Cleanups

README.md

@@ -34,6 +34,10 @@ For this reason Terravalet operates on local state and leaves to the operator th
 
 Be careful when using Terraform workspaces, since they are invisible and persistent global state :-(. Remember to always explicitly run `terraform workspace select` before anything else.
 
+### Interactions with the "moved" block
+
+After the creation of Terravalet, Terraform introduced the `moved` block, which can be seen as an alternative to certain usages of Terravalet. See [Terraform: refactoring](https://developer.hashicorp.com/terraform/language/modules/develop/refactoring)) for more information.
+
 ## Install
 
 ### Install from binary package

cmdimport_test.go

@@ -0,0 +1,95 @@
+package main
+
+import "testing"
+
+func TestRunImportSuccess(t *testing.T) {
+	testCases := []struct {
+		name         string
+		resDefs      string
+		srcPlanPath  string
+		wantUpPath   string
+		wantDownPath string
+	}{
+		{
+			name:         "import resources",
+			resDefs:      "testdata/import/terravalet_imports_definitions.json",
+			srcPlanPath:  "testdata/import/08_import_src-plan.json",
+			wantUpPath:   "testdata/import/08_import_up.sh",
+			wantDownPath: "testdata/import/08_import_down.sh",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			args := []string{"terravalet", "import",
+				"--res-defs", tc.resDefs,
+				"--src-plan", tc.srcPlanPath,
+			}
+
+			runSuccess(t, args, tc.wantUpPath, tc.wantDownPath)
+		})
+	}
+}
+
+func TestRunImportFailure(t *testing.T) {
+	testCases := []struct {
+		name        string
+		resDefs     string
+		srcPlanPath string
+		wantErr     string
+	}{
+		{
+			name:        "non existing src-plan",
+			resDefs:     "testdata/import/terravalet_imports_definitions.json",
+			srcPlanPath: "src-plan-path-dummy",
+			wantErr:     "opening the terraform plan file: open src-plan-path-dummy: no such file or directory",
+		},
+		{
+			name:        "src-plan is invalid json",
+			resDefs:     "testdata/import/terravalet_imports_definitions.json",
+			srcPlanPath: "testdata/import/09_import_empty_src-plan.json",
+			wantErr:     "parse src-plan: parsing the plan: unexpected end of JSON input",
+		},
+		{
+			name:        "src-plan must create resource",
+			resDefs:     "testdata/import/terravalet_imports_definitions.json",
+			srcPlanPath: "testdata/import/10_import_no-new-resources.json",
+			wantErr:     "parse src-plan: src-plan doesn't contains resources to create",
+		},
+		{
+			name:        "src-plan contains only undefined resources",
+			resDefs:     "testdata/import/terravalet_imports_definitions.json",
+			srcPlanPath: "testdata/import/11_import_src-plan_undefined_resources.json",
+			wantErr:     "parse src-plan: src-plan contains only undefined resources",
+		},
+		{
+			name:        "src-plan contains a not existing resource parameter",
+			resDefs:     "testdata/import/terravalet_imports_definitions.json",
+			srcPlanPath: "testdata/import/12_import_src-plan_invalid_resource_param.json",
+			wantErr:     "parse src-plan: error in resources definition dummy_resource2: field 'long_name' doesn't exist in plan",
+		},
+		{
+			name:        "terravalet missing resources definitions file",
+			resDefs:     "testdata/import/missing.file",
+			srcPlanPath: "testdata/import/08_import_src-plan.json",
+			wantErr:     "opening the definitions file: open testdata/import/missing.file: no such file or directory",
+		},
+		{
+			name:        "terravalet invalid resources definitions file",
+			resDefs:     "testdata/import/invalid_imports_definitions.json",
+			srcPlanPath: "testdata/import/08_import_src-plan.json",
+			wantErr:     "parse src-plan: parsing resources definitions: invalid character '}' after object key",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			args := []string{"terravalet", "import",
+				"--res-defs", tc.resDefs,
+				"--src-plan", tc.srcPlanPath,
+			}
+
+			runFailure(t, args, tc.wantErr)
+		})
+	}
+}