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devmapper: implement Usage

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Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>
This commit is contained in:
Maksym Pavlenko
2019-03-27 14:50:12 -07:00
parent 010b4da36f
commit 87289a0c62
4 changed files with 157 additions and 9 deletions
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8
snapshots/devmapper/pool_device_test.go
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@@ -168,6 +168,10 @@ func testCreateThinDevice(t *testing.T, pool *PoolDevice) {
assert.NilError(t, err)
assert.Assert(t, deviceInfo1.DeviceID != deviceInfo2.DeviceID, "assigned device ids should be different")
usage, err := pool.GetUsage(thinDevice1)
assert.NilError(t, err)
assert.Equal(t, usage, int64(0))
}
func testMakeFileSystem(t *testing.T, pool *PoolDevice) {
@@ -180,6 +184,10 @@ func testMakeFileSystem(t *testing.T, pool *PoolDevice) {
output, err := exec.Command("mkfs.ext4", args...).CombinedOutput()
assert.NilError(t, err, "failed to make filesystem on '%s': %s", thinDevice1, string(output))
usage, err := pool.GetUsage(thinDevice1)
assert.NilError(t, err)
assert.Assert(t, usage > 0)
}
func testCreateSnapshot(t *testing.T, pool *PoolDevice) {