JSON support.

tests/json_test.go

@@ -0,0 +1,68 @@
+package tests
+
+import (
+	"encoding/json"
+	"math"
+	"testing"
+	"time"
+
+	"github.com/ncruces/go-sqlite3"
+	"github.com/ncruces/go-sqlite3/driver"
+	"github.com/ncruces/julianday"
+)
+
+func TestJSON(t *testing.T) {
+	t.Parallel()
+
+	db, err := driver.Open(":memory:", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+
+	_, err = db.Exec(`CREATE TABLE IF NOT EXISTS test (col)`)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	reference := time.Date(2013, 10, 7, 4, 23, 19, 120_000_000, time.FixedZone("", -4*3600))
+
+	_, err = db.Exec(
+		`INSERT INTO test (col) VALUES (?), (?), (?), (?)`,
+		nil, 1, math.Pi, reference,
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = db.Exec(
+		`INSERT INTO test (col) VALUES (?), (?), (?), (?)`,
+		sqlite3.JSON(math.Pi), sqlite3.JSON(false),
+		julianday.Format(reference), sqlite3.JSON([]string{}))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	rows, err := db.Query("SELECT * FROM test")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	want := []string{
+		"null", "1", "3.141592653589793",
+		`"2013-10-07T04:23:19.12-04:00"`,
+		"3.141592653589793", "false",
+		"2456572.849526851851852", "[]",
+	}
+	for rows.Next() {
+		var got json.RawMessage
+		err = rows.Scan(sqlite3.JSON(&got))
+		if err != nil {
+			t.Fatal(err)
+		}
+		if string(got) != want[0] {
+			t.Errorf("got %q, want %q", got, want[0])
+		}
+		want = want[1:]
+	}
+}