Use ADC for Emulator Tests (#1575)

.travis.yml

@@ -29,6 +29,7 @@ jobs:
         - TEST_NAME="Emulator End-to-End Tests"
       before_script:
         - echo "==== ${TEST_NAME} ===="
+        - ./scripts/decrypt-app-credentials.sh
       script: 
         - ./scripts/test-triggers-end-to-end.sh
       after_script: skip

scripts/set-default-credentials.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -e
+
+CWD="$(pwd)"
+
+if [ "${TRAVIS}" != "true" ]; then
+  export TRAVIS_COMMIT="localtesting"
+  export TRAVIS_JOB_ID="$(echo $RANDOM)"
+  export TRAVIS_REPO_SLUG="firebase/firebase-tools"
+fi
+
+GOOGLE_APPLICATION_CREDENTIALS="${CWD}/scripts/creds-private.json"
+if [ "${TRAVIS_REPO_SLUG}" == "firebase/firebase-tools" ]; then
+  GOOGLE_APPLICATION_CREDENTIALS="${CWD}/scripts/creds-public.json"
+fi
+export GOOGLE_APPLICATION_CREDENTIALS
+
+echo "Application Default Credentials: ${GOOGLE_APPLICATION_CREDENTIALS}"

scripts/test-hosting.sh

@@ -1,21 +1,12 @@
 #!/usr/bin/env bash
 set -e
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+CWD="$(pwd)"
 
-if [ "${TRAVIS}" != "true" ]; then
-  TRAVIS_COMMIT="localtesting"
-  TRAVIS_JOB_ID="$(echo $RANDOM)"
-  TRAVIS_REPO_SLUG="firebase/firebase-tools"
-fi
+source $DIR/set-default-credentials.sh
 
-CWD="$(pwd)"
 TARGET_FILE="${TRAVIS_COMMIT}-${TRAVIS_JOB_ID}.txt"
 
-GOOGLE_APPLICATION_CREDENTIALS="${CWD}/scripts/creds-private.json"
-if [ "${TRAVIS_REPO_SLUG}" == "firebase/firebase-tools" ]; then
-  GOOGLE_APPLICATION_CREDENTIALS="${CWD}/scripts/creds-public.json"
-fi
-export GOOGLE_APPLICATION_CREDENTIALS
-
 echo "Running in ${CWD}"
 echo "Running with node: $(which node)"
 echo "Running with npm: $(which npm)"

scripts/test-triggers-end-to-end.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
-
 set -xe
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+source $DIR/set-default-credentials.sh
 
 FIREBASE_CLI="./lib/bin/firebase.js"