Initial Firebase Functions (#948)

3 files changed, 148 insertions, 0 deletions

diff --git a/Functions/Backend/index.js b/Functions/Backend/index.js
new file mode 100644
index 0000000..0245f1b
--- /dev/null
+++ b/Functions/Backend/index.js
@@ -0,0 +1,95 @@
+const assert = require('assert');
+const functions = require('firebase-functions');
+
+exports.dataTest = functions.https.onRequest((request, response) => {
+  assert.deepEqual(request.body, {
+    data: {
+      bool: true,
+      int: 2,
+      long: {
+        value: '3',
+        '@type': 'type.googleapis.com/google.protobuf.Int64Value',
+      },
+      string: 'four',
+      array: [5, 6],
+      'null': null,
+    }
+  });
+  response.send({
+    data: {
+      message: 'stub response',
+      code: 42,
+      long: {
+        value: '420',
+        '@type': 'type.googleapis.com/google.protobuf.Int64Value',
+      },
+    }
+  });
+});
+
+exports.scalarTest = functions.https.onRequest((request, response) => {
+  assert.deepEqual(request.body, { data: 17 });
+  response.send({ data: 76 });
+});
+
+exports.tokenTest = functions.https.onRequest((request, response) => {
+  assert.equal('Bearer token', request.get('Authorization'));
+  assert.deepEqual(request.body, { data: {} });
+  response.send({ data: {} });
+});
+
+exports.instanceIdTest = functions.https.onRequest((request, response) => {
+  assert.equal(request.get('Firebase-Instance-ID-Token'), 'iid');
+  assert.deepEqual(request.body, { data: {} });
+  response.send({ data: {} });
+});
+
+exports.nullTest = functions.https.onRequest((request, response) => {
+  assert.deepEqual(request.body, { data: null });
+  response.send({ data: null });
+});
+
+exports.missingResultTest = functions.https.onRequest((request, response) => {
+  assert.deepEqual(request.body, { data: null });
+  response.send({});
+});
+
+exports.unhandledErrorTest = functions.https.onRequest((request, response) => {
+  // Fail in a way that the client shouldn't see.
+  throw 'nope';
+});
+
+exports.unknownErrorTest = functions.https.onRequest((request, response) => {
+  // Send an http error with a body with an explicit code.
+  response.status(400).send({
+    error: {
+      status: 'THIS_IS_NOT_VALID',
+      message: 'this should be ignored',
+    },
+  });
+});
+
+exports.explicitErrorTest = functions.https.onRequest((request, response) => {
+  // Send an http error with a body with an explicit code.
+  // Note that eventually the SDK will have a helper to automatically return
+  // the appropriate http status code for an error.
+  response.status(400).send({
+    error: {
+      status: 'OUT_OF_RANGE',
+      message: 'explicit nope',
+      details: {
+        start: 10,
+        end: 20,
+        long: {
+          value: '30',
+          '@type': 'type.googleapis.com/google.protobuf.Int64Value',
+        },
+      },
+    },
+  });
+});
+
+exports.httpErrorTest = functions.https.onRequest((request, response) => {
+  // Send an http error with no body.
+  response.status(400).send();
+});
diff --git a/Functions/Backend/package.json b/Functions/Backend/package.json
new file mode 100644
index 0000000..c227bb1
--- /dev/null
+++ b/Functions/Backend/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "functions",
+  "description": "Cloud Functions for Firebase",
+  "dependencies": {
+    "firebase-admin": "~4.2.1",
+    "firebase-functions": "^0.5.7"
+  },
+  "private": true,
+  "devDependencies": {
+    "@google-cloud/functions-emulator": "^1.0.0-alpha.21"
+  }
+}
diff --git a/Functions/Backend/start.sh b/Functions/Backend/start.sh
new file mode 100755
index 0000000..aaa2b73
--- /dev/null
+++ b/Functions/Backend/start.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# Sets up a project with the functions CLI and starts a backend to run
+# integration tests against.
+
+set -e
+
+# Get the absolute path to the directory containing this script.
+SCRIPT_DIR="$(cd $(dirname ${BASH_SOURCE[0]}) && pwd)"
+TEMP_DIR="$(mktemp -d -t firebase-functions)"
+echo "Creating functions in ${TEMP_DIR}"
+
+# Set up the functions directory.
+cp "${SCRIPT_DIR}/index.js" "${TEMP_DIR}/"
+cp "${SCRIPT_DIR}/package.json" "${TEMP_DIR}/"
+cd "${TEMP_DIR}"
+npm install
+
+# Start the server.
+FUNCTIONS_BIN="./node_modules/.bin/functions"
+"${FUNCTIONS_BIN}" config set projectId functions-integration-test
+"${FUNCTIONS_BIN}" config set supervisorPort 5005
+"${FUNCTIONS_BIN}" config set region us-central1
+"${FUNCTIONS_BIN}" config set verbose true
+"${FUNCTIONS_BIN}" restart
+"${FUNCTIONS_BIN}" deploy dataTest --trigger-http
+"${FUNCTIONS_BIN}" deploy scalarTest --trigger-http
+"${FUNCTIONS_BIN}" deploy tokenTest --trigger-http
+"${FUNCTIONS_BIN}" deploy instanceIdTest --trigger-http
+"${FUNCTIONS_BIN}" deploy nullTest --trigger-http
+"${FUNCTIONS_BIN}" deploy missingResultTest --trigger-http
+"${FUNCTIONS_BIN}" deploy unhandledErrorTest --trigger-http
+"${FUNCTIONS_BIN}" deploy unknownErrorTest --trigger-http
+"${FUNCTIONS_BIN}" deploy explicitErrorTest --trigger-http
+"${FUNCTIONS_BIN}" deploy httpErrorTest --trigger-http
+
+# Wait for the user to tell us to stop the server.
+echo "Functions emulator now running in ${TEMP_DIR}."
+read -n 1 -p "*** Press any key to stop the server. ***"
+echo "\nStopping the emulator..."
+"${FUNCTIONS_BIN}" stop