Fix tests (#1775)

* Remove ts rc from test matrix

* upgrade typescript version to 4.7

* skip NodeNext tests on incompatible node versions

.github/workflows/continuous-integration.yml

@@ -51,7 +51,7 @@ jobs:
       matrix:
         os: [ubuntu, windows]
         # Don't forget to add all new flavors to this list!
-        flavor: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
+        flavor: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]
         include:
           # Node 12.15
           - flavor: 1
@@ -95,64 +95,47 @@ jobs:
             nodeFlag: 14
             typescript: next
             typescriptFlag: next
-          - flavor: 8
-            node: 14
-            nodeFlag: 14
-            typescript: rc
-            typescriptFlag: rc
           # Node 16
           # Node 16.11.1
           # Earliest version that supports old ESM Loader Hooks API: https://github.com/TypeStrong/ts-node/pull/1522
-          - flavor: 9
+          - flavor: 8
             node: 16.11.1
             nodeFlag: 16_11_1
             typescript: latest
             typescriptFlag: latest
-          - flavor: 10
+          - flavor: 9
             node: 16
             nodeFlag: 16
             typescript: latest
             typescriptFlag: latest
             downgradeNpm: true
-          - flavor: 11
+          - flavor: 10
             node: 16
             nodeFlag: 16
             typescript: 2.7
             typescriptFlag: 2_7
             downgradeNpm: true
-          - flavor: 12
+          - flavor: 11
             node: 16
             nodeFlag: 16
             typescript: next
             typescriptFlag: next
             downgradeNpm: true
-          - flavor: 13
-            node: 16
-            nodeFlag: 16
-            typescript: rc
-            typescriptFlag: rc
-            downgradeNpm: true
           # Node 18
-          - flavor: 14
+          - flavor: 12
             node: 18
             nodeFlag: 18
             typescript: latest
             typescriptFlag: latest
             downgradeNpm: true
-          - flavor: 15
+          - flavor: 13
             node: 18
             nodeFlag: 18
             typescript: next
             typescriptFlag: next
             downgradeNpm: true
-          - flavor: 16
-            node: 18
-            nodeFlag: 18
-            typescript: rc
-            typescriptFlag: rc
-            downgradeNpm: true
           # Node nightly
-          - flavor: 17
+          - flavor: 14
             node: nightly
             nodeFlag: nightly
             typescript: latest

package.json

@@ -138,7 +138,7 @@
     "semver": "^7.1.3",
     "throat": "^6.0.1",
     "typedoc": "^0.22.10",
-    "typescript": "4.6.4",
+    "typescript": "4.7.2",
     "typescript-json-schema": "^0.53.0",
     "util.promisify": "^1.0.1"
   },

src/test/helpers.ts

@@ -68,6 +68,14 @@ export const nodeSupportsImportAssertions = semver.gte(
   process.version,
   '17.1.0'
 );
+// Node 14.13.0 has a bug where it tries to lex CJS files to discover named exports *before*
+// we transform the code.
+// In other words, it tries to parse raw TS as CJS and balks at `export const foo =`, expecting to see `exports.foo =`
+// This lexing only happens when CJS TS is imported from the ESM loader.
+export const nodeSupportsImportingTransformedCjsFromEsm = semver.gte(
+  process.version,
+  '14.13.1'
+);
 /** Supports tsconfig "extends" >= v3.2.0 */
 export const tsSupportsTsconfigInheritanceViaNodePackages = semver.gte(
   ts.version,

src/test/module-node.spec.ts

@@ -2,6 +2,7 @@ import { expect, context } from './testlib';
 import {
   CMD_TS_NODE_WITHOUT_PROJECT_FLAG,
   isOneOf,
+  nodeSupportsImportingTransformedCjsFromEsm,
   resetNodeEnvironment,
   tsSupportsStableNodeNextNode16,
 } from './helpers';
@@ -18,7 +19,9 @@ type Test = typeof test;
 
 // Declare one test case for each permutations of project configuration
 test.suite('TypeScript module=NodeNext and Node16', (test) => {
-  test.runIf(tsSupportsStableNodeNextNode16);
+  test.runIf(
+    tsSupportsStableNodeNextNode16 && nodeSupportsImportingTransformedCjsFromEsm
+  );
 
   for (const allowJs of [true, false]) {
     for (const typecheckMode of [
@@ -63,6 +66,7 @@ function declareTest(test: Test, testParams: TestParams) {
     t.log(stdout);
     t.log(stderr);
     expect(err).toBe(null);
+    expect(stdout).toMatch(/done\n$/);
   });
 }
 
@@ -216,6 +220,8 @@ function writeFixturesToFilesystem(name: string, testParams: TestParams) {
     }
   }
 
+  indexFile.content += `console.log('done');\n`;
+
   proj.rm();
   proj.write();
   return proj;