Eric Rakestraw
2c472449e8
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116 lines
2.9 KiB
Go
116 lines
2.9 KiB
Go
package spc
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import (
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"strings"
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"testing"
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"time"
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)
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func TestDecodeGeoJSONExposesSPCPropertiesAndCompactGeometry(t *testing.T) {
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raw := readTestFile(t, "day1_cat.geojson")
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got, err := DecodeGeoJSON(raw)
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if err != nil {
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t.Fatalf("DecodeGeoJSON() error = %v", err)
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}
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if got.Type != "FeatureCollection" {
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t.Fatalf("Type = %q, want FeatureCollection", got.Type)
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}
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if len(got.Features) != 1 {
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t.Fatalf("Features length = %d, want 1", len(got.Features))
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}
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feature := got.Features[0]
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props := feature.Properties
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if props.ValidISO != "2026-06-11T13:00:00Z" {
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t.Fatalf("VALID_ISO = %q", props.ValidISO)
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}
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if props.ExpireISO != "2026-06-12T12:00:00Z" {
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t.Fatalf("EXPIRE_ISO = %q", props.ExpireISO)
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}
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if props.IssueISO != "2026-06-11T12:34:56Z" {
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t.Fatalf("ISSUE_ISO = %q", props.IssueISO)
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}
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if props.Forecaster != "SMITH" {
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t.Fatalf("FORECASTER = %q", props.Forecaster)
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}
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if props.Label != "SLGT" {
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t.Fatalf("LABEL = %q", props.Label)
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}
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if props.Label2 != "Slight Risk" {
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t.Fatalf("LABEL2 = %q", props.Label2)
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}
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if props.DN == nil || *props.DN != 3 {
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t.Fatalf("DN = %v, want 3", props.DN)
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}
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wantGeometry := `{"type":"Polygon","coordinates":[[[-91.0,38.0],[-90.0,38.0],[-90.0,39.0],[-91.0,39.0],[-91.0,38.0]]]}`
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if string(feature.Geometry) != wantGeometry {
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t.Fatalf("Geometry = %s, want %s", feature.Geometry, wantGeometry)
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}
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if strings.Contains(string(feature.Geometry), "\n") || strings.Contains(string(feature.Geometry), " ") {
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t.Fatalf("Geometry is not compact: %q", feature.Geometry)
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}
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}
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func TestDecodeGeoJSONParsesSeverityRankString(t *testing.T) {
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raw := readTestFile(t, "day2_torn.geojson")
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got, err := DecodeGeoJSON(raw)
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if err != nil {
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t.Fatalf("DecodeGeoJSON() error = %v", err)
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}
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props := got.Features[0].Properties
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if props.DN == nil || *props.DN != 5 {
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t.Fatalf("DN = %v, want 5", props.DN)
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}
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}
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func TestIsEmptyGeometryCollection(t *testing.T) {
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tests := []struct {
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name string
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raw string
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want bool
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}{
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{
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name: "empty geometry collection",
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raw: `{"type":"GeometryCollection","geometries":[]}`,
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want: true,
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},
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{
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name: "non-empty geometry collection",
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raw: `{"type":"GeometryCollection","geometries":[{"type":"Polygon","coordinates":[]} ]}`,
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want: false,
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},
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{
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name: "polygon",
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raw: `{"type":"Polygon","coordinates":[]}`,
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want: false,
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},
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{
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name: "invalid json",
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raw: `{`,
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want: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := IsEmptyGeometryCollection([]byte(tt.raw)); got != tt.want {
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t.Fatalf("IsEmptyGeometryCollection() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestParseISOTimestampTrimsAndReturnsUTC(t *testing.T) {
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got, err := ParseISOTimestamp(" 2026-06-11T12:34:56Z ")
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if err != nil {
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t.Fatalf("ParseISOTimestamp() error = %v", err)
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}
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want := time.Date(2026, 6, 11, 12, 34, 56, 0, time.UTC)
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if !got.Equal(want) {
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t.Fatalf("ParseISOTimestamp() = %s, want %s", got, want)
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}
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}
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