Fix linux generated test check

Author: ferranpujolcamins

.travis.yml

@@ -13,7 +13,9 @@ matrix:
       script: ./BuildScripts/osx_script.sh
       # Coverage delivery to codeclimate setup
       # codeclimate only shows us results of one run, so we just run it once on last xcode release.
-      before_script: ./BuildScripts/osx_coverage_before.sh
+      before_script:
+        - ./BuildScripts/osx_check_test_generated.sh
+        - ./BuildScripts/osx_coverage_before.sh
       after_script: ./BuildScripts/osx_coverage_after.sh
 
     - os: linux
@@ -26,4 +28,3 @@ matrix:
         # https://docs.travis-ci.com/user/installing-dependencies/#Installing-Projects-from-Source
         - PATH=$PATH:$PWD/swift/usr/bin/
       script: ./BuildScripts/linux_script.sh
-      before_script: ./BuildScripts/linux_check_test_generated.sh

BuildScripts/linux_check_test_generated.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+set -ev
 SWIFT_URL=$1
 
 wget ${SWIFT_URL} -O /tmp/swift.tar.gz

BuildScripts/linux_install.sh

@@ -1,3 +1,4 @@
 #!/bin/bash
+set -ev
 swift test -c debug --filter "SwiftGraphTests"
 # swift test -c release -Xswiftc -enable-testing --filter "SwiftGraphPerformanceTests"

BuildScripts/linux_script.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -ev
+
+# Assert that the linux test files are generated.
+# We need to make this test here since the command only works on osx.
+swift test --generate-linuxmain
+git diff --exit-code