fix: Configure Jest to run snapshot tests properly

- Add separate jest.snapshot.config.js for snapshot tests
- Configure module mappings for pyright-internal dependencies
- Disable TypeScript diagnostics in Jest to avoid compilation errors
- Ensure build runs before snapshot tests in GitHub workflow
- Clean up unused run-tests.js file

Author: jupblb

.github/workflows/scip-snapshot.yml

@@ -41,6 +41,6 @@ jobs:
             exit 1
           fi
       - run: npm install
-      - run: cd ./packages/pyright-scip/ && npm install
+      - run: cd ./packages/pyright-scip/ && npm install && npm run build
       - run: python --version
       - run: cd ./packages/pyright-scip/ && npm run check-snapshots

packages/pyright-scip/jest.snapshot.config.js

@@ -0,0 +1,29 @@
+/*
+ * jest.snapshot.config.js
+ *
+ * Configuration for snapshot tests that need to import pyright-internal.
+ */
+
+const { pathsToModuleNameMapper } = require('ts-jest');
+const { compilerOptions } = require('./tsconfig');
+
+module.exports = {
+    testEnvironment: 'node',
+    roots: ['<rootDir>/test/'],
+    transform: {
+        '^.+\\.tsx?$': ['ts-jest', {
+            tsconfig: 'tsconfig.test.json',
+            isolatedModules: true,
+            diagnostics: false,
+        }],
+    },
+    testMatch: ['**/test/test-*.ts'],
+    moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx'],
+    moduleNameMapper: {
+        ...pathsToModuleNameMapper(compilerOptions.paths, { prefix: '<rootDir>' }),
+        '^typescript-char$': '<rootDir>/../pyright-internal/node_modules/.pnpm/typescript-char@0.0.0/node_modules/typescript-char',
+        '^vscode-uri$': '<rootDir>/../pyright-internal/node_modules/.pnpm/vscode-uri@3.1.0/node_modules/vscode-uri',
+        '^vscode-languageserver-protocol$': '<rootDir>/../pyright-internal/node_modules/.pnpm/vscode-languageserver-protocol@3.17.3/node_modules/vscode-languageserver-protocol',
+        '^vscode-languageserver-types$': '<rootDir>/../pyright-internal/node_modules/.pnpm/vscode-languageserver-types@3.17.3/node_modules/vscode-languageserver-types',
+    },
+};

packages/pyright-scip/package.json

@@ -8,8 +8,8 @@
         "build-agent": "webpack --mode development",
         "clean": "shx rm -rf ./dist ./out README.md LICENSE.txt",
         "prepack": "npm run clean && shx cp ../../README.md . && shx cp ../../LICENSE.txt . && npm run build",
-        "check-snapshots": "node ./run-tests.js",
-        "update-snapshots": "node ./run-tests.js --update",
+        "check-snapshots": "npm run build && jest --config jest.snapshot.config.js --testPathPattern=test/test-main.ts --forceExit --detectOpenHandles",
+        "update-snapshots": "npm run build && UPDATE_SNAPSHOTS=true jest --config jest.snapshot.config.js --testPathPattern=test/test-main.ts --forceExit --detectOpenHandles",
         "test": "jest --forceExit --detectOpenHandles",
         "webpack": "webpack --mode development --progress",
         "watch": "webpack --mode development --progress --watch",