terraform/internal/terraform/transform_destroy_cbd_test.go

362 lines
9.7 KiB
Go

package terraform
import (
"regexp"
"strings"
"testing"
"github.com/hashicorp/terraform/internal/addrs"
"github.com/hashicorp/terraform/internal/plans"
"github.com/hashicorp/terraform/internal/states"
)
func cbdTestGraph(t *testing.T, mod string, changes *plans.Changes, state *states.State) *Graph {
module := testModule(t, mod)
applyBuilder := &ApplyGraphBuilder{
Config: module,
Changes: changes,
Plugins: simpleMockPluginLibrary(),
State: state,
}
g, err := (&BasicGraphBuilder{
Steps: cbdTestSteps(applyBuilder.Steps()),
Name: "ApplyGraphBuilder",
}).Build(addrs.RootModuleInstance)
if err != nil {
t.Fatalf("err: %s", err)
}
return filterInstances(g)
}
// override the apply graph builder to halt the process after CBD
func cbdTestSteps(steps []GraphTransformer) []GraphTransformer {
found := false
var i int
var t GraphTransformer
for i, t = range steps {
if _, ok := t.(*CBDEdgeTransformer); ok {
found = true
break
}
}
if !found {
panic("CBDEdgeTransformer not found")
}
return steps[:i+1]
}
// remove extra nodes for easier test comparisons
func filterInstances(g *Graph) *Graph {
for _, v := range g.Vertices() {
if _, ok := v.(GraphNodeResourceInstance); !ok {
g.Remove(v)
}
}
return g
}
func TestCBDEdgeTransformer(t *testing.T) {
changes := &plans.Changes{
Resources: []*plans.ResourceInstanceChangeSrc{
{
Addr: mustResourceInstanceAddr("test_object.A"),
ChangeSrc: plans.ChangeSrc{
Action: plans.CreateThenDelete,
},
},
{
Addr: mustResourceInstanceAddr("test_object.B"),
ChangeSrc: plans.ChangeSrc{
Action: plans.Update,
},
},
},
}
state := states.NewState()
root := state.EnsureModule(addrs.RootModuleInstance)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.A").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"A"}`),
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.B").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"B","test_list":["x"]}`),
Dependencies: []addrs.ConfigResource{mustConfigResourceAddr("test_object.A")},
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
g := cbdTestGraph(t, "transform-destroy-cbd-edge-basic", changes, state)
g = filterInstances(g)
actual := strings.TrimSpace(g.String())
expected := regexp.MustCompile(strings.TrimSpace(`
(?m)test_object.A
test_object.A \(destroy deposed \w+\)
test_object.A
test_object.B
test_object.B
test_object.A
`))
if !expected.MatchString(actual) {
t.Fatalf("wrong result\n\ngot:\n%s\n\nwant:\n%s", actual, expected)
}
}
func TestCBDEdgeTransformerMulti(t *testing.T) {
changes := &plans.Changes{
Resources: []*plans.ResourceInstanceChangeSrc{
{
Addr: mustResourceInstanceAddr("test_object.A"),
ChangeSrc: plans.ChangeSrc{
Action: plans.CreateThenDelete,
},
},
{
Addr: mustResourceInstanceAddr("test_object.B"),
ChangeSrc: plans.ChangeSrc{
Action: plans.CreateThenDelete,
},
},
{
Addr: mustResourceInstanceAddr("test_object.C"),
ChangeSrc: plans.ChangeSrc{
Action: plans.Update,
},
},
},
}
state := states.NewState()
root := state.EnsureModule(addrs.RootModuleInstance)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.A").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"A"}`),
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.B").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"B"}`),
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.C").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"C","test_list":["x"]}`),
Dependencies: []addrs.ConfigResource{
mustConfigResourceAddr("test_object.A"),
mustConfigResourceAddr("test_object.B"),
},
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
g := cbdTestGraph(t, "transform-destroy-cbd-edge-multi", changes, state)
g = filterInstances(g)
actual := strings.TrimSpace(g.String())
expected := regexp.MustCompile(strings.TrimSpace(`
(?m)test_object.A
test_object.A \(destroy deposed \w+\)
test_object.A
test_object.C
test_object.B
test_object.B \(destroy deposed \w+\)
test_object.B
test_object.C
