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Tests: typed columns, null, and the load check that every render parses as its datatype

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This commit is contained in:
Lilleman auf Larv
2026-09-15 11:17:21 +02:00
parent 7e789d470f
commit 044294dd90
4 changed files with 252 additions and 14 deletions
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record_test.go
+43 -8
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@@ -3,6 +3,7 @@ package fejkdata
import (
"encoding/csv"
"encoding/json"
"reflect"
"strings"
"testing"
)
@@ -133,18 +134,52 @@ func TestRecordCSV(t *testing.T) {
}
func TestRecordCSVEmptyValueStaysARow(t *testing.T) {
dir := writeData(t, map[string]string{"blank": `{"format": "", "note": ""}`})
f := newGenerator(t, dir, WithSeed(1))
r, err := f.FakeRecord("blank")
for _, body := range []string{`{"format": "", "note": ""}`, `{"format": "", "note": null}`} {
f := newGenerator(t, writeData(t, map[string]string{"blank": body}), WithSeed(1))
r, err := f.FakeRecord("blank")
if err != nil {
t.Fatal(err)
}
rows, err := csv.NewReader(strings.NewReader(r.CSVHeader() + "\n" + r.CSVLine() + "\n")).ReadAll()
if err != nil {
t.Fatalf("csv: %v", err)
}
if len(rows) != 2 || len(rows[1]) != 1 || rows[1][0] != "" {
t.Fatalf("%s: one empty column parsed to %v, want a header and one row of one empty field", body, rows)
}
}
}
func TestRecordWritesTypedAndNullColumns(t *testing.T) {
dir := writeData(t, map[string]string{
"row": `{"format":"","age":{"format":"42","datatype":"integer"},"gone":null,"name":"O'Brien","nick":"","paid":{"format":"true","datatype":"boolean"},"price":{"format":"19.99","datatype":"number"}}`,
})
r, err := newGenerator(t, dir, WithSeed(1)).FakeRecord("row")
if err != nil {
t.Fatal(err)
}
rows, err := csv.NewReader(strings.NewReader(r.CSVHeader() + "\n" + r.CSVLine() + "\n")).ReadAll()
if err != nil {
t.Fatalf("csv: %v", err)
want := []Column{
{Name: "age", DataType: DataTypeInteger, Value: "42"},
{Name: "gone", Null: true},
{Name: "name", Value: "O'Brien"},
{Name: "nick"},
{Name: "paid", DataType: DataTypeBoolean, Value: "true"},
{Name: "price", DataType: DataTypeNumber, Value: "19.99"},
}
if len(rows) != 2 || len(rows[1]) != 1 || rows[1][0] != "" {
t.Fatalf("one empty column parsed to %v, want a header and one row of one empty field", rows)
if got := r.Columns(); !reflect.DeepEqual(got, want) {
t.Errorf("Columns() = %+v, want %+v", got, want)
}
if got, want := r.JSON(), `{"age":42,"gone":null,"name":"O'Brien","nick":"","paid":true,"price":19.99}`; got != want {
t.Errorf("JSON() = %s, want %s", got, want)
}
if got, want := r.SQLInsert("t"), `INSERT INTO "t" ("age", "gone", "name", "nick", "paid", "price") VALUES (42, NULL, 'O''Brien', '', true, 19.99);`; got != want {
t.Errorf("SQLInsert() = %s, want %s", got, want)
}
if got, want := r.CSVLine(), `42,,O'Brien,"",true,19.99`; got != want {
t.Errorf("CSVLine() = %s, want %s: null an unquoted empty field, an empty string quoted", got, want)
}
if got := DataTypeNumber.String(); got != "number" {
t.Errorf("DataTypeNumber.String() = %q, want the data's spelling", got)
}
}