install libjannson and gtest before build

.travis.yml

@@ -7,7 +7,7 @@ before_install:
   - sudo apt install libjansson-dev
   - mkdir -p .deps
   - cd .deps
-  - wget https://github.com/libfuse/libfuse/archive/fuse-3.1.1.tar.gz
+  - wget -O use-3.1.1.tar.gz https://github.com/libfuse/libfuse/archive/fuse-3.1.1.tar.gz
   - tar -xf fuse-3.1.1.tar.gz
   - cd libfuse-fuse-3.1.1
   - ./makeconf.sh
@@ -15,8 +15,8 @@ before_install:
   - make
   - sudo make install
   - cd ..
-  - wget https://github.com/warmcat/libwebsockets/archive/v3.1.0.tar.gz
-  - tar -xf v3.1.0.tar.gz
+  - wget -O libwebsockets-3.1.0.tat.gz https://github.com/warmcat/libwebsockets/archive/v3.1.0.tar.gz
+  - tar -xf libwebsockets-3.1.0.tar.gz
   - cd libwebsockets-3.1.0
   - mkdir .build
   - cd .build
@@ -25,12 +25,32 @@ before_install:
   - sudo make install
   - cd ..
   - cd ..
+  - wget -O libjansson-2.12.tar.gz https://github.com/akheron/jansson/archive/v2.12.tar.gz
+  - tar -xf libjansson-2.12.tar.gz
+  - cd jansson-2.12
+  - mkdir .build
+  - cd .build
+  - cmake ..
+  - make
+  - sudo make install
+  - cd ..
+  - cd ..
+  - wget -O gtest-1.8.1.tar.gz https://github.com/google/googletest/archive/release-1.8.1.tar.gz
+  - tar -xf gtest-1.8.1.tar.gz
+  - cd googletest-release-1.8.1
+  - mkdir .build
+  - cd .build
+  - cmake ..
+  - make
+  - sudo make install
+  - cd ..
+  - cd ..
   - cd ..
 
 before_script:
   - mkdir .build
   - cd .build
-  - cmake -DCMAKE_BUILD_TYPE=Debug ..
+  - cmake -DCMAKE_BUILD_TYPE=Debug -DWITH_TESTS=ON ..
 
 script:
   - make