Prettify BATS output

Signed-off-by: yubiuser <github@yubiuser.dev>

.github/Dockerfile

@@ -13,6 +13,15 @@ ENV GIT_TAG=${GIT_TAG}
 ARG BUILD_OPTS=""
 ENV BUILD_OPTS=${BUILD_OPTS}
 
+# Add ncurses used for pretty output in bats tests
+RUN apk add --no-cache ncurses
+ENV TERM=xterm
+
+# Monkeypatch BATS to remove duplicate output of starting and finished test
+# BATS uses ANSI escape codes to overwrite the line after the test has finished
+# This is not supported by Github Actions as it does not provide a TTY to the docker build container
+RUN sed -i '/buffer_with_truncation /d' /bats-core/libexec/bats-core/bats-format-pretty
+
 # Build FTL
 # Remove possible old build files
 RUN rm -rf cmake && \

test/run.sh

@@ -106,7 +106,7 @@ echo -n "Contained dnsmasq version (DNS): "
 dig TXT CHAOS version.bind @127.0.0.1 +short
 
 # Run tests
-$BATS "test/test_suite.bats"
+$BATS -p "test/test_suite.bats"
 RET=$?
 
 curl_to_tricorder() {

test/test_suite.bats

@@ -1,5 +1,9 @@
 #!./test/libs/bats/bin/bats
 
+@test 'fail()' {
+  fail 'this test always fails'
+}
+
 @test "Compare template and test TOML config files" {
   # We skip the first 5 lines of the files as they contain the version and
   # timestamp of the file creation/modification