feat: add generator tests for the text_multiline block

plugins/field-multilineinput/src/blocks/textMultiline.ts

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import {Block, common as BlocklyCommon} from 'blockly';
+import {Block, common as BlocklyCommon} from 'blockly/core';
 import {
   JavascriptGenerator,
   Order as JavascriptOrder,

plugins/field-multilineinput/test/block_test.mocha.js

@@ -0,0 +1,114 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import fs from 'fs';
+import * as Blockly from 'blockly/core';
+import * as en from 'blockly/msg/en';
+import 'blockly/blocks';
+
+import {javascriptGenerator} from 'blockly/javascript';
+import {dartGenerator} from 'blockly/dart';
+import {phpGenerator} from 'blockly/php';
+import {pythonGenerator} from 'blockly/python';
+import {luaGenerator} from 'blockly/lua';
+import {installAllBlocks} from '../src/index';
+import {BLOCK_NAME} from '../src/blocks/textMultiline';
+import {assert} from 'chai';
+
+const blockJson = {
+  blocks: {
+    languageVersion: 0,
+    blocks: [
+      {
+        type: 'text_print',
+        inputs: {
+          TEXT: {
+            block: {
+              type: 'text_multiline',
+              fields: {
+                TEXT: '’Twas brillig, and the slithy toves\n  Did gyre and gimble in the wabe:\nAll mimsy were the borogoves,\n  And the mome raths outgrabe.',
+              },
+            },
+          },
+        },
+      },
+    ],
+  },
+};
+
+/**
+ * Uninstall old blocks and generators, since they come pre-installed
+ * with Blockly.
+ * TODO(#2194): Delete this function and calls to it.
+ */
+function uninstallBlocks() {
+  delete Blockly.Blocks[BLOCK_NAME];
+
+  delete javascriptGenerator.forBlock[BLOCK_NAME];
+  delete dartGenerator.forBlock[BLOCK_NAME];
+  delete luaGenerator.forBlock[BLOCK_NAME];
+  delete pythonGenerator.forBlock[BLOCK_NAME];
+  delete phpGenerator.forBlock[BLOCK_NAME];
+}
+
+/**
+ * Assert that the generated code matches the golden code for the specified
+ * language.
+ * @param {string} suffix The suffix of the golden file.
+ * @param {string} generated The generated code to compare against the
+ *     golden file.
+ */
+function checkResult(suffix, generated) {
+  const fileName = `test/golden/golden.${suffix}`;
+  const goldenContents = fs.readFileSync(fileName);
+  // Normalize the line feeds.
+  const normalized = goldenContents.toString().replace(/(?:\r\n|\r|\n)/g, '\n');
+  assert.equal(generated, normalized);
+}
+
+suite('Multiline Text Block Generators', function () {
+  suiteSetup(function () {
+    Blockly.setLocale(en);
+    uninstallBlocks();
+    installAllBlocks({
+      javascript: javascriptGenerator,
+      dart: dartGenerator,
+      lua: luaGenerator,
+      python: pythonGenerator,
+      php: phpGenerator,
+    });
+  });
+  setup(function () {
+    this.workspace = new Blockly.Workspace();
+    Blockly.serialization.workspaces.load(blockJson, this.workspace);
+  });
+  test('JavaScript', function () {
+    const generated = javascriptGenerator.workspaceToCode(this.workspace);
+    checkResult('js', generated);
+  });
+  test('Dart', function () {
+    const generated = dartGenerator.workspaceToCode(this.workspace);
+    checkResult('dart', generated);
+  });
+  test('Lua', function () {
+    const generated = luaGenerator.workspaceToCode(this.workspace);
+    checkResult('lua', generated);
+  });
+  test('Python', function () {
+    const generated = pythonGenerator.workspaceToCode(this.workspace);
+    checkResult('py', generated);
+  });
+  test('PHP', function () {
+    const generated = phpGenerator.workspaceToCode(this.workspace);
+    checkResult('php', generated);
+  });
+  teardown(function () {
+    this.workspace.dispose();
+  });
+  suiteTeardown(function () {
+    uninstallBlocks();
+  });
+});

plugins/field-multilineinput/test/golden/golden.dart

@@ -0,0 +1,6 @@
+main() {
+  print('’Twas brillig, and the slithy toves' + '\n' +
+  '  Did gyre and gimble in the wabe:' + '\n' +
+  'All mimsy were the borogoves,' + '\n' +
+  '  And the mome raths outgrabe.');
+}

plugins/field-multilineinput/test/golden/golden.js

@@ -0,0 +1,4 @@
+window.alert('’Twas brillig, and the slithy toves' + '\n' +
+'  Did gyre and gimble in the wabe:' + '\n' +
+'All mimsy were the borogoves,' + '\n' +
+'  And the mome raths outgrabe.');

plugins/field-multilineinput/test/golden/golden.lua

@@ -0,0 +1,4 @@
+print('’Twas brillig, and the slithy toves' .. '\n' ..
+'  Did gyre and gimble in the wabe:' .. '\n' ..
+'All mimsy were the borogoves,' .. '\n' ..
+'  And the mome raths outgrabe.')

plugins/field-multilineinput/test/golden/golden.php

@@ -0,0 +1,4 @@
+print('’Twas brillig, and the slithy toves' . "\n" .
+'  Did gyre and gimble in the wabe:' . "\n" .
+'All mimsy were the borogoves,' . "\n" .
+'  And the mome raths outgrabe.');

plugins/field-multilineinput/test/golden/golden.py

@@ -0,0 +1,4 @@
+print('’Twas brillig, and the slithy toves' + '\n' +
+'  Did gyre and gimble in the wabe:' + '\n' +
+'All mimsy were the borogoves,' + '\n' +
+'  And the mome raths outgrabe.')