2017-01-19 05:51:15 +01:00
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package remote
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import (
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"bytes"
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"testing"
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"github.com/hashicorp/terraform/state"
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"github.com/hashicorp/terraform/terraform"
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)
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// TestClient is a generic function to test any client.
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func TestClient(t *testing.T, c Client) {
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var buf bytes.Buffer
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s := state.TestStateInitial()
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if err := terraform.WriteState(s, &buf); err != nil {
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t.Fatalf("err: %s", err)
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}
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data := buf.Bytes()
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if err := c.Put(data); err != nil {
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t.Fatalf("put: %s", err)
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}
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p, err := c.Get()
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if err != nil {
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t.Fatalf("get: %s", err)
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}
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if !bytes.Equal(p.Data, data) {
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t.Fatalf("bad: %#v", p)
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}
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if err := c.Delete(); err != nil {
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t.Fatalf("delete: %s", err)
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}
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p, err = c.Get()
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if err != nil {
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t.Fatalf("get: %s", err)
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}
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if p != nil {
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t.Fatalf("bad: %#v", p)
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}
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}
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2017-02-07 16:33:05 +01:00
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// Test the lock implementation for a remote.Client.
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// This test requires 2 client instances, in oder to have multiple remote
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// clients since some implementations may tie the client to the lock, or may
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// have reentrant locks.
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func TestRemoteLocks(t *testing.T, a, b Client) {
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lockerA, ok := a.(state.Locker)
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if !ok {
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t.Fatal("client A not a state.Locker")
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}
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lockerB, ok := b.(state.Locker)
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if !ok {
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t.Fatal("client B not a state.Locker")
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}
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2017-02-15 16:25:04 +01:00
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infoA := state.NewLockInfo()
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infoA.Operation = "test"
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infoA.Who = "clientA"
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infoB := state.NewLockInfo()
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infoB.Operation = "test"
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infoB.Who = "clientB"
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2017-02-14 23:48:57 +01:00
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if _, err := lockerA.Lock(infoA); err != nil {
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2017-02-07 16:33:05 +01:00
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t.Fatal("unable to get initial lock:", err)
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}
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2017-02-14 23:48:57 +01:00
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if _, err := lockerB.Lock(infoB); err == nil {
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lockerA.Unlock("")
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2017-02-07 16:33:05 +01:00
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t.Fatal("client B obtained lock while held by client A")
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} else {
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t.Log("lock info error:", err)
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}
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2017-02-14 23:48:57 +01:00
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if err := lockerA.Unlock(""); err != nil {
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2017-02-07 16:33:05 +01:00
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t.Fatal("error unlocking client A", err)
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}
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2017-02-14 23:48:57 +01:00
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if _, err := lockerB.Lock(infoB); err != nil {
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2017-02-07 16:33:05 +01:00
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t.Fatal("unable to obtain lock from client B")
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}
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2017-02-14 23:48:57 +01:00
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if err := lockerB.Unlock(""); err != nil {
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2017-02-07 16:33:05 +01:00
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t.Fatal("error unlocking client B:", err)
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}
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// unlock should be repeatable
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2017-02-14 23:48:57 +01:00
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if err := lockerA.Unlock(""); err != nil {
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2017-02-07 16:33:05 +01:00
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t.Fatal("Unlock error from client A when state was not locked:", err)
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}
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}
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