test: Add tests for mounting /dev

1 files changed, 156 insertions, 0 deletions

diff --git a/test/test_mount.sh b/test/test_mount.sh
new file mode 100755
index 0000000..e2e7d1b
--- /dev/null
+++ b/test/test_mount.sh
@@ -0,0 +1,156 @@
+#!/bin/sh
+
+oneTimeSetUp()
+{
+	sed -e "s#/proc/filesystems#${SHUNIT_TMPDIR}/proc-filesystems#" \
+	    -e "s#^.*/lib/udev/shell-compat-KV.sh##" \
+	    < ../init.d/udev \
+	    > "${SHUNIT_TMPDIR}"/udev.initd
+	cp "${SHUNIT_TMPDIR}"/udev.initd /tmp
+	. "${SHUNIT_TMPDIR}"/udev.initd
+}
+
+set_mountinfo_result()
+{
+	MOUNTINFO_RESULT=$1
+}
+
+set_dev_is_mounted()
+{
+	set_mountinfo_result 0
+}
+
+set_fstabinfo_result()
+{
+	FSTABINFO_RESULT=$1
+}
+
+set_fstab_has_dev()
+{
+	set_fstabinfo_result 0
+}
+
+set_proc_filesystems()
+{
+	local fs
+	for fs; do
+		echo "$fs"
+	done > "${SHUNIT_TMPDIR}"/proc-filesystems
+}
+
+setUp()
+{
+	RC_CMD=start
+	rm -f "$SHUNIT_TMPDIR"/*.actual
+	set_proc_filesystems tmpfs
+	set_mountinfo_result 1
+	set_fstabinfo_result 1
+}
+
+check_kv()
+{
+	local input="$1" actual= expected="$2"
+	actual=$(KV_to_int "$input" 2>/dev/null)
+	assertEquals "$?" "0"
+	assertEquals "$expected" "$actual"
+}
+
+expect_fail_kv()
+{
+	local input="$1" actual=
+	actual=$(KV_to_int "$input" 2>&1)
+	assertEquals "$?" "1"
+	assertEquals "" "$actual"
+}
+
+get_KV()
+{
+	echo 7
+}
+
+KV_to_int()
+{
+	echo 5
+}
+
+mount()
+{
+	echo "mount $@" >> "$SHUNIT_TMPDIR"/mount_call.actual
+}
+
+fstabinfo()
+{
+	echo "fstabinfo $@" >> "$SHUNIT_TMPDIR"/fstabinfo_call.actual
+	return "${FSTABINFO_RESULT}"
+}
+
+mountinfo()
+{
+	echo "mountinfo $@" >> "$SHUNIT_TMPDIR"/mountinfo.actual
+	return "${MOUNTINFO_RESULT}"
+}
+
+einfo()
+{
+	echo "einfo $@" >> "$SHUNIT_TMPDIR"/einfo.actual
+}
+
+ebegin()
+{
+:
+}
+
+eend()
+{
+:
+}
+
+
+testMountAlreadyMounted()
+{
+	set_dev_is_mounted
+
+	mount_dev_directory
+
+	assertFalse "fstabinfo must not be called" "[ -e '"$SHUNIT_TMPDIR"/fstabinfo_call.actual' ]"
+	assertFalse "mount must not be called" "[ -e '"$SHUNIT_TMPDIR"/mount_call.actual' ]"
+}
+
+testMountUseFstab()
+{
+	set_fstab_has_dev
+
+	mount_dev_directory
+
+	assertTrue "fstabinfo must be called" "[ -e '"$SHUNIT_TMPDIR"/fstabinfo_call.actual' ]"
+	assertFalse "mount must not be called" "[ -e '"$SHUNIT_TMPDIR"/mount_call.actual' ]"
+}
+
+testMountExplicitTmpfs()
+{
+	mount_dev_directory
+
+	assertTrue "fstabinfo must be called" "[ -e '"$SHUNIT_TMPDIR"/fstabinfo_call.actual' ]"
+	assertTrue "mount must be called" "[ -e '"$SHUNIT_TMPDIR"/mount_call.actual' ]"
+	grep -q -- '-t tmpfs ' "$SHUNIT_TMPDIR"/mount_call.actual
+	assertTrue "$?"
+	grep -q -- '-t devtmpfs ' "$SHUNIT_TMPDIR"/mount_call.actual
+	assertFalse "$?"
+}
+
+testMountExplicitDevtmpfs()
+{
+	set_proc_filesystems tmpfs devtmpfs
+
+	mount_dev_directory
+
+	assertTrue "fstabinfo must be called" "[ -e '"$SHUNIT_TMPDIR"/fstabinfo_call.actual' ]"
+	assertTrue "mount must be called" "[ -e '"$SHUNIT_TMPDIR"/mount_call.actual' ]"
+	grep -q -- '-t tmpfs ' "$SHUNIT_TMPDIR"/mount_call.actual
+	assertFalse "$?"
+	grep -q -- '-t devtmpfs ' "$SHUNIT_TMPDIR"/mount_call.actual
+	assertTrue "$?"
+}
+
+. ./shunit2
+