From fbe1f8b4cb7cfca5aa6a6a1cd36600e77f52cf68 Mon Sep 17 00:00:00 2001
From: Winnie Hellmann <winnie@gitlab.com>
Date: Tue, 26 Mar 2019 20:49:05 +0100
Subject: [PATCH] Provide custom Jest environment with mocked console
---
jest.config.js | 1 +
spec/frontend/environment.js | 27 +++++++++++++++++++++++++++
2 files changed, 28 insertions(+)
create mode 100644 spec/frontend/environment.js
diff --git a/jest.config.js b/jest.config.js
index 1f6e04390ae30..cd0d311779db5 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -37,4 +37,5 @@ module.exports = {
},
transformIgnorePatterns: ['node_modules/(?!(@gitlab/ui)/)'],
timers: 'fake',
+ testEnvironment: '<rootDir>/spec/frontend/environment.js',
};
diff --git a/spec/frontend/environment.js b/spec/frontend/environment.js
new file mode 100644
index 0000000000000..cb128c7d88098
--- /dev/null
+++ b/spec/frontend/environment.js
@@ -0,0 +1,27 @@
+/* eslint-disable import/no-commonjs */
+
+const { ErrorWithStack } = require('jest-util');
+const JSDOMEnvironment = require('jest-environment-jsdom');
+
+class CustomEnvironment extends JSDOMEnvironment {
+ constructor(config, context) {
+ super(config, context);
+ Object.assign(context.console, {
+ error(...args) {
+ throw new ErrorWithStack(
+ `Unexpected call of console.error() with:\n\n${args.join(', ')}`,
+ this.error,
+ );
+ },
+
+ warn(...args) {
+ throw new ErrorWithStack(
+ `Unexpected call of console.warn() with:\n\n${args.join(', ')}`,
+ this.warn,
+ );
+ },
+ });
+ }
+}
+
+module.exports = CustomEnvironment;
--
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