寸不得有任何 text/rect 越界，放不下的尺寸必须明确拒绝。
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func TestLunarEclipseDetailedSVGLayoutFitsCanvas(t *testing.T) {
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date := time.Date(2025, time.March, 14, 0, 0, 0, 0, time.UTC)
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for _, test := range []struct {
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name string
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width, height int
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accepted bool
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}{
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{name: "small landscape", width: 640, height: 420},
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{name: "small landscape 800", width: 800, height: 600},
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{name: "nasa page", width: 1000, height: 1414, accepted: true},
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{name: "wide page", width: 1414, height: 1000, accepted: true},
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} {
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t.Run(test.name, func(t *testing.T) {
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rendered, ok := LunarEclipseDetailedSVG(date, LunarEclipseDetailedSVGOptions{
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Width: test.width, Height: test.height, Location: time.UTC,
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})
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if ok != test.accepted {
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t.Fatalf("%dx%d accepted = %v, want %v", test.width, test.height, ok, test.accepted)
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}
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if !test.accepted {
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if rendered != "" {
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t.Fatalf("%dx%d rejected the canvas but returned %d bytes", test.width, test.height, len(rendered))
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}
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return
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}
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assertSVGElementsInCanvas(t, rendered, test.width, test.height)
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})
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}
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// 零值走文档默认开本，版式必须落在画布内。
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defaulted, ok := LunarEclipseDetailedSVG(date, LunarEclipseDetailedSVGOptions{Location: time.UTC})
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if !ok {
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t.Fatal("default canvas was rejected")
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}
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assertSVGElementsInCanvas(t, defaulted, 1000, 1414)
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}
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