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package terraform
import (
"sync"
"testing"
)
func TestEvalRequireState(t *testing.T) {
ctx := new(MockEvalContext)
cases := []struct {
State *InstanceState
Exit bool
}{
{
nil,
true,
},
{
&InstanceState{},
true,
},
{
&InstanceState{ID: "foo"},
false,
},
}
var exitVal EvalEarlyExitError
for _, tc := range cases {
node := &EvalRequireState{State: &tc.State}
_, err := node.Eval(ctx)
if tc.Exit {
if err != exitVal {
t.Fatalf("should've exited: %#v", tc.State)
}
continue
}
if !tc.Exit && err != nil {
t.Fatalf("shouldn't exit: %#v", tc.State)
}
if err != nil {
t.Fatalf("err: %s", err)
}
}
}
func TestEvalUpdateStateHook(t *testing.T) {
mockHook := new(MockHook)
ctx := new(MockEvalContext)
ctx.HookHook = mockHook
ctx.StateState = &State{Serial: 42}
ctx.StateLock = new(sync.RWMutex)
node := &EvalUpdateStateHook{}
if _, err := node.Eval(ctx); err != nil {
t.Fatalf("err: %s", err)
}
if !mockHook.PostStateUpdateCalled {
t.Fatal("should call PostStateUpdate")
}
if mockHook.PostStateUpdateState.Serial != 42 {
t.Fatalf("bad: %#v", mockHook.PostStateUpdateState)
}
}
func TestEvalReadState(t *testing.T) {
var output *InstanceState
cases := map[string]struct {
Resources map[string]*ResourceState
Node EvalNode
ExpectedInstanceId string
}{
"ReadState gets primary instance state": {
Resources: map[string]*ResourceState{
"aws_instance.bar": &ResourceState{
Primary: &InstanceState{
ID: "i-abc123",
},
},
},
Node: &EvalReadState{
Name: "aws_instance.bar",
Output: &output,
},
ExpectedInstanceId: "i-abc123",
},
"ReadStateDeposed gets deposed instance": {
Resources: map[string]*ResourceState{
"aws_instance.bar": &ResourceState{
Deposed: []*InstanceState{
&InstanceState{ID: "i-abc123"},
},
},
},
Node: &EvalReadStateDeposed{
Name: "aws_instance.bar",
Output: &output,
Index: 0,
},
ExpectedInstanceId: "i-abc123",
},
}
for k, c := range cases {
ctx := new(MockEvalContext)
ctx.StateState = &State{
Modules: []*ModuleState{
&ModuleState{
Path: rootModulePath,
Resources: c.Resources,
},
},
}
ctx.StateLock = new(sync.RWMutex)
ctx.PathPath = rootModulePath
result, err := c.Node.Eval(ctx)
if err != nil {
t.Fatalf("[%s] Got err: %#v", k, err)
}
expected := c.ExpectedInstanceId
if !(result != nil && result.(*InstanceState).ID == expected) {
t.Fatalf("[%s] Expected return with ID %#v, got: %#v", k, expected, result)
}
if !(output != nil && output.ID == expected) {
t.Fatalf("[%s] Expected output with ID %#v, got: %#v", k, expected, output)
}
output = nil
}
}
func TestEvalWriteState(t *testing.T) {
state := &State{}
ctx := new(MockEvalContext)
ctx.StateState = state
ctx.StateLock = new(sync.RWMutex)
ctx.PathPath = rootModulePath
is := &InstanceState{ID: "i-abc123"}
node := &EvalWriteState{
Name: "restype.resname",
ResourceType: "restype",
State: &is,
}
_, err := node.Eval(ctx)
if err != nil {
t.Fatalf("Got err: %#v", err)
}
checkStateString(t, state, `
restype.resname:
ID = i-abc123
`)
}
func TestEvalWriteStateDeposed(t *testing.T) {
state := &State{}
ctx := new(MockEvalContext)
ctx.StateState = state
ctx.StateLock = new(sync.RWMutex)
ctx.PathPath = rootModulePath
is := &InstanceState{ID: "i-abc123"}
node := &EvalWriteStateDeposed{
Name: "restype.resname",
ResourceType: "restype",
State: &is,
Index: -1,
}
_, err := node.Eval(ctx)
if err != nil {
t.Fatalf("Got err: %#v", err)
}
checkStateString(t, state, `
restype.resname: (1 deposed)
ID = <not created>
Deposed ID 1 = i-abc123
`)
}