feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 43 insertions, 0 deletions

diff --git a/vanilla/node_modules/undici/lib/mock/pending-interceptors-formatter.js b/vanilla/node_modules/undici/lib/mock/pending-interceptors-formatter.js
new file mode 100644
index 0000000..ccca951
--- /dev/null
+++ b/vanilla/node_modules/undici/lib/mock/pending-interceptors-formatter.js
@@ -0,0 +1,43 @@
+'use strict'
+
+const { Transform } = require('node:stream')
+const { Console } = require('node:console')
+
+const PERSISTENT = process.versions.icu ? '✅' : 'Y '
+const NOT_PERSISTENT = process.versions.icu ? '❌' : 'N '
+
+/**
+ * Gets the output of `console.table(…)` as a string.
+ */
+module.exports = class PendingInterceptorsFormatter {
+  constructor ({ disableColors } = {}) {
+    this.transform = new Transform({
+      transform (chunk, _enc, cb) {
+        cb(null, chunk)
+      }
+    })
+
+    this.logger = new Console({
+      stdout: this.transform,
+      inspectOptions: {
+        colors: !disableColors && !process.env.CI
+      }
+    })
+  }
+
+  format (pendingInterceptors) {
+    const withPrettyHeaders = pendingInterceptors.map(
+      ({ method, path, data: { statusCode }, persist, times, timesInvoked, origin }) => ({
+        Method: method,
+        Origin: origin,
+        Path: path,
+        'Status code': statusCode,
+        Persistent: persist ? PERSISTENT : NOT_PERSISTENT,
+        Invocations: timesInvoked,
+        Remaining: persist ? Infinity : times - timesInvoked
+      }))
+
+    this.logger.table(withPrettyHeaders)
+    return this.transform.read().toString()
+  }
+}