add a simple unit test harness based on xpcshell; add two tests for PBE and to load all the modules; add some hacks to the component's makefile to make tests work correctly

services/crypto/Makefile

@@ -40,7 +40,7 @@ idl = IWeaveCrypto.idl
 cpp_sources = WeaveCrypto.cpp WeaveCryptoModule.cpp
 target = WeaveCrypto # will have .so / .dylib / .dll appended
 
-sdkdir =
+sdkdir ?= ${MOZSDKDIR}
 destdir = ..
 platformdir = $(destdir)/platform/$(platform)
 
@@ -147,6 +147,8 @@ so_target = $(target:=.$(so))
 
 ######################################################################
 
+.PHONY: all build install test-install clean
+
 all: build # default target
 
 build: $(so_target) $(idl_typelib)
@@ -157,6 +159,14 @@ install: build
 	cp $(idl_typelib) $(destdir)/components
 	cp $(so_target) $(platformdir)/components
 
+# gross hack to get around component registration for xpcshell tests
+test-install: install
+	ln -sf `pwd`/$(destdir)/defaults/preferences/sync.js $(sdkdir)/bin/defaults/pref/sync.js # fixme!!
+	ln -sf `pwd`/$(destdir)/components/$(idl_typelib) $(sdkdir)/bin/components/$(idl_typelib)
+	ln -sf `pwd`/$(platformdir)/components/$(so_target) $(sdkdir)/bin/components/$(so_target)
+	rm -f $(sdkdir)/bin/components/compreg.dat
+	rm -f $(sdkdir)/bin/components/xpti.dat
+
 clean: 
 	rm -f $(so_target) $(cpp_objects) $(idl_typelib) $(idl_headers)
 

services/sync/tests/unit/Makefile

@@ -0,0 +1 @@
+../harness/Makefile

services/sync/tests/unit/head_first.js

@@ -0,0 +1,28 @@
+version(180);
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+
+let ds = Cc["@mozilla.org/file/directory_service;1"]
+  .getService(Ci.nsIProperties);
+
+let provider = {
+  getFile: function(prop, persistent) {
+    persistent.value = true;
+    if (prop == "ExtPrefDL") {
+      return [ds.get("CurProcD", Ci.nsIFile)];
+    }
+    throw Cr.NS_ERROR_FAILURE;
+  },
+  QueryInterface: function(iid) {
+    if (iid.equals(Ci.nsIDirectoryServiceProvider) ||
+        iid.equals(Ci.nsISupports)) {
+      return this;
+    }
+    throw Cr.NS_ERROR_NO_INTERFACE;
+  }
+};
+ds.QueryInterface(Ci.nsIDirectoryService).registerProvider(provider);
+
+do_bind_resource(do_get_file("modules"), "weave");

services/sync/tests/unit/test_loadall.js

@@ -0,0 +1,15 @@
+function run_test() {
+  Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+  Components.utils.import("resource://weave/constants.js");
+  Components.utils.import("resource://weave/log4moz.js");
+  Components.utils.import("resource://weave/util.js");
+  Components.utils.import("resource://weave/async.js");
+  Components.utils.import("resource://weave/crypto.js");
+  Components.utils.import("resource://weave/identity.js");
+  Components.utils.import("resource://weave/dav.js");
+  Components.utils.import("resource://weave/wrap.js");
+  Components.utils.import("resource://weave/stores.js");
+  Components.utils.import("resource://weave/syncCores.js");
+  Components.utils.import("resource://weave/engines.js");
+  Components.utils.import("resource://weave/service.js");
+}

services/sync/tests/unit/test_pbe.js

@@ -0,0 +1,24 @@
+function run_test() {
+  // initialize nss
+  let ch = Cc["@mozilla.org/security/hash;1"].createInstance(Ci.nsICryptoHash);
+
+  let pbe = Cc["@labs.mozilla.com/Weave/Crypto;1"].getService(Ci.IWeaveCrypto);
+
+  pbe.algorithm = pbe.DES_EDE3_CBC;
+  let cipherTxt = pbe.encrypt("passphrase", "my very secret message!");
+
+  do_check_true(cipherTxt != "my very secret message!");
+
+  let clearTxt = pbe.decrypt("passphrase", cipherTxt);
+  do_check_true(clearTxt == "my very secret message!");
+
+  // The following check with wrong password must cause decryption to fail
+  // beuase of used padding-schema cipher, RFC 3852 Section 6.3
+  let failure = false;
+  try {
+    pbe.decrypt("wrongpassphrase", cipherTxt);
+  } catch (e) {
+    failure = true;
+  }
+  do_check_true(failure);
+}