Split unit tests into 3 groups. (#67917)

shippable.yml

@@ -30,6 +30,14 @@ matrix:
     - env: T=units/3.8/2
     - env: T=units/3.9/2
 
+    - env: T=units/2.6/3
+    - env: T=units/2.7/3
+    - env: T=units/3.5/3
+    - env: T=units/3.6/3
+    - env: T=units/3.7/3
+    - env: T=units/3.8/3
+    - env: T=units/3.9/3
+
     - env: T=windows/2012/1
     - env: T=windows/2012-R2/1
     - env: T=windows/2016/1

test/utils/shippable/units.sh

@@ -9,22 +9,48 @@ version="${args[1]}"
 group="${args[2]}"
 
 if [[ "${COVERAGE:-}" == "--coverage" ]]; then
-    timeout=75
+    timeout=90
 else
-    timeout=20
+    timeout=30
 fi
 
 group1=()
 group2=()
+group3=()
 
-# create two groups by putting long running network tests into one group
-# add or remove more network platforms as needed to balance the two groups
+# create three groups by putting network tests into separate groups
+# add or remove network platforms as needed to balance the groups
 
-networks=(
+networks2=(
+    aireos
+    apconos
+    aruba
+    asa
+    avi
+    check_point
+    cloudengine
+    cloudvision
+    cnos
+    cumulus
+    dellos10
+    dellos6
+    dellos9
+    edgeos
+    edgeswitch
+    enos
+    eos
+    eric_eccli
+    exos
     f5
     fortimanager
-    fortios
+    frr
+    ftd
+    icx
+    ingate
     ios
+    iosxr
+    ironware
+    itential
     junos
     netact
     netscaler
@@ -43,7 +69,11 @@ networks=(
     vyos
 )
 
-for network in "${networks[@]}"; do
+networks3=(
+    fortios
+)
+
+for network in "${networks2[@]}"; do
     test_path="test/units/modules/network/${network}/"
 
     if [ -d "${test_path}" ]; then
@@ -52,13 +82,23 @@ for network in "${networks[@]}"; do
     fi
 done
 
+for network in "${networks3[@]}"; do
+    test_path="test/units/modules/network/${network}/"
+
+    if [ -d "${test_path}" ]; then
+        group1+=(--exclude "${test_path}")
+        group3+=("${test_path}")
+    fi
+done
+
 case "${group}" in
     1) options=("${group1[@]:+${group1[@]}}") ;;
     2) options=("${group2[@]:+${group2[@]}}") ;;
+    3) options=("${group3[@]:+${group3[@]}}") ;;
 esac
 
-if [ ${#options[@]} -eq 0 ] && [ "${group}" -eq 2 ]; then
-    # allow collection migration unit tests for group 2 to "pass" without updating shippable.yml or this script during migration
+if [ ${#options[@]} -eq 0 ] && [ "${group}" -gt 1 ]; then
+    # allow collection migration unit tests for groups other than 1 to "pass" without updating shippable.yml or this script during migration
     echo "No unit tests found for group ${group}."
     exit
 fi