Add a test for connecting to postgres with a pgpass file

Signed-off-by: Ben Abrams <me@benabrams.it>

Author: majormoses

CHANGELOG.md

@@ -5,6 +5,9 @@ This CHANGELOG follows the format listed [here](https://github.com/sensu-plugins
 
 ## [Unreleased]
 
+### Added
+- tests for connecting with a pgpass file (@majormoses)
+
 ## [1.4.5] - 2018-02-15
 ### Fixed
 - metric-postgres-graphite.rb: use the custom defined port when connecting to slave (@henkjan)

test/fixtures/bootstrap.sh

@@ -15,6 +15,11 @@ source /etc/profile
 DATA_DIR=/tmp/kitchen/data
 RUBY_HOME=${MY_RUBY_HOME}
 
+# setup a .pgpass file
+cat << EOF > /tmp/.pgpass
+*:5432:*:postgres:<REDACTED>
+EOF
+
 # Start bootatraping
 
 ## install some required deps for pg_gem to install

test/integration/helpers/serverspec/check-postgres-alive-shared_spec.rb

@@ -23,3 +23,8 @@
   its(:exit_status) { should eq 0 }
   its(:stdout) { should match(/CheckPostgres OK: Server version: {"version"=>"PostgreSQL/) }
 end
+
+describe command("#{check} --hostname #{pg_host} --pgpass /tmp/.pgpass") do
+  its(:exit_status) { should eq 0 }
+  its(:stdout) { should match(/CheckPostgres OK: Server version: {"version"=>"PostgreSQL/) }
+end