Jest tests are working again.

.env.dev

@@ -1,2 +1,2 @@
-REACT_APP_LOG_LEVEL=DEBUG
+LOG_LEVEL=DEBUG
 PUBLIC_URL=/assets

.env.prod

@@ -1,2 +1,2 @@
-REACT_APP_LOG_LEVEL=WARN
+LOG_LEVEL=WARN
 PUBLIC_URL=/assets

.env.test

@@ -1,2 +1,2 @@
-REACT_APP_LOG_LEVEL=WARN
+LOG_LEVEL=WARN
 RUN_ALL_TESTS=false

jest.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+    preset: 'ts-jest',
+    testEnvironment: 'node',
+    moduleDirectories: ["node_modules"],
+    globalSetup: "./test/src/global_setup.js",
+};

package.json

@@ -4,7 +4,6 @@
     "private": true,
     "license": "MIT",
     "dependencies": {
-        "@types/jest": "24.0.15",
         "@types/lodash": "^4.14.132",
         "@types/react": "16.8.20",
         "@types/react-dom": "16.8.4",
@@ -31,7 +30,7 @@
     "scripts": {
         "start": "webpack-dev-server --port 1623 --config webpack.dev.js",
         "buildweb": "webpack --config webpack.prod.js",
-        "test": "scripts/test.js",
+        "test": "jest",
         "update_generic_data": "ts-node --project=tsconfig-scripts.json assets_generation/update_generic_data.ts",
         "update_ephinea_data": "ts-node --project=tsconfig-scripts.json assets_generation/update_ephinea_data.ts",
         "lint": "prettier --check \"{src,assets_generation,test}/**/*.{ts,tsx}\" && echo Linting... && eslint \"{src,assets_generation,test}/**/*.{ts,tsx}\" && echo All code passes the prettier and eslint checks."
@@ -41,6 +40,7 @@
     },
     "devDependencies": {
         "@types/cheerio": "^0.22.11",
+        "@types/jest": "^24.0.15",
         "@typescript-eslint/eslint-plugin": "^1.13.0",
         "@typescript-eslint/parser": "^1.13.0",
         "cheerio": "^1.0.0-rc.3",
@@ -56,6 +56,7 @@
         "file-loader": "^4.1.0",
         "fork-ts-checker-webpack-plugin": "^1.4.3",
         "html-webpack-plugin": "^3.2.0",
+        "jest": "^24.8.0",
         "less": "^3.9.0",
         "less-loader": "^5.0.0",
         "mini-css-extract-plugin": "^0.8.0",
@@ -63,6 +64,7 @@
         "optimize-css-assets-webpack-plugin": "^5.0.3",
         "prettier": "1.18.2",
         "terser-webpack-plugin": "^1.3.0",
+        "ts-jest": "^24.0.2",
         "ts-loader": "^6.0.4",
         "ts-node": "^8.3.0",
         "typescript": "^3.5.3",

src/data_formats/cursor/ArrayBufferCursor.ts

@@ -206,10 +206,6 @@ export class ArrayBufferCursor implements Cursor {
         null_terminated: boolean,
         drop_remaining: boolean
     ): string {
-        if (null_terminated) {
-            max_byte_length = Math.min(max_byte_length, this.size - this.position);
-        }
-
         const string_length = null_terminated
             ? this.index_of_u8(0, max_byte_length) - this.position
             : max_byte_length;
@@ -229,10 +225,6 @@ export class ArrayBufferCursor implements Cursor {
         null_terminated: boolean,
         drop_remaining: boolean
     ): string {
-        if (null_terminated) {
-            max_byte_length = Math.min(max_byte_length, this.size - this.position);
-        }
-
         const string_length = null_terminated
             ? this.index_of_u16(0, max_byte_length) - this.position
             : Math.floor(max_byte_length / 2) * 2;

src/data_formats/cursor/ResizableBufferCursor.ts

@@ -236,10 +236,6 @@ export class ResizableBufferCursor implements Cursor {
         null_terminated: boolean,
         drop_remaining: boolean
     ): string {
-        if (null_terminated) {
-            max_byte_length = Math.min(max_byte_length, this.size - this.position);
-        }
-
         this.check_size("max_byte_length", max_byte_length, max_byte_length);
 
         const string_length = null_terminated
@@ -261,10 +257,6 @@ export class ResizableBufferCursor implements Cursor {
         null_terminated: boolean,
         drop_remaining: boolean
     ): string {
-        if (null_terminated) {
-            max_byte_length = Math.min(max_byte_length, this.size - this.position);
-        }
-
         this.check_size("max_byte_length", max_byte_length, max_byte_length);
 
         const string_length = null_terminated

src/data_formats/parsing/unitxt.ts

@@ -24,7 +24,7 @@ export function parse_unitxt(buf: Cursor, compressed: boolean = true): Unitxt {
 
         for (const entry_offset of category_entry_offset) {
             buf.seek_start(entry_offset);
-            const str = buf.string_utf16(1024, true, true);
+            const str = buf.string_utf16(Math.min(1024, buf.bytes_left), true, true);
             entries.push(str);
         }
     }

src/index.tsx

@@ -11,7 +11,7 @@ import "golden-layout/src/css/goldenlayout-dark-theme.css";
 import "antd/dist/antd.less";
 
 Logger.useDefaults({
-    defaultLevel: (Logger as any)[process.env["REACT_APP_LOG_LEVEL"] || "OFF"],
+    defaultLevel: (Logger as any)[process.env["LOG_LEVEL"] || "OFF"],
 });
 
 const root_element = document.createElement("div");

src/setupTests.js

@@ -1,5 +0,0 @@
-import Logger from "js-logger";
-
-Logger.useDefaults({
-    defaultLevel: Logger[process.env["REACT_APP_LOG_LEVEL"] || "OFF"],
-});

test/src/global_setup.js

@@ -0,0 +1,12 @@
+const Logger = require("js-logger");
+require('dotenv').config({ path: ".env.test" })
+
+module.exports = async () => {
+    const log_level = process.env["LOG_LEVEL"] || "OFF";
+
+    console.log(`Log level: ${log_level}`);
+
+    Logger.useDefaults({
+        defaultLevel: Logger[log_level],
+    });
+};

tsconfig.json

@@ -8,6 +8,7 @@
         "allowJs": true,
         "skipLibCheck": true,
         "allowSyntheticDefaultImports": true,
+        "esModuleInterop": true,
         "strict": true,
         "forceConsistentCasingInFileNames": true,
         "moduleResolution": "node",