Update gating tests to be tmt compatible

.fmf/version

@@ -0,0 +1 @@
+1

plans/all.fmf

@@ -0,0 +1,8 @@
+summary: Run gating tests
+discover:
+    how: fmf
+    dist-git-source: true
+    dist-git-type: centos
+
+execute:
+    how: tmt

tests/main.fmf

@@ -0,0 +1,6 @@
+summary: Run python-oauthlib upstream tests
+require:
+  - httpd
+  - python-oauthlib
+test: ./oauthtests.sh
+duration: 30m

tests/oauthtests.sh

@@ -1,5 +1,7 @@
 #!/bin/bash -x
 
+PKG="python-oauthlib"
+
 die () {
     echo "$1" >&2
     exit 1
@@ -14,10 +16,23 @@ fi
 # install dependencies (pytest & blinker)
 #
 rm -rf venv
-python3 -m venv venv
+python3 -m venv --system-site-packages --symlinks venv
 . venv/bin/activate
 pip install -r requirements-tests.txt
 
+# If source not found, download it with dnf
+if [ ! -d ./source ]; then
+    # Extract source from srpm
+    echo "## source directory not found.  attempting to download via rpm"
+    dnf download --source ${PKG} && \
+    rpm2cpio ${PKG}*.rpm|cpio -id && \
+    mkdir source && \
+    tar -zxf ${PKG}-*.tar.gz -C source --strip-components=1
+    if [ $? != 0 ]; then
+        echo "Failed to download upstream tests"
+        exit 1
+    fi
+fi
 
 # rename source code directory to be sure that we are
 # testing files from our rpm
@@ -25,7 +40,7 @@ cd source || die "Missing source directory!"
 if [ -d oauthlib ] ; then
     mv oauthlib oauthlib.backup || die "Can't rename/hide source code directory!"
 fi
-ln -s $SITEDIR/oauthlib || die "Can't locate installed library"
+# ln -s $SITEDIR/oauthlib || die "Can't locate installed library"
 
 #
 # run upstream tests, skip jwt tests