Adds test skeleton.

.vscode/settings.json

@@ -5,5 +5,7 @@
 	"plantuml.diagramsRoot": "docs",
 	"plantuml.exportFormat": "png",
 	"plantuml.exportOutDir": "docs/exported",
-	"typescript.updateImportsOnFileMove.enabled": "prompt"
+	"typescript.updateImportsOnFileMove.enabled": "prompt",
+	"mochaExplorer.files": "./data-extraction/test/**/*.test.ts",
+	"mochaExplorer.require": ["ts-node/register", "source-map-support/register"]
 }

data-extraction/package.json

@@ -3,7 +3,7 @@
 	"description": "A library that helps implementing data extractors for the Debug Visualizer VS Code extension.",
 	"version": "0.12.0",
 	"main": "dist/index.js",
-	"types": "dist/index.d.ts",
+	"types": "dist/src/index.d.ts",
 	"author": {
 		"name": "Henning Dieterichs",
 		"email": "henning.dieterichs@live.de"
@@ -23,10 +23,17 @@
 	},
 	"scripts": {
 		"dev": "webpack --watch --mode development",
-		"build": "webpack --mode production"
+		"build": "webpack --mode production",
+		"test": "mocha --require source-map-support/register --require ts-node/register ./test/**/*.test.ts"
 	},
 	"dependencies": {},
 	"devDependencies": {
+		"@types/mocha": "^7.0.2",
+		"coveralls": "^3.0.11",
+		"mocha": "^7.1.1",
+		"mocha-lcov-reporter": "^1.3.0",
+		"nyc": "^15.0.0",
+		"source-map-support": "^0.5.16",
 		"typescript": "^3.8.2",
 		"@types/plotly.js": "1.44.28",
 		"@types/node": "^13.7.4",

data-extraction/src/js/api/DataExtractorApiImpl.ts

@@ -9,6 +9,9 @@ import {
 import { ExtractedData, DataExtractorInfo } from "../../DataExtractionResult";
 import { registerDefaultExtractors } from "./default-extractors";
 
+/**
+ * @internal
+ */
 export class DataExtractorApiImpl implements DataExtractorApi {
 	public static lastEvalFn: (<T>(expression: string) => T) | undefined;
 

data-extraction/src/js/api/index.ts

@@ -1,2 +1,3 @@
 export * from "./DataExtractorApi";
 export * from "./injection";
+export { DataExtractorApiImpl } from "./DataExtractorApiImpl";

data-extraction/test/main.test.ts

@@ -0,0 +1,16 @@
+import {
+	getDataExtractorApi,
+	DataExtractorApiImpl,
+} from "@hediet/debug-visualizer-data-extraction";
+
+describe("extractor", () => {
+	it("should not crash", () => {
+		const dataExtractor = new DataExtractorApiImpl();
+		dataExtractor.registerDefaultExtractors();
+		const result = dataExtractor.getData(
+			() => [1, 2, 3],
+			() => null!,
+			undefined
+		);
+	});
+});

data-extraction/tsconfig.json

@@ -3,14 +3,14 @@
 		"target": "esnext",
 		"module": "commonjs",
 		"strict": true,
-		"outDir": "dist",
+		"outDir": "./dist",
 		"skipLibCheck": true,
-		"rootDir": "./src",
+		"rootDir": ".",
 		"resolveJsonModule": true,
 		"declaration": true,
 		"declarationMap": true,
 		"newLine": "LF",
 		"sourceMap": true
 	},
-	"include": ["./src/**/*"]
+	"include": ["./src/**/*", "./test/**/*"]
 }