Add plan import tests

Author: dbanck

internal/terraform/context_plan_import_test.go

@@ -1890,3 +1890,107 @@ output "foo" {
 		t.Errorf("should have reported the cycle to contain the target resource, but got %s", got)
 	}
 }
+
+func TestContext2Plan_importIdentityModule(t *testing.T) {
+	p := testProvider("aws")
+	m := testModule(t, "import-identity-module")
+
+	p.GetProviderSchemaResponse = getProviderSchemaResponseFromProviderSchema(&providerSchema{
+		ResourceTypes: map[string]*configschema.Block{
+			"aws_lb": {
+				Attributes: map[string]*configschema.Attribute{
+					"id": {
+						Type:     cty.String,
+						Computed: true,
+					},
+				},
+			},
+		},
+		IdentityTypes: map[string]*configschema.Object{
+			"aws_lb": {
+				Attributes: map[string]*configschema.Attribute{
+					"name": {
+						Type:     cty.String,
+						Required: true,
+					},
+				},
+				Nesting: configschema.NestingSingle,
+			},
+		},
+	})
+	p.ImportResourceStateResponse = &providers.ImportResourceStateResponse{
+		ImportedResources: []providers.ImportedResource{
+			{
+				TypeName: "aws_lb",
+				State: cty.ObjectVal(map[string]cty.Value{
+					"id": cty.StringVal("foo"),
+				}),
+			},
+		},
+	}
+	ctx := testContext2(t, &ContextOpts{
+		Providers: map[addrs.Provider]providers.Factory{
+			addrs.NewDefaultProvider("aws"): testProviderFuncFixed(p),
+		},
+	})
+
+	diags := ctx.Validate(m, &ValidateOpts{})
+	if diags.HasErrors() {
+		t.Fatalf("unexpected errors\n%s", diags.Err().Error())
+	}
+
+	_, diags = ctx.Plan(m, states.NewState(), DefaultPlanOpts)
+	if diags.HasErrors() {
+		t.Fatalf("unexpected errors: %s", diags.Err())
+	}
+}
+
+func TestContext2Plan_importIdentityMissingRequired(t *testing.T) {
+	p := testProvider("aws")
+	m := testModule(t, "import-identity-module")
+
+	p.GetProviderSchemaResponse = getProviderSchemaResponseFromProviderSchema(&providerSchema{
+		ResourceTypes: map[string]*configschema.Block{
+			"aws_lb": {
+				Attributes: map[string]*configschema.Attribute{
+					"id": {
+						Type:     cty.String,
+						Computed: true,
+					},
+				},
+			},
+		},
+		IdentityTypes: map[string]*configschema.Object{
+			"aws_lb": {
+				Attributes: map[string]*configschema.Attribute{
+					"name": {
+						Type:     cty.String,
+						Required: true,
+					},
+					"id": {
+						Type:     cty.String,
+						Required: true,
+					},
+				},
+				Nesting: configschema.NestingSingle,
+			},
+		},
+	})
+
+	ctx := testContext2(t, &ContextOpts{
+		Providers: map[addrs.Provider]providers.Factory{
+			addrs.NewDefaultProvider("aws"): testProviderFuncFixed(p),
+		},
+	})
+
+	diags := ctx.Validate(m, &ValidateOpts{})
+
+	if len(diags) != 1 {
+		t.Fatalf("expected one diag, got %d: %s", len(diags), diags.ErrWithWarnings())
+	}
+
+	got := diags.Err().Error()
+	if !strings.Contains(got, "Missing required field:") {
+		t.Errorf("should have reported a missing required field, but got %s", got)
+	}
+}

internal/terraform/testdata/import-identity-module/child/main.tf

@@ -0,0 +1,3 @@
+output "lb_id" {
+  value = 1
+}

internal/terraform/testdata/import-identity-module/main.tf

@@ -0,0 +1,12 @@
+module "child" {
+  source = "./child"
+}
+
+import {
+  to = aws_lb.foo
+  identity = {
+    name = "bar"
+  }
+}
+
+resource "aws_lb" "foo" {}