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+ Tue, 05 Mar 2013 19:34:45 -0800 (PST)\r
+From: Aaron Ecay <aaronecay@gmail.com>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH] test/README: mention the test_expect_equal_json and\r
+ *sanitize* functions\r
+Date: Tue, 5 Mar 2013 22:34:42 -0500\r
+Message-Id: <1362540882-1894-1-git-send-email-aaronecay@gmail.com>\r
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+\r
+also fix one typo\r
+---\r
+ test/README | 22 +++++++++++++++++++++-\r
+ 1 file changed, 21 insertions(+), 1 deletion(-)\r
+\r
+diff --git a/test/README b/test/README\r
+index 81c232d..d12cff2 100644\r
+--- a/test/README\r
++++ b/test/README\r
+@@ -178,11 +178,18 @@ library for your script to use.\r
+ \r
+ test_expect_equal_file <file1> <file2>\r
+ \r
+- Identical to test_exepect_equal, except that <file1> and <file2>\r
++ Identical to test_expect_equal, except that <file1> and <file2>\r
+ are files instead of strings. This is a much more robust method to\r
+ compare formatted textual information, since it also notices\r
+ whitespace and closing newline differences.\r
+ \r
++ test_expect_equal_json <output> <expected>\r
++\r
++ Identical to test_expect_equal, except that the two strings are\r
++ treated as JSON and canonicalized before equality testing. This is\r
++ useful to abstract away from whitespace differences in the expected\r
++ output and that generated by running a notmuch command.\r
++\r
+ test_debug <script>\r
+ \r
+ This takes a single argument, <script>, and evaluates it only\r
+@@ -253,3 +260,16 @@ variables which are useful in writing tests:\r
+ generated script that should be called instead of notmuch to do\r
+ the counting. The notmuch_counter_value() function prints the\r
+ current counter value.\r
++\r
++There are also functions which remove various environment-dependent\r
++values from notmuch output; these are useful to ensure that test\r
++results remain consistent across different machines.\r
++\r
++ notmuch_search_sanitize\r
++ notmuch_show_sanitize\r
++ notmuch_show_sanitize_all\r
++ notmuch_json_show_sanitize\r
++\r
++ All these functions should receive the text to be sanitized as the\r
++ input of a pipe, e.g.\r
++ output=`notmuch search "..." | notmuch_search_sanitize`\r
+-- \r
+1.8.1.5\r
+\r