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@@ -1,64 +1,73 @@
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// Minimalist test to confirm that basic functionality works.
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-// This can be safely ignored.
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package main
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import (
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- "fmt"
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- "log"
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+ "os"
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+ "testing"
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badger "github.com/dgraph-io/badger/v3"
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)
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-func main() {
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+func TestMinimalistSLKVDB(t *testing.T) {
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// Open the Badger database located in the /tmp/badger directory.
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// It will be created if it doesn't exist.
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// db, err := badger.Open(badger.DefaultOptions("/tmp/badger"))
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+ t.Log("Testing basic Badger functionality with a simple database read")
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db, err := badger.Open(badger.DefaultOptions("slkvdb/gosl-database.db"))
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if err != nil {
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- log.Fatal(err)
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+ t.Fatal(err)
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}
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- defer db.Close()
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+ defer func() {
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+ db.Close() // First close database,
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+ // then remove all the directories and files
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+ // Using RemoveAll() function
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+ if err = os.RemoveAll("slkvdb"); err != nil {
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+ t.Fatal(err)
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+ } else {
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+ t.Log("cleaning up test database successful")
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+ }
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+ }()
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err = db.Update(func(txn *badger.Txn) error {
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err = txn.Set([]byte("answer"), []byte("42"))
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return err
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})
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- handle(err)
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+ handle(t, err)
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err = db.View(func(txn *badger.Txn) error {
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item, err := txn.Get([]byte("answer"))
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- handle(err)
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+ handle(t, err)
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var valCopy []byte
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err = item.Value(func(val []byte) error {
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// This func with val would only be called if item.Value encounters no error.
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// Accessing val here is valid.
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- fmt.Printf("(Inside item.Value()) The answer is: %s\n", val)
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+ t.Logf("(Inside item.Value()) The answer is: %q\n", val)
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// Copying or parsing val is valid.
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valCopy = append([]byte{}, val...)
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return nil
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})
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- handle(err)
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+ handle(t, err)
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// You must copy it to use it outside item.Value(...).
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- fmt.Printf("(inside db.View()) The answer is: %s\n", valCopy)
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+ t.Logf("(inside db.View()) The answer is: %q\n", valCopy)
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// Alternatively, you could also use item.ValueCopy().
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valCopy, err = item.ValueCopy(nil)
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- handle(err)
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- fmt.Printf("(inside db.View() using ValueCopy) The answer is: %s\n", valCopy)
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+ handle(t, err)
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+ t.Logf("(inside db.View() using ValueCopy) The answer is: %s\n", valCopy)
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return nil
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})
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- handle(err)
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+ handle(t, err)
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}
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// Handles errors for this very simple test.
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-func handle(err error) {
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+func handle(t *testing.T, err error) {
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if err != nil {
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- fmt.Printf("error was: %q\n", err)
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+ t.Logf("error was: %q\n", err)
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}
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}
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