Add dns tests

In the dns commit, tests were accidently omitted due to a
rebase against master.

Signed-off-by: baude <bbaude@redhat.com>

Closes: #245
Approved by: baude

test/podman_run_dns.bats

@@ -0,0 +1,47 @@
+#!/usr/bin/env bats
+
+load helpers
+
+function teardown() {
+    cleanup_test
+}
+
+function setup() {
+    copy_images
+}
+
+@test "test addition of a search domain" {
+    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} run --rm --dns-search=foobar.com ${ALPINE} cat /etc/resolv.conf | grep foo"
+    echo "$output"
+    [ "$status" -eq 0 ]
+}
+
+@test "test addition of a bad dns server" {
+    run ${PODMAN_BINARY} ${PODMAN_OPTIONS} create --dns="foo" ${ALPINE} ls
+    echo "$output"
+    [ "$status" -ne 0 ]
+}
+
+@test "test addition of a dns server" {
+    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} run --rm --dns='1.2.3.4' ${ALPINE} cat /etc/resolv.conf | grep '1.2.3.4'"
+    echo "$output"
+    [ "$status" -eq 0 ]
+}
+
+@test "test addition of a dns option" {
+    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} run --rm --dns-opt='debug' ${ALPINE} cat /etc/resolv.conf | grep 'options debug'"
+    echo "$output"
+    [ "$status" -eq 0 ]
+}
+
+@test "test addition of a bad add-host" {
+    run ${PODMAN_BINARY} ${PODMAN_OPTIONS} create --add-host="foo:1.2" ${ALPINE} ls
+    echo "$output"
+    [ "$status" -ne 0 ]
+}
+
+@test "test addition of add-host" {
+    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} run --rm --add-host='foobar:1.1.1.1' ${ALPINE} cat /etc/hosts | grep 'foobar'"
+    echo "$output"
+    [ "$status" -eq 0 ]
+}