Merge pull request 'Catch 2 Update' (#538) from mueller/catch2-update into development

Reviewed-on: fsfw/fsfw#538

CMakeLists.txt

@@ -56,7 +56,7 @@ if(FSFW_BUILD_UNITTESTS)
         FetchContent_Declare(
             Catch2
             GIT_REPOSITORY https://github.com/catchorg/Catch2.git
-            GIT_TAG        v3.0.0-preview3
+            GIT_TAG        v3.0.0-preview4
         )
 
         FetchContent_MakeAvailable(Catch2)

automation/Dockerfile

@@ -6,3 +6,9 @@ RUN apt-get --yes upgrade
 #tzdata is a dependency, won't install otherwise
 ARG DEBIAN_FRONTEND=noninteractive
 RUN apt-get --yes install gcc g++ cmake make lcov git valgrind nano
+
+RUN git clone https://github.com/catchorg/Catch2.git && \
+	cd Catch2 && \
+	git checkout v3.0.0-preview4 && \
+	cmake -Bbuild -H. -DBUILD_TESTING=OFF && \
+	cmake --build build/ --target install

automation/Jenkinsfile

@@ -1,28 +1,23 @@
 pipeline {
-    agent any
     environment {
-        BUILDDIR = 'build-unittests'
+        BUILDDIR = 'build-tests'
     }
-    stages {
-        stage('Create Docker') {
     agent {
         dockerfile {
             dir 'automation'
-                    additionalBuildArgs  '--no-cache'
+            //force docker to redownload base image and rebuild all steps instead of caching them
+            //this way, we always get an up to date docker image one each build
+            additionalBuildArgs  '--no-cache --pull'
             reuseNode true
         }
     }
+    stages {
+        stage('Clean') {
             steps {
                 sh 'rm -rf $BUILDDIR'
             }
         }
         stage('Configure') {
-            agent {
-                dockerfile {
-                    dir 'automation'
-                    reuseNode true
-                }
-            }
             steps {
                 dir(BUILDDIR) {
                     sh 'cmake -DFSFW_OSAL=host -DFSFW_BUILD_UNITTESTS=ON ..'
@@ -30,12 +25,6 @@ pipeline {
             }
         }
         stage('Build') {
-            agent {
-                dockerfile {
-                    dir 'automation'
-                    reuseNode true
-                }
-            }
             steps {
                 dir(BUILDDIR) {
                     sh 'cmake --build . -j'
@@ -43,12 +32,6 @@ pipeline {
             }
         }
         stage('Unittests') {
-            agent {
-                dockerfile {
-                    dir 'automation'
-                    reuseNode true
-                }
-            }
             steps {
                 dir(BUILDDIR) {
                     sh 'cmake --build . -- fsfw-tests_coverage -j'
@@ -56,12 +39,6 @@ pipeline {
             }
         }
         stage('Valgrind') {
-            agent {
-                dockerfile {
-                    dir 'automation'
-                    reuseNode true
-                }
-            }
             steps {
                 dir(BUILDDIR) {
                     sh 'valgrind --leak-check=full --error-exitcode=1 ./fsfw-tests'