From 5639de7571bc1807e6486c9d05cc455a74346922 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <lars.wirzenius@codethink.co.uk>
Date: Tue, 22 Apr 2014 15:17:41 +0000
Subject: Add a "WHEN" variant of "GIVEN a running WEBAPP"

---
 yarns.webapp/030-queue-management.yarn |  2 +-
 yarns.webapp/900-implementations.yarn  | 37 +++---------------------------
 yarns.webapp/yarn.sh                   | 42 ++++++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 35 deletions(-)

(limited to 'yarns.webapp')

diff --git a/yarns.webapp/030-queue-management.yarn b/yarns.webapp/030-queue-management.yarn
index 91a8511..427bc72 100644
--- a/yarns.webapp/030-queue-management.yarn
+++ b/yarns.webapp/030-queue-management.yarn
@@ -26,7 +26,7 @@ new one, and verify that the `running-queue` status is still `true`.
     WHEN WEBAPP is terminated
     THEN WEBAPP isn't running
 
-    GIVEN a running WEBAPP
+    WHEN WEBAPP is started
     WHEN admin makes request GET /1.0/status
     THEN response has running_queue set to false
 
diff --git a/yarns.webapp/900-implementations.yarn b/yarns.webapp/900-implementations.yarn
index 4f87be9..859bb40 100644
--- a/yarns.webapp/900-implementations.yarn
+++ b/yarns.webapp/900-implementations.yarn
@@ -24,41 +24,10 @@ but the shell doesn't wait for it to terminate. This way, WEBAPP will
 be running until it crashes or is explicitly killed.
 
     IMPLEMENTS GIVEN a running WEBAPP
-    rm -f "$DATADIR/webapp.pid"
-    rm -f "$DATADIR/webapp.port"
-    mkfifo "$DATADIR/webapp.port"
+    start_webapp
 
-    add_to_config_file "$DATADIR/webapp.conf" \
-        statedb "$DATADIR/webapp.db"
-    add_to_config_file "$DATADIR/webapp.conf" \
-        status-html "$DATADIR/lc-status.html"
-    add_to_config_file "$DATADIR/webapp.conf" \
-        log "$DATADIR/webapp.log"
-    add_to_config_file "$DATADIR/webapp.conf" \
-        log-level debug
-    add_to_config_file "$DATADIR/webapp.conf" \
-        debug-host 127.0.0.1
-    add_to_config_file "$DATADIR/webapp.conf" \
-        debug-port-file "$DATADIR/webapp.port"
-    add_to_config_file "$DATADIR/webapp.conf" \
-        static-files "$SRCDIR/static"
-    add_to_config_file "$DATADIR/webapp.conf" \
-       templates "$SRCDIR/templates"
-    add_to_config_file "$DATADIR/webapp.conf" \
-        debug-real-confgit no
-
-    start-stop-daemon -S -x "$SRCDIR/lorry-controller-webapp" \
-        -b -p "$DATADIR/webapp.pid" -m --verbose \
-        -- \
-        --config "$DATADIR/webapp.conf"
-
-    port=$(cat "$DATADIR/webapp.port")
-    rm -f "$DATADIR/webapp.port"
-    echo "$port" >"$DATADIR/webapp.port"
-
-    # Wait for the WEBAPP to actually be ready, i.e., that it's
-    # listening on its assigned port.
-    "$SRCDIR/test-wait-for-port" 127.0.0.1 "$port"
+    IMPLEMENTS WHEN WEBAPP is started
+    start_webapp
     
 Kill the running WEBAPP, using the recorded PID. We need to do this
 both as a WHEN and a FINALLY step.
diff --git a/yarns.webapp/yarn.sh b/yarns.webapp/yarn.sh
index 3c617e3..6f93a5f 100644
--- a/yarns.webapp/yarn.sh
+++ b/yarns.webapp/yarn.sh
@@ -54,3 +54,45 @@ stdin_is_empty()
         exit 1
     fi
 }
+
+
+# Configure (unless already configured) and start a WEBAPP.
+
+start_webapp()
+{
+    rm -f "$DATADIR/webapp.pid"
+    rm -f "$DATADIR/webapp.port"
+    mkfifo "$DATADIR/webapp.port"
+
+    add_to_config_file "$DATADIR/webapp.conf" \
+        statedb "$DATADIR/webapp.db"
+    add_to_config_file "$DATADIR/webapp.conf" \
+        status-html "$DATADIR/lc-status.html"
+    add_to_config_file "$DATADIR/webapp.conf" \
+        log "$DATADIR/webapp.log"
+    add_to_config_file "$DATADIR/webapp.conf" \
+        log-level debug
+    add_to_config_file "$DATADIR/webapp.conf" \
+        debug-host 127.0.0.1
+    add_to_config_file "$DATADIR/webapp.conf" \
+        debug-port-file "$DATADIR/webapp.port"
+    add_to_config_file "$DATADIR/webapp.conf" \
+        static-files "$SRCDIR/static"
+    add_to_config_file "$DATADIR/webapp.conf" \
+       templates "$SRCDIR/templates"
+    add_to_config_file "$DATADIR/webapp.conf" \
+        debug-real-confgit no
+
+    start-stop-daemon -S -x "$SRCDIR/lorry-controller-webapp" \
+        -b -p "$DATADIR/webapp.pid" -m --verbose \
+        -- \
+        --config "$DATADIR/webapp.conf"
+
+    port=$(cat "$DATADIR/webapp.port")
+    rm -f "$DATADIR/webapp.port"
+    echo "$port" >"$DATADIR/webapp.port"
+
+    # Wait for the WEBAPP to actually be ready, i.e., that it's
+    # listening on its assigned port.
+    "$SRCDIR/test-wait-for-port" 127.0.0.1 "$port"
+}
-- 
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