Merge lp:~elopio/snappy/test_free_space into lp:~snappy-dev/snappy/snappy-moved-to-github

[Leo Arias]

Added a test for the free unpartitioned space.

[Federico Gimenez (fgimenez)]

LGTM, a couple of ignorable nits about naming imports inline :)

review: Approve

[lp:~elopio/snappy/test_free_space]

652. By Leo Arias on 2015-09-04

Import fixes.

[Leo Arias (elopio)]

Thanks Federico. I pushed the changes.

review: Approve

[Oliver Grawert (ogra)]

looks good

review: Approve

=== added file '_integration-tests/tests/get_unpartitioned_space'
--- _integration-tests/tests/get_unpartitioned_space	1970-01-01 00:00:00 +0000
+++ _integration-tests/tests/get_unpartitioned_space	2015-09-04 13:48:54 +0000
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+set -e
+
+writable_part="$(findfs LABEL=writable)"
+syspath="$(dirname $(realpath /sys/class/block/$(basename $writable_part)))"
+device="$(realpath /dev/block/$(cat $syspath/dev))"
+sudo parted $device unit % print free | grep 'Free Space' | tail -n1 | awk '{print $3}'

=== added file '_integration-tests/tests/initramfs_test.go'
--- _integration-tests/tests/initramfs_test.go	1970-01-01 00:00:00 +0000
+++ _integration-tests/tests/initramfs_test.go	2015-09-04 13:48:54 +0000
@@ -0,0 +1,47 @@
+// -*- Mode: Go; indent-tabs-mode: t -*-
+
+/*
+ * Copyright (C) 2015 Canonical Ltd
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package tests
+
+import (
+	"os/exec"
+	"strconv"
+	"strings"
+
+	"launchpad.net/snappy/_integration-tests/testutils/common"
+
+	"gopkg.in/check.v1"
+)
+
+var _ = check.Suite(&initRAMFSSuite{})
+
+type initRAMFSSuite struct {
+	common.SnappySuite
+}
+
+func (s *initRAMFSSuite) TestFreeSpace(c *check.C) {
+	cmd := exec.Command("sh", "_integration-tests/tests/get_unpartitioned_space")
+	free, err := cmd.Output()
+	freePercent := strings.TrimRight(strings.TrimSpace(string(free)), "%")
+	freePercentFloat, err := strconv.ParseFloat(freePercent, 32)
+	c.Assert(err, check.IsNil,
+		check.Commentf("Error converting the free space percentage to float: %s", err))
+	c.Assert(freePercentFloat < 10, check.Equals, true,
+		check.Commentf("The free space at the end of the disk is greater than 10%"))
+}