syncthing/lib/db/namespaced_test.go

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// Copyright (C) 2014 The Syncthing Authors.
//
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
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package db
import (
"testing"
"time"
)
func TestNamespacedInt(t *testing.T) {
ldb := newLowlevelMemory(t)
defer ldb.Close()
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n1 := NewNamespacedKV(ldb, "foo")
n2 := NewNamespacedKV(ldb, "bar")
// Key is missing to start with
if v, ok, err := n1.Int64("test"); err != nil {
t.Error("Unexpected error:", err)
} else if v != 0 || ok {
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t.Errorf("Incorrect return v %v != 0 || ok %v != false", v, ok)
}
if err := n1.PutInt64("test", 42); err != nil {
t.Fatal(err)
}
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// It should now exist in n1
if v, ok, err := n1.Int64("test"); err != nil {
t.Error("Unexpected error:", err)
} else if v != 42 || !ok {
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t.Errorf("Incorrect return v %v != 42 || ok %v != true", v, ok)
}
// ... but not in n2, which is in a different namespace
if v, ok, err := n2.Int64("test"); err != nil {
t.Error("Unexpected error:", err)
} else if v != 0 || ok {
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t.Errorf("Incorrect return v %v != 0 || ok %v != false", v, ok)
}
if err := n1.Delete("test"); err != nil {
t.Fatal(err)
}
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// It should no longer exist
if v, ok, err := n1.Int64("test"); err != nil {
t.Error("Unexpected error:", err)
} else if v != 0 || ok {
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t.Errorf("Incorrect return v %v != 0 || ok %v != false", v, ok)
}
}
func TestNamespacedTime(t *testing.T) {
ldb := newLowlevelMemory(t)
defer ldb.Close()
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n1 := NewNamespacedKV(ldb, "foo")
if v, ok, err := n1.Time("test"); err != nil {
t.Error("Unexpected error:", err)
} else if !v.IsZero() || ok {
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t.Errorf("Incorrect return v %v != %v || ok %v != false", v, time.Time{}, ok)
}
now := time.Now()
if err := n1.PutTime("test", now); err != nil {
t.Fatal(err)
}
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if v, ok, err := n1.Time("test"); err != nil {
t.Error("Unexpected error:", err)
} else if !v.Equal(now) || !ok {
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t.Errorf("Incorrect return v %v != %v || ok %v != true", v, now, ok)
}
}
func TestNamespacedString(t *testing.T) {
ldb := newLowlevelMemory(t)
defer ldb.Close()
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n1 := NewNamespacedKV(ldb, "foo")
if v, ok, err := n1.String("test"); err != nil {
t.Error("Unexpected error:", err)
} else if v != "" || ok {
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t.Errorf("Incorrect return v %q != \"\" || ok %v != false", v, ok)
}
if err := n1.PutString("test", "yo"); err != nil {
t.Fatal(err)
}
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if v, ok, err := n1.String("test"); err != nil {
t.Error("Unexpected error:", err)
} else if v != "yo" || !ok {
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t.Errorf("Incorrect return v %q != \"yo\" || ok %v != true", v, ok)
}
}
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func TestNamespacedReset(t *testing.T) {
ldb := newLowlevelMemory(t)
defer ldb.Close()
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n1 := NewNamespacedKV(ldb, "foo")
if err := n1.PutString("test1", "yo1"); err != nil {
t.Fatal(err)
}
if err := n1.PutString("test2", "yo2"); err != nil {
t.Fatal(err)
}
if err := n1.PutString("test3", "yo3"); err != nil {
t.Fatal(err)
}
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if v, ok, err := n1.String("test1"); err != nil {
t.Error("Unexpected error:", err)
} else if v != "yo1" || !ok {
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t.Errorf("Incorrect return v %q != \"yo1\" || ok %v != true", v, ok)
}
if v, ok, err := n1.String("test2"); err != nil {
t.Error("Unexpected error:", err)
} else if v != "yo2" || !ok {
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t.Errorf("Incorrect return v %q != \"yo2\" || ok %v != true", v, ok)
}
if v, ok, err := n1.String("test3"); err != nil {
t.Error("Unexpected error:", err)
} else if v != "yo3" || !ok {
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t.Errorf("Incorrect return v %q != \"yo3\" || ok %v != true", v, ok)
}
reset(n1)
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if v, ok, err := n1.String("test1"); err != nil {
t.Error("Unexpected error:", err)
} else if v != "" || ok {
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t.Errorf("Incorrect return v %q != \"\" || ok %v != false", v, ok)
}
if v, ok, err := n1.String("test2"); err != nil {
t.Error("Unexpected error:", err)
} else if v != "" || ok {
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t.Errorf("Incorrect return v %q != \"\" || ok %v != false", v, ok)
}
if v, ok, err := n1.String("test3"); err != nil {
t.Error("Unexpected error:", err)
} else if v != "" || ok {
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t.Errorf("Incorrect return v %q != \"\" || ok %v != false", v, ok)
}
}
// reset removes all entries in this namespace.
func reset(n *NamespacedKV) {
tr, err := n.db.NewWriteTransaction()
if err != nil {
return
}
defer tr.Release()
it, err := tr.NewPrefixIterator([]byte(n.prefix))
if err != nil {
return
}
for it.Next() {
_ = tr.Delete(it.Key())
}
it.Release()
_ = tr.Commit()
}