test_object.C
test_object.A
test_object.B
`))
if !expected.MatchString(actual) {
t.Fatalf("wrong result\n\ngot:\n%s\n\nwant:\n%s", actual, expected)
}
}
func TestCBDEdgeTransformer_depNonCBDCount(t *testing.T) {
changes := &plans.Changes{
Resources: []*plans.ResourceInstanceChangeSrc{
{
Addr: mustResourceInstanceAddr("test_object.A"),
ChangeSrc: plans.ChangeSrc{
Action: plans.CreateThenDelete,
},
},
{
Addr: mustResourceInstanceAddr("test_object.B[0]"),
ChangeSrc: plans.ChangeSrc{
Action: plans.Update,
},
},
{
Addr: mustResourceInstanceAddr("test_object.B[1]"),
ChangeSrc: plans.ChangeSrc{
Action: plans.Update,
},
},
},
}
state := states.NewState()
root := state.EnsureModule(addrs.RootModuleInstance)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.A").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"A"}`),
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.B[0]").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"B","test_list":["x"]}`),
Dependencies: []addrs.ConfigResource{mustConfigResourceAddr("test_object.A")},
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.B[1]").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"B","test_list":["x"]}`),
Dependencies: []addrs.ConfigResource{mustConfigResourceAddr("test_object.A")},
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
g := cbdTestGraph(t, "transform-cbd-destroy-edge-count", changes, state)
actual := strings.TrimSpace(g.String())
expected := regexp.MustCompile(strings.TrimSpace(`
(?m)test_object.A
test_object.A \(destroy deposed \w+\)
test_object.A
test_object.B\[0\]
test_object.B\[1\]
test_object.B\[0\]
test_object.A
test_object.B\[1\]
test_object.A`))
if !expected.MatchString(actual) {
t.Fatalf("wrong result\n\ngot:\n%s\n\nwant:\n%s", actual, expected)
}
}
func TestCBDEdgeTransformer_depNonCBDCountBoth(t *testing.T) {
changes := &plans.Changes{
Resources: []*plans.ResourceInstanceChangeSrc{
{
Addr: mustResourceInstanceAddr("test_object.A[0]"),
ChangeSrc: plans.ChangeSrc{
Action: plans.CreateThenDelete,
},
},
{
Addr: mustResourceInstanceAddr("test_object.A[1]"),
ChangeSrc: plans.ChangeSrc{
Action: plans.CreateThenDelete,
},
},
{
Addr: mustResourceInstanceAddr("test_object.B[0]"),
ChangeSrc: plans.ChangeSrc{
Action: plans.Update,
},
},
{
Addr: mustResourceInstanceAddr("test_object.B[1]"),
ChangeSrc: plans.ChangeSrc{
Action: plans.Update,
},
},
},
}
state := states.NewState()
root := state.EnsureModule(addrs.RootModuleInstance)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.A[0]").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"A"}`),
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.A[1]").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"A"}`),
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.B[0]").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"B","test_list":["x"]}`),
Dependencies: []addrs.ConfigResource{mustConfigResourceAddr("test_object.A")},
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
root.SetResourceInstanceCurrent(
mustResourceInstanceAddr("test_object.B[1]").Resource,
&states.ResourceInstanceObjectSrc{
Status: states.ObjectReady,
AttrsJSON: []byte(`{"id":"B","test_list":["x"]}`),
Dependencies: []addrs.ConfigResource{mustConfigResourceAddr("test_object.A")},
},
mustProviderConfig(`provider["registry.terraform.io/hashicorp/test"]`),
)
g := cbdTestGraph(t, "transform-cbd-destroy-edge-both-count", changes, state)
actual := strings.TrimSpace(g.String())
expected := regexp.MustCompile(strings.TrimSpace(`
test_object.A\[0\]
test_object.A\[0\] \(destroy deposed \w+\)
test_object.A\[0\]
test_object.B\[0\]
test_object.B\[1\]
test_object.A\[1\]
test_object.A\[1\] \(destroy deposed \w+\)
test_object.A\[1\]
test_object.B\[0\]
test_object.B\[1\]
test_object.B\[0\]
test_object.A\[0\]
test_object.A\[1\]
test_object.B\[1\]
test_object.A\[0\]
test_object.A\[1\]
`))
if !expected.MatchString(actual) {
t.Fatalf("wrong result\n\ngot:\n%s\n\nwant:\n%s", actual, expected)
}
}