forked from hashicorp/raft
/
inflight_test.go
150 lines (120 loc) · 2.98 KB
/
inflight_test.go
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package raft
import (
"fmt"
"testing"
)
func TestInflight_StartCommit(t *testing.T) {
commitCh := make(chan struct{}, 1)
in := newInflight(commitCh)
// Commit a transaction as being in flight
l := &logFuture{log: Log{Index: 1}}
l.policy = newMajorityQuorum(5)
in.Start(l)
// Commit 3 times
in.Commit(1)
if in.Committed().Len() != 0 {
t.Fatalf("should not be commited")
}
in.Commit(1)
if in.Committed().Len() != 1 {
t.Fatalf("should be commited")
}
// Already commited but should work anyways
in.Commit(1)
}
func TestInflight_Cancel(t *testing.T) {
commitCh := make(chan struct{}, 1)
in := newInflight(commitCh)
// Commit a transaction as being in flight
l := &logFuture{
log: Log{Index: 1},
}
l.init()
l.policy = newMajorityQuorum(3)
in.Start(l)
// Cancel with an error
err := fmt.Errorf("error 1")
in.Cancel(err)
// Should get an error return
if l.Error() != err {
t.Fatalf("expected error")
}
}
func TestInflight_StartAll(t *testing.T) {
commitCh := make(chan struct{}, 1)
in := newInflight(commitCh)
// Commit a few transaction as being in flight
l1 := &logFuture{log: Log{Index: 2}}
l1.policy = newMajorityQuorum(5)
l2 := &logFuture{log: Log{Index: 3}}
l2.policy = newMajorityQuorum(5)
l3 := &logFuture{log: Log{Index: 4}}
l3.policy = newMajorityQuorum(5)
// Start all the entries
in.StartAll([]*logFuture{l1, l2, l3})
// Commit ranges
in.CommitRange(1, 5)
in.CommitRange(1, 4)
in.CommitRange(1, 10)
// Should get 3 back
if in.Committed().Len() != 3 {
t.Fatalf("expected all 3 to commit")
}
}
func TestInflight_CommitRange(t *testing.T) {
commitCh := make(chan struct{}, 1)
in := newInflight(commitCh)
// Commit a few transaction as being in flight
l1 := &logFuture{log: Log{Index: 2}}
l1.policy = newMajorityQuorum(5)
in.Start(l1)
l2 := &logFuture{log: Log{Index: 3}}
l2.policy = newMajorityQuorum(5)
in.Start(l2)
l3 := &logFuture{log: Log{Index: 4}}
l3.policy = newMajorityQuorum(5)
in.Start(l3)
// Commit ranges
in.CommitRange(1, 5)
in.CommitRange(1, 4)
in.CommitRange(1, 10)
// Should get 3 back
if in.Committed().Len() != 3 {
t.Fatalf("expected all 3 to commit")
}
}
// Should panic if we commit non contiguously!
func TestInflight_NonContiguous(t *testing.T) {
commitCh := make(chan struct{}, 1)
in := newInflight(commitCh)
// Commit a few transaction as being in flight
l1 := &logFuture{log: Log{Index: 2}}
l1.policy = newMajorityQuorum(5)
in.Start(l1)
l2 := &logFuture{log: Log{Index: 3}}
l2.policy = newMajorityQuorum(5)
in.Start(l2)
in.Commit(3)
in.Commit(3)
in.Commit(3) // panic!
if in.Committed().Len() != 0 {
t.Fatalf("should not commit")
}
in.Commit(2)
in.Commit(2)
in.Commit(2) // panic!
committed := in.Committed()
if committed.Len() != 2 {
t.Fatalf("should commit both")
}
current := committed.Front()
l := current.Value.(*logFuture)
if l.log.Index != 2 {
t.Fatalf("bad: %v", *l)
}
current = current.Next()
l = current.Value.(*logFuture)
if l.log.Index != 3 {
t.Fatalf("bad: %v", *l)
}
}