Convert verifies-randomly from cmdtest to yarn

2 files changed, 21 insertions, 1 deletions

diff --git a/yarns/0080-verify.yarn b/yarns/0080-verify.yarn
index 68a508ba..8bc2c239 100644
--- a/yarns/0080-verify.yarn
+++ b/yarns/0080-verify.yarn
@@ -1,10 +1,13 @@
 Verify backed up data
 =====================
 
+Verify notices modification time change
+---------------------------------------
+
 The user may want to verify that all their live data is still intact.
 This is done with `obnam verify`.
 
-    SCENARIO verify live data
+    SCENARIO verify notices mtime change
     GIVEN 100kB of new data in directory L
     AND file L/foo has Unix timestamp 0
     WHEN user U backs up directory L to repository R
@@ -22,3 +25,14 @@ RDF30DX is the error code for metadata change, of which modification
 time is one.
 
     THEN the error message matches "RDF30DX.*st_mtime_sec"
+
+Verify one file randomly
+------------------------
+
+`obnam verify` can pick files to verify randomly, for spot checks.
+
+    SCENARIO verify a random file
+    GIVEN 100kB of new data in directory L
+    WHEN user U backs up directory L to repository R
+    AND user U attempts to verify a random file in  L against repository R
+    THEN the attempt succeeded
diff --git a/yarns/9000-implements.yarn b/yarns/9000-implements.yarn
index 25400662..ab0fe1c8 100644
--- a/yarns/9000-implements.yarn
+++ b/yarns/9000-implements.yarn
@@ -269,6 +269,12 @@ Run `obnam verify` and remember the output.
     attempt run_obnam "$MATCH_1" \
         verify -r "$DATADIR/$MATCH_3" "$DATADIR/$MATCH_2"
 
+Verify a random file in live data.
+
+    IMPLEMENTS WHEN user (\S+) attempts to verify a random file in (\S+) against repository (\S+)
+    attempt run_obnam "$MATCH_1" \
+        verify -r "$DATADIR/$MATCH_3" --verify-randomly=1 "$DATADIR/$MATCH_2"
+
 Removing (forgetting) generations
 ---------------------------------