s/i/dmverity: add clarifying comments for test data generation

canonical · Jan 9, 2025 · c01745b · c01745b
1 parent 61e72fc
commit c01745b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/snap/integrity/dmverity/veritysetup_test.go b/snap/integrity/dmverity/veritysetup_test.go
@@ -213,6 +213,9 @@ func (s *VerityTestSuite) TestVerityVersionDetect(c *C) {
 }
 
 func (s *VerityTestSuite) TestReadSuperBlockSuccess(c *C) {
+	// testdisk.verity is generated by:
+	// - dd if=/dev/zero of=testdisk bs=8M count=1
+	// - veritysetup format testdisk testdisk.verity
 	sb, err := dmverity.ReadSuperBlock("testdata/testdisk.verity")
 	c.Check(err, IsNil)
 
@@ -223,6 +226,9 @@ func (s *VerityTestSuite) TestReadSuperBlockSuccess(c *C) {
 
 func (s *VerityTestSuite) TestReadSuperBlockError(c *C) {
 	// Attempt to read an empty disk
+
+	// testdisk is generated by:
+	// - dd if=/dev/zero of=testdisk bs=8M count=1
 	_, err := dmverity.ReadSuperBlock("testdata/testdisk")
 	c.Check(err, ErrorMatches, "invalid dm-verity superblock header")
 }