snapshot of https://github.com/golang-migrate/migrate.git (master, 2026-09-15; blobs > 131072B omitted)

source/godoc_vfs/vfs_example_test.go

@@ -0,0 +1,33 @@
+package godoc_vfs_test
+
+import (
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/source/godoc_vfs"
+	"golang.org/x/tools/godoc/vfs/mapfs"
+)
+
+func Example_mapfs() {
+	fs := mapfs.New(map[string]string{
+		"1_foobar.up.sql":   "1 up",
+		"1_foobar.down.sql": "1 down",
+		"3_foobar.up.sql":   "3 up",
+		"4_foobar.up.sql":   "4 up",
+		"4_foobar.down.sql": "4 down",
+		"5_foobar.down.sql": "5 down",
+		"7_foobar.up.sql":   "7 up",
+		"7_foobar.down.sql": "7 down",
+	})
+
+	d, err := godoc_vfs.WithInstance(fs, "")
+	if err != nil {
+		panic("bad migrations found!")
+	}
+	m, err := migrate.NewWithSourceInstance("godoc-vfs", d, "database://foobar")
+	if err != nil {
+		panic("error creating the migrations")
+	}
+	err = m.Up()
+	if err != nil {
+		panic("up failed")
+	}
+}