Update Introspect

* Add Tests
* Fix Compile time option

sqlite3_opt_introspect.go

@@ -9,7 +9,7 @@
 package sqlite3
 
 /*
-#cgo CFLAGS: -DSQLITE_INTROSPECTION_PRAGMAS
+#cgo CFLAGS: -DSQLITE_INTROSPECTION_PRAGMAS=1
 #cgo LDFLAGS: -lm
 */
 import "C"

sqlite3_opt_introspect_test.go

@@ -0,0 +1,106 @@
+// Copyright (C) 2014 Yasuhiro Matsumoto <mattn.jp@gmail.com>.
+// Copyright (C) 2018 G.J.R. Timmer <gjr.timmer@gmail.com>.
+
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+// +build sqlite_introspect
+
+package sqlite3
+
+import (
+	"database/sql"
+	"os"
+	"testing"
+)
+
+func TestIntrospectFunctionList(t *testing.T) {
+	tempFilename := TempFilename(t)
+	defer os.Remove(tempFilename)
+
+	db, err := sql.Open("sqlite3", "file:"+tempFilename)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+	rows, err := db.Query("PRAGMA function_list;")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer rows.Close()
+
+	var list []string
+	for rows.Next() {
+		var s string
+		var s2 string
+		err := rows.Scan(&s, &s2)
+		if err != nil {
+			t.Fatal(err)
+		}
+		list = append(list, s)
+	}
+
+	if len(list) == 0 {
+		t.Fatal("Introspect: No Function List Available")
+	}
+}
+
+func TestIntrospectModuleList(t *testing.T) {
+	tempFilename := TempFilename(t)
+	defer os.Remove(tempFilename)
+
+	db, err := sql.Open("sqlite3", "file:"+tempFilename)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+	rows, err := db.Query("PRAGMA module_list;")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer rows.Close()
+
+	var list []string
+	for rows.Next() {
+		var s string
+		err := rows.Scan(&s)
+		if err != nil {
+			t.Fatal(err)
+		}
+		list = append(list, s)
+	}
+
+	if len(list) == 0 {
+		t.Fatal("Introspect: No Module List Available")
+	}
+}
+
+func TestIntrospectPRAGMAList(t *testing.T) {
+	tempFilename := TempFilename(t)
+	defer os.Remove(tempFilename)
+
+	db, err := sql.Open("sqlite3", "file:"+tempFilename)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+	rows, err := db.Query("PRAGMA pragma_list;")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer rows.Close()
+
+	var list []string
+	for rows.Next() {
+		var s string
+		err := rows.Scan(&s)
+		if err != nil {
+			t.Fatal(err)
+		}
+		list = append(list, s)
+	}
+
+	if len(list) == 0 {
+		t.Fatal("Introspect: No PRAGMA List Available")
+	}
+}