b612
044f2f4381
- 新增半解析、旧模型、自定义与多源堆叠星历实例，提供 Context、Instance、SPK 读取及状态与视位置计算 - 统一太阳、月球和行星实例接口，扩展黄经穿越、留、相位、最近角距、偕日可见、任意高度升落、轨道节点及凌日等天象查询 - 完善日月食、月掩与凌日的月缘剖面、有限盘面接触、站心修正、局地可见性、全球路径和地图输出 - 新增 SVG、GeoJSON、KML 天象输出及凌日、月掩和月缘地形相关缓存与几何求解 - 新增恒星星表导入与查询，支持 CSV、Hipparcos、BSC5、Stellarium 等格式及名称、交叉标识、锥面检索和星等过滤 - 补充 IAU 2006、地球定向、折射消光、大气观测、轨道传播及半解析行星/月球数据支持 - 将默认未来民用时标切换为 TimeScaleLeapHour，更新 2027–2400 农历速查表、中文日期解析和时区边界处理 - 增加事件基线、跨模型回归、几何边界、月缘地形和输出契约测试，完善中英文手册、示例资源、NOTICE 与忽略规则
65 lines
2.7 KiB
Go
65 lines
2.7 KiB
Go
package timenote
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import (
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"strings"
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"testing"
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"time"
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"b612.me/astro/basic"
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)
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// 时标声明里同一个 UTC 偏移只写一次：时区名本身是偏移标签（FixedZone("UTC+08:00") 之类）时不再追加偏移。
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func TestScaleWritesTheOffsetOnce(t *testing.T) {
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instant := time.Date(2025, time.June, 5, 20, 2, 6, 0, time.UTC)
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for _, test := range []struct {
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name string
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location *time.Location
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language string
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want string
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}{
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{name: "偏移型时区名", location: time.FixedZone("UTC+08:00", 8*3600), want: "图中时刻为 UTC（显示时区 UTC+08:00）"},
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{name: "偏移型时区名英文", location: time.FixedZone("UTC+08:00", 8*3600), language: "en", want: "All times are UTC (shown in UTC+08:00)"},
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{name: "整点时区名", location: time.FixedZone("UTC+8", 8*3600), want: "图中时刻为 UTC（显示时区 UTC+8）"},
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{name: "半小时偏移名", location: time.FixedZone("+05:30", 5*3600+1800), want: "图中时刻为 UTC（显示时区 +05:30）"},
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{name: "地名缩写中文", location: time.FixedZone("CST", 8*3600), want: "图中时刻为 UTC（显示时区 CST，UTC+08:00）"},
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{name: "地名缩写英文", location: time.FixedZone("EST", -5*3600), language: "en", want: "All times are UTC (shown in EST, UTC-05:00)"},
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{name: "偏移与名字不符", location: time.FixedZone("UTC+3", 8*3600), want: "图中时刻为 UTC（显示时区 UTC+3，UTC+08:00）"},
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{name: "UTC", location: time.UTC, want: "图中时刻为 UTC"},
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} {
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t.Run(test.name, func(t *testing.T) {
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got := Scale(basic.TimeScaleUTC, instant, test.location, test.language)
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if got != test.want {
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t.Fatalf("Scale() = %q, want %q", got, test.want)
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}
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if strings.Count(got, "UTC+08:00") > 1 || strings.Count(got, "UTC+8") > 1 {
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t.Fatalf("Scale() = %q, want the offset written once", got)
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}
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})
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}
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}
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func TestNamedZoneOffset(t *testing.T) {
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for _, test := range []struct {
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name string
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value string
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offset int
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ok bool
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}{
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{name: "UTC 前缀", value: "UTC+08:00", offset: 8 * 3600, ok: true},
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{name: "GMT 前缀", value: "GMT-5", offset: -5 * 3600, ok: true},
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{name: "无前缀", value: "+0800", offset: 8 * 3600, ok: true},
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{name: "带秒", value: "UTC+05:30:30", offset: 5*3600 + 30*60 + 30, ok: true},
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{name: "地名", value: "CST", ok: false},
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{name: "UTC 本身", value: "UTC", ok: false},
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{name: "小数偏移", value: "UTC+8.5", ok: false},
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{name: "分钟越界", value: "UTC+0870", ok: false},
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} {
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t.Run(test.name, func(t *testing.T) {
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offset, ok := namedZoneOffset(test.value)
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if ok != test.ok || offset != test.offset {
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t.Fatalf("namedZoneOffset(%q) = (%d, %v), want (%d, %v)", test.value, offset, ok, test.offset, test.ok)
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}
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})
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}
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}
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