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command: Fix some tests for the "apply" command

This commit is contained in:
Martin Atkins 2018-10-11 17:58:46 -07:00
parent c5940f2438
commit fc2614c939
5 changed files with 104 additions and 50 deletions
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103
command/apply_test.go
View File

@ -4,7 +4,6 @@ import (
"bytes"
"fmt"
"io/ioutil"
"log"
"net"
"net/http"
"net/url"
@ -32,18 +31,7 @@ import (
func TestApply(t *testing.T) {
statePath := testTempFile(t)
p := testProvider()
p.GetSchemaReturn = applyFixtureSchema()
p.PlanResourceChangeFn = func (req providers.PlanResourceChangeRequest) providers.PlanResourceChangeResponse {
return providers.PlanResourceChangeResponse{
PlannedState: req.ProposedNewState,
}
}
p.ApplyResourceChangeFn = func (req providers.ApplyResourceChangeRequest) providers.ApplyResourceChangeResponse {
return providers.ApplyResourceChangeResponse{
NewState: req.PlannedState,
}
}
p := applyFixtureProvider()
ui := new(cli.MockUi)
c := &ApplyCommand{
@ -82,7 +70,7 @@ func TestApply_lockedState(t *testing.T) {
}
defer unlock()
p := testProvider()
p := applyFixtureProvider()
ui := new(cli.MockUi)
c := &ApplyCommand{
Meta: Meta{
@ -108,7 +96,6 @@ func TestApply_lockedState(t *testing.T) {
// test apply with locked state, waiting for unlock
func TestApply_lockedStateWait(t *testing.T) {
t.Fatalf("FIXME: this test seems to be making the test program prematurely exit")
statePath := testTempFile(t)
unlock, err := testLockState("./testdata", statePath)
@ -122,7 +109,7 @@ func TestApply_lockedStateWait(t *testing.T) {
unlock()
}()
p := testProvider()
p := applyFixtureProvider()
ui := new(cli.MockUi)
c := &ApplyCommand{
Meta: Meta{
@ -140,7 +127,7 @@ func TestApply_lockedStateWait(t *testing.T) {
testFixturePath("apply"),
}
if code := c.Run(args); code != 0 {
log.Fatalf("lock should have succeed in less than 3s: %s", ui.ErrorWriter)
t.Fatalf("lock should have succeeded in less than 3s: %s", ui.ErrorWriter)
}
}
@ -173,12 +160,11 @@ func (t *hwm) Max() int {
}
func TestApply_parallelism(t *testing.T) {
provider := testProvider()
statePath := testTempFile(t)
par := 4
// This blocks all the appy functions. We close it when we exit so
// This blocks all the apply functions. We close it when we exit so
// they end quickly after this test finishes.
block := make(chan struct{})
// signal how many goroutines have started
@ -186,24 +172,46 @@ func TestApply_parallelism(t *testing.T) {
runCount := &hwm{}
provider.ApplyFn = func(
i *terraform.InstanceInfo,
s *terraform.InstanceState,
d *terraform.InstanceDiff) (*terraform.InstanceState, error) {
// Increment so we're counting parallelism
started <- 1
runCount.Inc()
defer runCount.Dec()
// Block here to stage up our max number of parallel instances
<-block
// Since our mock provider has its own mutex preventing concurrent calls
// to ApplyResourceChange, we need to use a number of separate providers
// here. They will all have the same mock implementation function assigned
// but crucially they will each have their own mutex.
providerFactories := map[string]providers.Factory{}
for i := 0; i < 10; i++ {
name := fmt.Sprintf("test%d", i)
provider := &terraform.MockProvider{}
provider.GetSchemaReturn = &terraform.ProviderSchema{
ResourceTypes: map[string]*configschema.Block{
name+"_instance": {},
},
}
provider.PlanResourceChangeFn = func (req providers.PlanResourceChangeRequest) providers.PlanResourceChangeResponse {
return providers.PlanResourceChangeResponse{
PlannedState: req.ProposedNewState,
}
}
provider.ApplyResourceChangeFn = func (req providers.ApplyResourceChangeRequest) providers.ApplyResourceChangeResponse {
// Increment so we're counting parallelism
started <- 1
runCount.Inc()
defer runCount.Dec()
// Block here to stage up our max number of parallel instances
<-block
return nil, nil
return providers.ApplyResourceChangeResponse{
NewState: cty.EmptyObjectVal,
}
}
providerFactories[name] = providers.FactoryFixed(provider)
}
testingOverrides := &testingOverrides{
ProviderResolver: providers.ResolverFixed(providerFactories),
}
ui := new(cli.MockUi)
c := &ApplyCommand{
Meta: Meta{
testingOverrides: metaOverridesForProvider(provider),
testingOverrides: testingOverrides,
Ui: ui,
},
}
@ -286,7 +294,7 @@ func TestApply_defaultState(t *testing.T) {
}
defer os.Chdir(cwd)
p := testProvider()
p := applyFixtureProvider()
ui := new(cli.MockUi)
c := &ApplyCommand{
Meta: Meta{
@ -774,7 +782,7 @@ func TestApply_refresh(t *testing.T) {
})
statePath := testStateFile(t, originalState)
p := testProvider()
p := applyFixtureProvider()
ui := new(cli.MockUi)
c := &ApplyCommand{
Meta: Meta{
@ -918,7 +926,7 @@ func TestApply_state(t *testing.T) {
})
statePath := testStateFile(t, originalState)
p := testProvider()
p := applyFixtureProvider()
p.PlanResourceChangeResponse = providers.PlanResourceChangeResponse{
PlannedState: cty.ObjectVal(map[string]cty.Value{
"ami": cty.StringVal("bar"),
@ -980,7 +988,7 @@ func TestApply_state(t *testing.T) {
}
func TestApply_stateNoExist(t *testing.T) {
p := testProvider()
p := applyFixtureProvider()
ui := new(cli.MockUi)
c := &ApplyCommand{
Meta: Meta{
@ -1236,7 +1244,7 @@ func TestApply_backup(t *testing.T) {
statePath := testStateFile(t, originalState)
backupPath := testTempFile(t)
p := testProvider()
p := applyFixtureProvider()
p.PlanResourceChangeResponse = providers.PlanResourceChangeResponse{
PlannedState: cty.ObjectVal(map[string]cty.Value{
"ami": cty.StringVal("bar"),
@ -1285,7 +1293,7 @@ func TestApply_disableBackup(t *testing.T) {
originalState := testState()
statePath := testStateFile(t, originalState)
p := testProvider()
p := applyFixtureProvider()
p.PlanResourceChangeResponse = providers.PlanResourceChangeResponse{
PlannedState: cty.ObjectVal(map[string]cty.Value{
"ami": cty.StringVal("bar"),
@ -1478,6 +1486,27 @@ func applyFixtureSchema() *terraform.ProviderSchema {
}
}
// applyFixtureProvider returns a mock provider that is configured for basic
// operation with the configuration in test-fixtures/apply. This mock has
// GetSchemaReturn, PlanResourceChangeFn, and ApplyResourceChangeFn populated,
// with the plan/apply steps just passing through the data determined by
// Terraform Core.
func applyFixtureProvider() *terraform.MockProvider {
p := testProvider()
p.GetSchemaReturn = applyFixtureSchema()
p.PlanResourceChangeFn = func (req providers.PlanResourceChangeRequest) providers.PlanResourceChangeResponse {
return providers.PlanResourceChangeResponse{
PlannedState: req.ProposedNewState,
}
}
p.ApplyResourceChangeFn = func (req providers.ApplyResourceChangeRequest) providers.ApplyResourceChangeResponse {
return providers.ApplyResourceChangeResponse{
NewState: req.PlannedState,
}
}
return p
}
const applyVarFile = `
foo = "bar"
`

