Files
weatherreporter/internal/generatedtext/hourly_test.go

103 lines
3.4 KiB
Go

package generatedtext
import (
"strings"
"testing"
)
func TestValidateHourlyNormalizesJSON(t *testing.T) {
value, normalized, err := ValidateHourly([]byte(`{
"summary": " Storm chances increase. ",
"forecast_discussion": " A front will keep the region unsettled. ",
"precipitation_timing": " Showers are most likely early this afternoon. ",
"confidence": " Medium "
}`))
if err != nil {
t.Fatalf("ValidateHourly() error = %v", err)
}
if value.Summary != "Storm chances increase." {
t.Fatalf("Summary = %q, want trimmed summary", value.Summary)
}
if value.ForecastDiscussion != "A front will keep the region unsettled." {
t.Fatalf("ForecastDiscussion = %q, want trimmed discussion", value.ForecastDiscussion)
}
if value.PrecipitationTiming != "Showers are most likely early this afternoon." {
t.Fatalf("PrecipitationTiming = %q, want trimmed precipitation timing", value.PrecipitationTiming)
}
want := `{"summary":"Storm chances increase.","forecast_discussion":"A front will keep the region unsettled.","precipitation_timing":"Showers are most likely early this afternoon.","confidence":"Medium"}`
if string(normalized) != want {
t.Fatalf("normalized = %s, want %s", normalized, want)
}
}
func TestValidateHourlyOmitsEmptyConfidence(t *testing.T) {
_, normalized, err := ValidateHourly([]byte(`{
"summary": "Storm chances increase.",
"forecast_discussion": "A front will keep the region unsettled.",
"precipitation_timing": " ",
"confidence": " "
}`))
if err != nil {
t.Fatalf("ValidateHourly() error = %v", err)
}
want := `{"summary":"Storm chances increase.","forecast_discussion":"A front will keep the region unsettled."}`
if string(normalized) != want {
t.Fatalf("normalized = %s, want %s", normalized, want)
}
}
func TestValidateHourlyRejectsInvalidInput(t *testing.T) {
tests := []struct {
name string
in string
want string
}{
{
name: "malformed",
in: `{`,
want: "decode hourly generated text",
},
{
name: "unknown field",
in: `{"summary":"Storm chances increase.","forecast_discussion":"A front will keep the region unsettled.","extra":"value"}`,
want: `unknown field "extra"`,
},
{
name: "missing summary",
in: `{"forecast_discussion":"A front will keep the region unsettled."}`,
want: "summary is required",
},
{
name: "blank forecast discussion",
in: `{"summary":"Storm chances increase.","forecast_discussion":" "}`,
want: "forecast discussion is required",
},
{
name: "old timing field rejected",
in: `{"summary":"Storm chances increase.","forecast_discussion":"A front will keep the region unsettled.","timing":"Late morning."}`,
want: `unknown field "timing"`,
},
{
name: "old impacts field rejected",
in: `{"summary":"Storm chances increase.","forecast_discussion":"A front will keep the region unsettled.","impacts":"Brief downpours."}`,
want: `unknown field "impacts"`,
},
{
name: "multiple values",
in: `{"summary":"Storm chances increase.","forecast_discussion":"A front will keep the region unsettled."} {}`,
want: "multiple JSON values",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
_, _, err := ValidateHourly([]byte(test.in))
if err == nil {
t.Fatal("ValidateHourly() error = nil, want error")
}
if !strings.Contains(err.Error(), test.want) {
t.Fatalf("ValidateHourly() error = %v, want %q", err, test.want)
}
})
}
}