Run frontend tests only on change in webapp-admin directory (#317)

* Run frontend tests only on change in webapp-admin directory

* added some documentaion

Author: Igor Komlew

.travis.yml

@@ -3,7 +3,7 @@ dist: focal
 jobs:
   include:
     - stage: test
-      name: "Golang build and test"
+      name: "Golang build and tests"
       language: go
       env:
         - GO111MODULE=on
@@ -16,11 +16,11 @@ jobs:
         - make test
 
     - stage: test
-      name: "Node.js test"
+      name: "Node.js tests"
       language: node_js
       node_js:
         - lts/*
       env:
         - NODE_ENV=test
       script:
-        - make test-frontend
+        - make test-frontend-ci

Makefile

@@ -152,10 +152,22 @@ build-frontend:
 
 .PHONY: test-frontend
 test-frontend:
+	NODE_ENV=test cd webapp-admin && \
+	npm install && \
+	npm install -g codecov && \
+	npm run test
+
+IS_WEB_BUILD=$(shell ./web-build.sh)
+.PHONY: test-frontend-ci
+test-frontend-ci:
+ifneq (, $(IS_WEB_BUILD))
+	@echo "run frontend tests"
+	@echo $(IS_WEB_BUILD)
 	NODE_ENV=test cd webapp-admin && \
 	npm install && \
 	npm install -g codecov && \
 	npm run test:ci
+endif
 
 # run application/db in docker
 .PHONY: run-docker

web-build.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+#
+# This script is used from the Makefile/TravisCI in order to find out if
+# some changes where done in webapp-admin/ directory or not. 
+# In the positive case Makefile will run frontend tests from webapp-admin/ directory.
+
+set -e
+
+CHANGED_FILES=`git diff --name-only master`
+IS_WEB_BUILD=False
+WEB_PATH="webapp-admin/*"
+
+for CHANGED_FILE in $CHANGED_FILES; do
+  if [[ $CHANGED_FILE =~ $WEB_PATH ]]; then
+    IS_WEB_BUILD=True
+    break
+  fi
+done
+
+if [[ $IS_WEB_BUILD == True ]]; then
+  echo "yes"
+fi