diff --git a/fiori/test/build/build-task.js b/fiori/test/build/build-task.js
new file mode 100644
index 00000000..7b0a2d79
--- /dev/null
+++ b/fiori/test/build/build-task.js
@@ -0,0 +1,14 @@
+const cds = require ('./sap-cds')
+
+module.exports = class extends cds.build.Task {
+
+  async build ({src='*'}) {
+    this.log (`Generating edmx output for '${src}'...`)
+    const csn = await this.model(src)
+    return Promise.all (csn.services.map (srv => {
+      const edmx = cds.compile(csn).to.edmx({service:srv.name})
+      return this.write(edmx).to(`{srv}/src/main/resources/${srv.name}.edmx`)
+    }))
+  }
+
+}
diff --git a/fiori/test/build/sap-cds.js b/fiori/test/build/sap-cds.js
new file mode 100644
index 00000000..642228f7
--- /dev/null
+++ b/fiori/test/build/sap-cds.js
@@ -0,0 +1,51 @@
+const cds = require ('@sap/cds/lib')
+const path = require('path')
+const cwd = process.cwd()
+
+const _resolve = (root,file) => path.resolve (cwd, root, file.replace(/{(app|db|srv)}\/?/g, (_,folder) => cds.env.folders[folder]))
+const _local = (file) => path.relative (cwd,file)
+
+
+class BuildTask {
+
+  async build (options) {}
+  async clean (options) {}
+
+  async model(src='*') {
+    return cds.linked (await cds.load(src))
+  }
+
+  log(...args) { return console.log(...args) }
+  warn(...args) { return console.warn(...args) }
+  error(...args) { return console.error(...args) }
+
+  write(x) {
+    if (typeof x === 'object') x = JSON.stringify(x,null,'  ')
+    return { to: async (dst)=>{
+      const file = _resolve (this.options.dest, dst)
+      await cds.utils.mkdirp (path.dirname (file))
+      await cds.utils.promises.writeFile (file,x)
+      console.log ('> wrote:', _local(file))
+      return file
+    }}
+  }
+
+  copy(x) {
+    return { to: async (dst) => {} }
+  }
+
+}
+
+
+module.exports = Object.assign (cds, {
+  build: {
+    run (tasks, _options) {
+      const options = { dest:'gen', ..._options }
+      return Promise.all(tasks.map (async each => {
+        const task = Object.assign (new each, {options})
+        await task.build (options)
+      }))
+    },
+    Task: BuildTask
+  }
+})
diff --git a/fiori/test/build/test.js b/fiori/test/build/test.js
new file mode 100644
index 00000000..d1ba3519
--- /dev/null
+++ b/fiori/test/build/test.js
@@ -0,0 +1,5 @@
+const cds = require ('./sap-cds')
+const task = require('./build-task')
+
+cds.build.run ([task], {src:process.argv[2]})
+.catch(console.error)