feat(material-experimental): add test harness for select

Sets up the test harness for `mat-select`.

Author: crisbeto

.github/CODEOWNERS

@@ -94,6 +94,7 @@
 /src/material-experimental/mdc-chips/**            @mmalerba
 /src/material-experimental/mdc-helpers/**          @mmalerba
 /src/material-experimental/mdc-menu/**             @crisbeto
+/src/material-experimental/mdc-select/**           @crisbeto
 /src/material-experimental/mdc-progress-spinner/** @andrewseguin
 /src/material-experimental/mdc-progress-bar/**     @andrewseguin
 # Note to implementer: please repossess

src/cdk-experimental/testing/testbed/testbed-harness-environment.ts

@@ -37,7 +37,7 @@ export class TestbedHarnessEnvironment extends HarnessEnvironment<Element> {
   }
 
   protected getDocumentRoot(): Element {
-    return this._fixture.nativeElement;
+    return document.body;
   }
 
   protected createTestElement(element: Element): TestElement {

src/material-experimental/mdc-select/BUILD.bazel

@@ -0,0 +1,100 @@
+package(default_visibility = ["//visibility:public"])
+
+load("@io_bazel_rules_sass//:defs.bzl", "sass_binary", "sass_library")
+load("//tools:defaults.bzl", "ng_e2e_test_library", "ng_module", "ng_test_library", "ng_web_test_suite", "ts_library")
+load("//src/e2e-app:test_suite.bzl", "e2e_test_suite")
+
+ng_module(
+    name = "mdc-select",
+    srcs = glob(
+        ["**/*.ts"],
+        exclude = [
+            "**/*.spec.ts",
+            "harness/**",
+        ],
+    ),
+    assets = [
+        # TODO: include scss assets
+    ] + glob(["**/*.html"]),
+    module_name = "@angular/material-experimental/mdc-select",
+    deps = [
+        "//src/material/core",
+    ],
+)
+
+ts_library(
+    name = "harness",
+    srcs = glob(
+        ["harness/**/*.ts"],
+        exclude = ["**/*.spec.ts"],
+    ),
+    deps = [
+        "//src/cdk-experimental/testing",
+    ],
+)
+
+sass_library(
+    name = "mdc_select_scss_lib",
+    srcs = glob(["**/_*.scss"]),
+    deps = [
+        "//src/material-experimental/mdc-helpers:mdc_helpers_scss_lib",
+        "//src/material-experimental/mdc-helpers:mdc_scss_deps_lib",
+        "//src/material/core:core_scss_lib",
+    ],
+)
+
+sass_binary(
+    name = "select_scss",
+    src = "select.scss",
+    include_paths = [
+        "external/npm/node_modules",
+    ],
+    deps = [
+        "//src/material-experimental/mdc-helpers:mdc_helpers_scss_lib",
+        "//src/material-experimental/mdc-helpers:mdc_scss_deps_lib",
+        "//src/material/core:all_themes",
+    ],
+)
+
+ng_test_library(
+    name = "select_tests_lib",
+    srcs = [
+        "harness/select-harness.spec.ts",
+    ],
+    deps = [
+        ":harness",
+        ":mdc-select",
+        "//src/cdk-experimental/testing",
+        "//src/cdk-experimental/testing/testbed",
+        "//src/cdk/platform",
+        "//src/cdk/testing",
+        "//src/material/form-field",
+        "//src/material/select",
+        "@npm//@angular/forms",
+        "@npm//@angular/platform-browser",
+    ],
+)
+
+ng_web_test_suite(
+    name = "unit_tests",
+    deps = [
+        ":select_tests_lib",
+        "//src/material-experimental:mdc_require_config.js",
+    ],
+)
+
+ng_e2e_test_library(
+    name = "e2e_test_sources",
+    srcs = glob(["**/*.e2e.spec.ts"]),
+    deps = [
+        "//src/cdk/private/testing/e2e",
+    ],
+)
+
+e2e_test_suite(
+    name = "e2e_tests",
+    deps = [
+        ":e2e_test_sources",
+        "//src/cdk/private/testing/e2e",
+    ],
+)

src/material-experimental/mdc-select/README.md

@@ -0,0 +1 @@
+<!-- TODO -->

src/material-experimental/mdc-select/_mdc-select.scss

@@ -0,0 +1,13 @@
+@import '../mdc-helpers/mdc-helpers';
+
+@mixin mat-select-theme-mdc($theme) {
+  @include mat-using-mdc-theme($theme) {
+    // TODO: implement MDC-based select.
+  }
+}
+
+@mixin mat-select-typography-mdc($config) {
+  @include mat-using-mdc-typography($config) {
+    // TODO: implement MDC-based select.
+  }
+}

src/material-experimental/mdc-select/harness/mdc-select-harness.ts

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {ComponentHarness} from '@angular/cdk-experimental/testing';
+
+
+/**
+ * Harness for interacting with a MDC-based mat-select in tests.
+ * @dynamic
+ */
+export class MatSelectHarness extends ComponentHarness {
+  // TODO: implement once MDC select is done.
+}

src/material-experimental/mdc-select/harness/select-harness-filters.ts

@@ -0,0 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+export type SelectHarnessFilters = {
+  id?: string;
+};