Code coverage for smoke tests.

Allow non-circle people to build coverage reports.

test/140_weave_local_test.sh

@@ -4,15 +4,15 @@
 
 start_suite "Run weave with --local"
 
-run_on $HOST1 sudo weave --local reset
+run_on $HOST1 sudo COVERAGE=$COVERAGE weave --local reset
 
-run_on $HOST1 sudo weave --local launch --ipalloc-range 10.2.5.0/24
+run_on $HOST1 sudo COVERAGE=$COVERAGE weave --local launch --ipalloc-range 10.2.5.0/24
 assert_raises "docker_on $HOST1 ps | grep weave"
 
-run_on $HOST1 sudo weave --local run 10.2.6.5/24 -ti --name=c1 $SMALL_IMAGE /bin/sh
+run_on $HOST1 sudo COVERAGE=$COVERAGE weave --local run 10.2.6.5/24 -ti --name=c1 $SMALL_IMAGE /bin/sh
 assert_raises "exec_on $HOST1 c1 $CHECK_ETHWE_UP"
 
-run_on $HOST1 sudo weave --local run             -ti --name=c2 $SMALL_IMAGE /bin/sh
+run_on $HOST1 sudo COVERAGE=$COVERAGE weave --local run             -ti --name=c2 $SMALL_IMAGE /bin/sh
 assert_raises "exec_on $HOST1 c2 $CHECK_ETHWE_UP"
 
 end_suite

test/150_connect_forget_test.sh

@@ -33,7 +33,7 @@ assert_raises "exec_on $HOST1 c1 $PING $C2"
 
 # Forget everyone and disconnect
 assert_raises "weave_on $HOST2 forget $HOST1 $HOST2"
-assert_raises "weave_on $HOST1 stop-router"
+assert_raises "weave_stop_router $HOST1"
 assert_raises "weave_on $HOST1 launch-router"
 assert_peers $HOST2 ""
 assert_raises "exec_on $HOST1 c1 sh -c '! $PING $C2'"

test/config.sh

@@ -113,6 +113,15 @@ weave_on() {
     DOCKER_HOST=tcp://$host:$DOCKER_PORT $WEAVE "$@"
 }
 
+weave_stop_router() {
+    host=$1
+    shift 1
+    docker_on $host stop weave 1>/dev/null 2>&1 || true
+    if [ -n "$COVERAGE" ] ; then
+        collect_coverage $host
+    fi
+}
+
 exec_on() {
     host=$1
     container=$2
@@ -196,6 +205,19 @@ start_suite() {
 
 end_suite() {
     whitely assert_end
+    for host in $HOSTS; do
+        weave_stop_router $host
+    done
+}
+
+collect_coverage() {
+    host=$1
+    rm -f cover.router.prof
+    docker_on $host cp weave:/home/weave/cover.router.prof . || true
+
+    # ideally we'd know the name of the test here, and put that in the filename
+    mkdir -p ./coverage
+    mv cover.router.prof $(mktemp -u ./coverage/integration.XXXXXXXX) || true
 }
 
 WEAVE=$DIR/../weave

test/gen_coverage_reports.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -eux
+
+if [ -n "$CIRCLECI" ]; then
+    for i in $(seq 1 $(($CIRCLE_NODE_TOTAL - 1))); do
+        scp node$i:/home/ubuntu/src/github.com/weaveworks/weave/test/coverage/* ./coverage/ || true
+    done
+fi
+
+go get github.com/weaveworks/weave/testing/cover
+cover ./coverage/* >profile.cov
+go tool cover -html=profile.cov -o coverage.html
+go tool cover -func=profile.cov -o coverage.txt
+tar czf coverage.tar.gz ./coverage