19
command/command_test.go
View File

@ -154,7 +154,26 @@ func testModuleWithSnapshot(t *testing.T, name string) (*configs.Config, *config
// testPlan returns a non-nil noop plan.
func testPlan(t *testing.T) *plans.Plan {
t.Helper()
// This is what an empty configuration block would look like after being
// decoded with the schema of the "local" backend.
backendConfig := cty.ObjectVal(map[string]cty.Value{
"path": cty.NullVal(cty.String),
"workspace_dir": cty.NullVal(cty.String),
})
backendConfigRaw, err := plans.NewDynamicValue(backendConfig, backendConfig.Type())
if err != nil {
t.Fatal(err)
}
return &plans.Plan{
Backend: plans.Backend{
// This is just a placeholder so that the plan file can be written
// out. Caller may wish to override it to something more "real"
// where the plan will actually be subsequently applied.
Type: "local",
Config: backendConfigRaw,
},
Changes: plans.NewChanges(),
}
}

8
command/test-fixtures/apply-input-partial/main.tf
View File

@ -1,5 +1,9 @@
variable "foo" {}
variable "bar" {}
output "foo" { value = "${var.foo}" }
output "bar" { value = "${var.bar}" }
output "foo" {
value = "${var.foo}"
}
output "bar" {
value = "${var.bar}"
}

4
command/test-fixtures/apply-terraform-env/main.tf
View File

@ -1 +1,3 @@
output "output" { value = "${terraform.env}" }
output "output" {
value = terraform.workspace
}

20
command/test-fixtures/parallelism/main.tf
View File

@ -1,10 +1,10 @@
resource "test_instance" "foo1" {}
resource "test_instance" "foo2" {}
resource "test_instance" "foo3" {}
resource "test_instance" "foo4" {}
resource "test_instance" "foo5" {}
resource "test_instance" "foo6" {}
resource "test_instance" "foo7" {}
resource "test_instance" "foo8" {}
resource "test_instance" "foo9" {}
resource "test_instance" "foo10" {}
resource "test0_instance" "foo" {}
resource "test1_instance" "foo" {}
resource "test2_instance" "foo" {}
resource "test3_instance" "foo" {}
resource "test4_instance" "foo" {}
resource "test5_instance" "foo" {}
resource "test6_instance" "foo" {}
resource "test7_instance" "foo" {}
resource "test8_instance" "foo" {}
resource "test9_instance" "foo" {}