swarm: codebase split from go-ethereum (#1405)
This commit is contained in:
Rafael Matias
committed by
Anton Evangelatov
Anton Evangelatov
parent
7a22da98b9
commit
b046760db1
238
storage/localstore/mode_get_test.go
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238
storage/localstore/mode_get_test.go
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// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package localstore
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import (
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"bytes"
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"context"
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"testing"
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"time"
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"github.com/ethersphere/swarm/chunk"
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)
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// TestModeGetRequest validates ModeGetRequest index values on the provided DB.
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func TestModeGetRequest(t *testing.T) {
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db, cleanupFunc := newTestDB(t, nil)
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defer cleanupFunc()
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uploadTimestamp := time.Now().UTC().UnixNano()
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defer setNow(func() (t int64) {
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return uploadTimestamp
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})()
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ch := generateTestRandomChunk()
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_, err := db.Put(context.Background(), chunk.ModePutUpload, ch)
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if err != nil {
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t.Fatal(err)
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}
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// set update gc test hook to signal when
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// update gc goroutine is done by sending to
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// testHookUpdateGCChan channel, which is
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// used to wait for garbage colletion index
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// changes
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testHookUpdateGCChan := make(chan struct{})
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defer setTestHookUpdateGC(func() {
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testHookUpdateGCChan <- struct{}{}
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})()
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t.Run("get unsynced", func(t *testing.T) {
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got, err := db.Get(context.Background(), chunk.ModeGetRequest, ch.Address())
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if err != nil {
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t.Fatal(err)
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}
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// wait for update gc goroutine to be done
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<-testHookUpdateGCChan
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if !bytes.Equal(got.Address(), ch.Address()) {
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t.Errorf("got chunk address %x, want %x", got.Address(), ch.Address())
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}
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if !bytes.Equal(got.Data(), ch.Data()) {
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t.Errorf("got chunk data %x, want %x", got.Data(), ch.Data())
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}
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t.Run("retrieve indexes", newRetrieveIndexesTestWithAccess(db, ch, uploadTimestamp, 0))
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t.Run("gc index count", newItemsCountTest(db.gcIndex, 0))
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t.Run("gc size", newIndexGCSizeTest(db))
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})
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// set chunk to synced state
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err = db.Set(context.Background(), chunk.ModeSetSync, ch.Address())
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if err != nil {
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t.Fatal(err)
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}
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t.Run("first get", func(t *testing.T) {
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got, err := db.Get(context.Background(), chunk.ModeGetRequest, ch.Address())
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if err != nil {
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t.Fatal(err)
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}
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// wait for update gc goroutine to be done
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<-testHookUpdateGCChan
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if !bytes.Equal(got.Address(), ch.Address()) {
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t.Errorf("got chunk address %x, want %x", got.Address(), ch.Address())
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}
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if !bytes.Equal(got.Data(), ch.Data()) {
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t.Errorf("got chunk data %x, want %x", got.Data(), ch.Data())
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}
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t.Run("retrieve indexes", newRetrieveIndexesTestWithAccess(db, ch, uploadTimestamp, uploadTimestamp))
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t.Run("gc index", newGCIndexTest(db, ch, uploadTimestamp, uploadTimestamp, 1))
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t.Run("gc index count", newItemsCountTest(db.gcIndex, 1))
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t.Run("gc size", newIndexGCSizeTest(db))
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})
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t.Run("second get", func(t *testing.T) {
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accessTimestamp := time.Now().UTC().UnixNano()
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defer setNow(func() (t int64) {
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return accessTimestamp
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})()
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got, err := db.Get(context.Background(), chunk.ModeGetRequest, ch.Address())
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if err != nil {
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t.Fatal(err)
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}
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// wait for update gc goroutine to be done
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<-testHookUpdateGCChan
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if !bytes.Equal(got.Address(), ch.Address()) {
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t.Errorf("got chunk address %x, want %x", got.Address(), ch.Address())
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}
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if !bytes.Equal(got.Data(), ch.Data()) {
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t.Errorf("got chunk data %x, want %x", got.Data(), ch.Data())
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}
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t.Run("retrieve indexes", newRetrieveIndexesTestWithAccess(db, ch, uploadTimestamp, accessTimestamp))
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t.Run("gc index", newGCIndexTest(db, ch, uploadTimestamp, accessTimestamp, 1))
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t.Run("gc index count", newItemsCountTest(db.gcIndex, 1))
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t.Run("gc size", newIndexGCSizeTest(db))
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})
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}
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// TestModeGetSync validates ModeGetSync index values on the provided DB.
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func TestModeGetSync(t *testing.T) {
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db, cleanupFunc := newTestDB(t, nil)
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defer cleanupFunc()
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uploadTimestamp := time.Now().UTC().UnixNano()
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defer setNow(func() (t int64) {
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return uploadTimestamp
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})()
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ch := generateTestRandomChunk()
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_, err := db.Put(context.Background(), chunk.ModePutUpload, ch)
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if err != nil {
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t.Fatal(err)
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}
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got, err := db.Get(context.Background(), chunk.ModeGetSync, ch.Address())
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(got.Address(), ch.Address()) {
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t.Errorf("got chunk address %x, want %x", got.Address(), ch.Address())
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}
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if !bytes.Equal(got.Data(), ch.Data()) {
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t.Errorf("got chunk data %x, want %x", got.Data(), ch.Data())
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}
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t.Run("retrieve indexes", newRetrieveIndexesTestWithAccess(db, ch, uploadTimestamp, 0))
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t.Run("gc index count", newItemsCountTest(db.gcIndex, 0))
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t.Run("gc size", newIndexGCSizeTest(db))
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}
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// setTestHookUpdateGC sets testHookUpdateGC and
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// returns a function that will reset it to the
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// value before the change.
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func setTestHookUpdateGC(h func()) (reset func()) {
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current := testHookUpdateGC
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reset = func() { testHookUpdateGC = current }
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testHookUpdateGC = h
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return reset
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}
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// TestSetTestHookUpdateGC tests if setTestHookUpdateGC changes
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// testHookUpdateGC function correctly and if its reset function
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// resets the original function.
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func TestSetTestHookUpdateGC(t *testing.T) {
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// Set the current function after the test finishes.
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defer func(h func()) { testHookUpdateGC = h }(testHookUpdateGC)
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// expected value for the unchanged function
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original := 1
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// expected value for the changed function
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changed := 2
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// this variable will be set with two different functions
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var got int
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// define the original (unchanged) functions
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testHookUpdateGC = func() {
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got = original
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}
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// set got variable
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testHookUpdateGC()
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// test if got variable is set correctly
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if got != original {
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t.Errorf("got hook value %v, want %v", got, original)
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}
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// set the new function
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reset := setTestHookUpdateGC(func() {
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got = changed
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})
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// set got variable
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testHookUpdateGC()
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// test if got variable is set correctly to changed value
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if got != changed {
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t.Errorf("got hook value %v, want %v", got, changed)
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}
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// set the function to the original one
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reset()
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// set got variable
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testHookUpdateGC()
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// test if got variable is set correctly to original value
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if got != original {
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t.Errorf("got hook value %v, want %v", got, original)
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}
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}
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