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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package agreement
import (
"testing"
"time"
"github.com/algorand/go-algorand/test/partitiontest"
"github.com/stretchr/testify/require"
)
func TestCredentialHistoryStore(t *testing.T) {
partitiontest.PartitionTest(t)
size := 5
buffer := makeCredentialArrivalHistory(size)
// last store call overwrites the first one
for i := 0; i < size+1; i++ {
buffer.store(time.Duration(i))
}
require.True(t, buffer.isFull())
require.Equal(t, time.Duration(size), buffer.history[0])
for i := 1; i < size; i++ {
require.Equal(t, time.Duration(i), buffer.history[i])
}
}
func TestCredentialHistoryReset(t *testing.T) {
partitiontest.PartitionTest(t)
size := 5
buffer := makeCredentialArrivalHistory(size)
// last store call overwrites the first one
for i := 0; i < size+1; i++ {
buffer.store(time.Duration(i))
}
require.Equal(t, time.Duration(size), buffer.history[0])
for i := 1; i < size; i++ {
require.Equal(t, time.Duration(i), buffer.history[i])
}
require.True(t, buffer.isFull())
buffer.reset()
require.False(t, buffer.isFull())
buffer.store(time.Duration(100))
require.Equal(t, time.Duration(100), buffer.history[0])
}
func TestCredentialHistoryIsFull(t *testing.T) {
partitiontest.PartitionTest(t)
var buffer credentialArrivalHistory
require.False(t, buffer.isFull())
size := 5
buffer = makeCredentialArrivalHistory(size)
require.False(t, buffer.isFull())
for i := 1; i < size+10; i++ {
buffer.store(time.Duration(i))
if i < size {
require.False(t, buffer.isFull())
} else {
require.True(t, buffer.isFull())
}
}
// reset the buffer and then fill it again
buffer.reset()
require.False(t, buffer.isFull())
for i := 1; i < size+10; i++ {
buffer.store(time.Duration(i))
if i < size {
require.False(t, buffer.isFull())
} else {
require.True(t, buffer.isFull())
}
}
}
func TestCredentialHisotyZeroSize(t *testing.T) {
partitiontest.PartitionTest(t)
var buffer credentialArrivalHistory
require.False(t, buffer.isFull())
size := 0
buffer = makeCredentialArrivalHistory(size)
require.False(t, buffer.isFull())
// trying to store new samples won't panic but the history is never full
for i := 0; i < size+10; i++ {
buffer.store(time.Duration(i))
require.False(t, buffer.isFull())
}
}
func TestOrderStatistics(t *testing.T) {
partitiontest.PartitionTest(t)
size := 5
buffer := makeCredentialArrivalHistory(size)
require.False(t, buffer.isFull())
for i := 0; i < size; i++ {
buffer.store(time.Duration(size - i))
}
require.True(t, buffer.isFull())
for i := 0; i < size; i++ {
require.Equal(t, time.Duration(i+1), buffer.orderStatistics(i))
}
}
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