Missing helper file

test/helpers/index.js

@@ -0,0 +1,50 @@
+const p = require('path')
+const fs = require('fs')
+const tmp = require('test-tmp')
+
+const Hyperschema = require('hyperschema')
+const Hyperswitch = require('../..')
+
+class TestBuilder {
+  constructor (dir) {
+    this.dir = dir
+    this.schemaDir = p.join(dir, 'hyperschema')
+    this.switchDir = p.join(dir, 'hyperswitch')
+    this.module = null
+    this.version = 0
+  }
+
+  rebuild (builder) {
+    const schema = Hyperschema.from(this.schemaDir)
+    builder.schema(schema)
+    Hyperschema.toDisk(schema)
+    const hyperswitch = Hyperswitch.from(this.schemaDir, this.switchDir)
+    builder.switch(hyperswitch)
+    Hyperswitch.toDisk(hyperswitch)
+
+    if (this.module) {
+      delete require.cache[require.resolve(this.switchDir)]
+      delete require.cache[require.resolve(p.join(this.switchDir, 'switch.json'))]
+    }
+
+    this.module = require(this.switchDir)
+    this.json = require(p.join(this.switchDir, 'switch.json'))
+
+    return schema
+  }
+}
+
+async function createTestSchema (t) {
+  const dir = await tmp(t, { dir: p.join(__dirname, '../test-storage') })
+
+  // Copy the runtime into the tmp dir so that we don't need to override it in the codegen
+  const runtimePath = p.join(dir, 'node_modules', 'hyperswitch', 'runtime.js')
+  await fs.promises.mkdir(p.dirname(runtimePath), { recursive: true })
+  await fs.promises.copyFile(p.resolve(dir, '../../../runtime.js'), runtimePath)
+
+  return new TestBuilder(dir)
+}
+
+module.exports = {
+  createTestSchema
+}