Fix tests for Debian Stretch

- nagios is not available
- curl can use HTTP2 (headers are lowercase)
- bypass tests when htpasswd is empty (bypass issue #28)

tests/includes/post_Debian.yml

@@ -1,11 +1,19 @@
 ---
 
 - name: APT | Install webapps
-  apt: pkg={{ item }} state=present install_recommends=no
+  apt:
+    pkg: "{{ item }}"
+    state: present
+    install_recommends: no
   with_items:
     - backuppc
-    - nagios3
 #    - owncloud
 
+- name: APT | Install nagios3 (only on old Debian releases)
+  apt:
+    pkg: nagios3
+    state: present
+  when: ansible_distribution_major_version < 9
+
 - name: SERVICE | Ensure backuppc is started
   service: name=backuppc state=started

tests/test.yml

@@ -316,6 +316,9 @@
 # --------------------------------
 # Basic Auth
 # --------------------------------
+
+    - block:
+
       - name: -- VERIFY AUTH BASIC NONE --
         command: "curl -H 'Host: test-htpasswd.local' http://127.0.0.1/hello/"
         changed_when: false
@@ -346,6 +349,8 @@
         register: authgok
         failed_when: authgok.stdout.find('401 Authorization Required') != -1
 
+      when: nginx_htpasswd | length > 0
+
 # --------------------------------
 # BackupPC
 # --------------------------------
@@ -357,8 +362,10 @@
       when: ansible_distribution != 'FreeBSD'
 
 # --------------------------------
-# Nagios
+# Nagios (not avaiblable on Debian >= 9)
 # --------------------------------
+    - block:
+
       - name: -- VERIFY NAGIOS3 PHP --
         command: "curl -u nagiosadmin:nagios -H 'Host: nagios3.local' http://127.0.0.1/side.php"
         changed_when: false
@@ -371,6 +378,8 @@
         register: nagios_cgi
         failed_when: nagios_cgi.stdout.find('Nagios Event Summary') == -1
 
+      when: ansible_distribution_major_version < 9
+
 # --------------------------------
 # Owncloud
 # --------------------------------
@@ -425,7 +434,7 @@
       register: vdefault
       failed_when: >
         vdefault.stdout.find('Index HTML test OK') == -1 or
-        vdefault.stderr.find('X-ansible-default') == -1
+        vdefault.stderr.lower().find('x-ansible-default') == -1
 
     - name: -- VERIFY DEFAULT SSL SITE --
       command: "curl --insecure -v https://127.0.0.1/"
@@ -433,26 +442,26 @@
       register: defaultssl
       failed_when: >
         defaultssl.stdout.find('Index HTML test OK') == -1 or
-        defaultssl.stderr.find('X-ansible-default') == -1
+        defaultssl.stderr.lower().find('x-ansible-default') == -1
 
     - name: -- VERIFY NOT DEFAULT SITE --
       command: "curl -v -H 'Host: test-php.local' http://127.0.0.1/"
       changed_when: false
       register: vphp
-      failed_when: vphp.stderr.find('X-ansible-default') != -1
+      failed_when: vphp.stderr.lower().find('x-ansible-default') != -1
 
     - name: -- VERIFY NOT DEFAULT SSL SITE --
       command: "curl --insecure -v -H 'Host: test-ssl.local' https://127.0.0.1/"
       changed_when: false
       register: notdefaultssl
-      failed_when: notdefaultssl.stderr.find('X-ansible-default') != -1
+      failed_when: notdefaultssl.stderr.lower().find('x-ansible-default') != -1
 
     - name: -- VERIFY DEFAULT SITE + STUB_STATUS --
       command: "curl -v http://127.0.0.1/status"
       changed_when: false
       register: vdefault_status
       failed_when: >
-        vdefault_status.stderr.find('X-ansible-default') == -1 or
+        vdefault_status.stderr.lower().find('x-ansible-default') == -1 or
         vdefault_status.stdout.find('Active connections') == -1
 
 # --------------------------------