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Compare recent changes from module snapshots

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This commit is contained in:
Eric Rakestraw
2026-06-09 21:20:53 +00:00
parent 479d144592
commit 816cfb24aa
17 changed files with 508 additions and 346 deletions
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59
internal/changes/three_day_test.go
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@@ -2,41 +2,13 @@ package changes
import (
"testing"
"time"
"gitea.maximumdirect.net/eric/weatherreporter/internal/briefing"
"gitea.maximumdirect.net/eric/weatherreporter/internal/forecast"
"gitea.maximumdirect.net/eric/weatherreporter/internal/report"
"gitea.maximumdirect.net/eric/weatherreporter/internal/module"
)
func TestCompareThreeDayDetectsDayChanges(t *testing.T) {
previousTemp := 70.0
currentTemp := 78.0
previousPrecip := 20.0
currentPrecip := 70.0
previous := briefing.Package{
Metadata: briefing.Metadata{ReportID: report.ThreeDay},
ThreeDay: &briefing.ThreeDay{Days: []briefing.OutlookDay{{
Date: "2026-05-29",
Temperature: forecast.Range{Max: &previousTemp},
MaxPrecipitationProbability: &forecast.TimedValue{
Value: previousPrecip,
Time: time.Date(2026, 5, 29, 9, 0, 0, 0, time.UTC),
},
}}},
}
current := briefing.Package{
Metadata: briefing.Metadata{ReportID: report.ThreeDay},
ThreeDay: &briefing.ThreeDay{Days: []briefing.OutlookDay{{
Date: "2026-05-29",
Temperature: forecast.Range{Max: &currentTemp},
MaxPrecipitationProbability: &forecast.TimedValue{
Value: currentPrecip,
Time: time.Date(2026, 5, 29, 12, 0, 0, 0, time.UTC),
},
Dayparts: []forecast.DaypartSummary{{Indicators: forecast.Indicators{Snow: true}}},
}}},
}
previous := outlookSnapshot(t, "2026-05-29", "70", 20, "9 AM", false)
current := outlookSnapshot(t, "2026-05-29", "78", 70, "12 PM", true)
changes, err := CompareThreeDay(previous, current, Thresholds{
TemperatureDegrees: 5,
@@ -50,17 +22,20 @@ func TestCompareThreeDayDetectsDayChanges(t *testing.T) {
if len(changes) == 0 {
t.Fatal("changes length = 0, want detected 3-day changes")
}
var foundPrecip bool
var foundSnow bool
for _, change := range changes {
if change.Type == "outlook_precip_probability_change" {
foundPrecip = true
}
if change.Type == "outlook_snow_risk_change" {
foundSnow = true
}
}
if !foundPrecip || !foundSnow {
if countType(changes, "outlook_precip_probability_change") == 0 || countType(changes, "outlook_snow_risk_change") == 0 {
t.Fatalf("changes = %#v, want precipitation and snow changes", changes)
}
}
func outlookSnapshot(t *testing.T, date string, tempRange string, precip int, precipTime string, snow bool) module.Snapshot {
t.Helper()
return snapshot(t, module.Output{ID: module.DerivedDaypartSummaries, StanzaName: "derived_daypart_summaries", Value: map[string]daypartSummaryStanza{
date + "_morning": {
Period: period(date+"T06:00:00Z", date+"T10:00:00Z"),
TempRangeF: tempRange,
MaxPopPercent: &precip,
MaxPopTime: precipTime,
Snow: snow,
},
}})
}