From 516afc8ed664aa82fd0213b20431874538c0e3d6 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Wed, 30 Aug 2017 13:35:44 +0100
Subject: [PATCH] [functional-tests] era-xml

---
 functional-tests/era-xml.scm | 43 ++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 functional-tests/era-xml.scm

diff --git a/functional-tests/era-xml.scm b/functional-tests/era-xml.scm
new file mode 100644
index 0000000..27ed010
--- /dev/null
+++ b/functional-tests/era-xml.scm
@@ -0,0 +1,43 @@
+(library
+  (era-xml)
+  (export generate-xml)
+  (import (rnrs)
+          (list-utils)
+          (fmt fmt)
+          (generators)
+          (xml)
+          (srfi s27 random-bits)
+          (only (srfi s1 lists) iota))
+
+  (define (rand-percent pc)
+    (if (< (random-integer 100) pc)
+        "true"
+        "false"))
+
+  (define (generate-writeset era nr-bits)
+    (tag 'writeset `((era . ,era)
+                     (nr-bits . , nr-bits))
+         (vcat
+           (map (lambda (bit)
+                  (tag 'bit `((block . ,bit)
+                              (value . ,(rand-percent 10)))))
+                (iota nr-bits)))))
+
+  (define (generate-xml block-size nr-blocks current-era nr-writesets)
+    (tag 'superblock `((uuid . "")
+                       (block-size . ,block-size)
+                       (nr-blocks . ,nr-blocks)
+                       (current-era . ,current-era))
+           (cat
+             (vcat
+               (map (lambda (ws)
+                      (generate-writeset (- current-era ws) nr-blocks))
+                    (iota nr-writesets)))
+             nl
+             (tag 'era-array '()
+                  (vcat
+                    (map (lambda (n)
+                           (tag 'era `((block . ,n)
+                                       (era . ,(random-integer current-era)))))
+                         (iota nr-blocks)))))))
+  )