Add nf-core testing to Travis config

.travis.yml

@@ -1,18 +1,26 @@
 sudo: required
-
 language: java
-
 jdk: openjdk8
-
 services:
   - docker
+python:
+  - "2.7"
+cache: pip
+matrix:
+  fast_finish: true
 
 install:
+  # Install Nextflow
   - mkdir /tmp/nextflow
   - cd /tmp/nextflow
   - wget -qO- get.nextflow.io | bash
   - sudo ln -s /tmp/nextflow/nextflow /usr/local/bin/nextflow
-  - cd ${TRAVIS_BUILD_DIR}/tests/
+  # Install nf-core/tools
+  - git clone https://github.com/nf-core/tools.git /tmp/nf-core-tools
+  - cd /tmp/nf-core-tools
+  - pip install --user -e .
+  # Reset
+  - cd ${TRAVIS_BUILD_DIR}
 
 env:
   - CLFLAGS=""       # Basic run
@@ -23,5 +31,6 @@ env:
   # - CLFLAGS="-p -b"  # BWAmeth run, build reference genome
 
 script:
-  - "./run_test.sh -b $CLFLAGS" # Run, build reference genome
-  - "./run_test.sh $CLFLAGS"
+  - "nf-core lint ${TRAVIS_BUILD_DIR}"
+  - "cd ${TRAVIS_BUILD_DIR}/tests && ./run_test.sh -b $CLFLAGS" # Run, build reference genome
+  - "cd ${TRAVIS_BUILD_DIR}/tests && ./run_test.sh $CLFLAGS"