add terraform_data e2e test

internal/command/e2etest/terraform_test.go

@@ -0,0 +1,55 @@
+package e2etest
+
+import (
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/hashicorp/terraform/internal/addrs"
+	"github.com/hashicorp/terraform/internal/e2e"
+)
+
+func TestTerraformProviderData(t *testing.T) {
+
+	fixturePath := filepath.Join("testdata", "terraform-managed-data")
+	tf := e2e.NewBinary(t, terraformBin, fixturePath)
+
+	_, stderr, err := tf.Run("init", "-input=false")
+	if err != nil {
+		t.Fatalf("unexpected init error: %s\nstderr:\n%s", err, stderr)
+	}
+
+	stdout, stderr, err := tf.Run("plan", "-out=tfplan", "-input=false")
+	if err != nil {
+		t.Fatalf("unexpected plan error: %s\nstderr:\n%s", err, stderr)
+	}
+
+	if !strings.Contains(stdout, "4 to add, 0 to change, 0 to destroy") {
+		t.Errorf("incorrect plan tally; want 4 to add:\n%s", stdout)
+	}
+
+	stdout, stderr, err = tf.Run("apply", "-input=false", "tfplan")
+	if err != nil {
+		t.Fatalf("unexpected apply error: %s\nstderr:\n%s", err, stderr)
+	}
+
+	if !strings.Contains(stdout, "Resources: 4 added, 0 changed, 0 destroyed") {
+		t.Errorf("incorrect apply tally; want 4 added:\n%s", stdout)
+	}
+
+	state, err := tf.LocalState()
+	if err != nil {
+		t.Fatalf("failed to read state file: %s", err)
+	}
+
+	// we'll check the final output to validate the resources
+	d := state.Module(addrs.RootModuleInstance).OutputValues["d"].Value
+	input := d.GetAttr("input")
+	output := d.GetAttr("output")
+	if input.IsNull() {
+		t.Fatal("missing input from resource d")
+	}
+	if !input.RawEquals(output) {
+		t.Fatalf("input %#v does not equal output %#v\n", input, output)
+	}
+}

internal/command/e2etest/testdata/terraform-managed-data/main.tf

@@ -0,0 +1,18 @@
+resource "terraform_data" "a" {
+}
+
+resource "terraform_data" "b" {
+  input = terraform_data.a.id
+}
+
+resource "terraform_data" "c" {
+  trigger = terraform_data.b
+}
+
+resource "terraform_data" "d" {
+  input = [ terraform_data.b, terraform_data.c ]
+}
+
+output "d" {
+  value = terraform_data.d
+}