Issue 4125 - [emscripten] Convert filter classes to C++

test/filterClasses.js

Index: test/filterClasses.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/test/filterClasses.js
@@ -0,0 +1,182 @@
+"use strict";
+
+let {
+  Filter, InvalidFilter, CommentFilter, RegExpFilter, WhiteListFilter,
+  ElemHideFilter, ElemHideException
+} = require("../lib/filterClassesNew");
+
+Filter.fromText("/asdf??+/");
+
+exports.testFromText = function(test)
+{
+  let tests = [
+    ["!asdf", CommentFilter, "comment"],
+    ["asdf", RegExpFilter, "blocking"],
+    ["asdf$image,~collapse", RegExpFilter, "blocking"],
+    ["/asdf/", RegExpFilter, "blocking"],
+    ["/asdf??+/", InvalidFilter, "invalid"],
+    ["@@asdf", WhiteListFilter, "whitelist"],
+    ["@@asdf$image,~collapse", WhiteListFilter, "whitelist"],
+    ["@@/asdf/", WhiteListFilter, "whitelist"],
+    ["@@/asdf??+/", InvalidFilter, "invalid"],
+    ["##asdf", ElemHideFilter, "elemhide"],
+    ["#@#asdf", ElemHideException, "elemhideexception"],
+    ["foobar##asdf", ElemHideFilter, "elemhide"],
+    ["foobar#@#asdf", ElemHideException, "elemhideexception"],
+    ["foobar##a", ElemHideFilter, "elemhide"],
+    ["foobar#@#a", ElemHideException, "elemhideexception"],
+
+    ["foobar#asdf", RegExpFilter, "blocking"],
+    ["foobar|foobas##asdf", RegExpFilter, "blocking"],
+    ["foobar##asdf{asdf}", RegExpFilter, "blocking"],
+    ["foobar##", RegExpFilter, "blocking"],
+    ["foobar#@#", RegExpFilter, "blocking"],
+  ];
+  for (let [text, type, typeName, location] of tests)
+  {
+    let filter = Filter.fromText(text);
+    try
+    {
+      test.ok(filter instanceof Filter, "Got filter for " + text);
+      test.equal(filter.text, text, "Correct filter text for " + text);
+      test.ok(filter instanceof type, "Correct filter type for " + text);
+      test.equal(filter.type, typeName, "Type name for " + text + " is " + typeName);
+      if (type == InvalidFilter)
+        test.ok(filter.reason, "Invalid filter " + text + " has a reason set");
+    }
+    finally
+    {
+      filter.delete();
+    }
+  }
+  test.done();
+};
+
+exports.testNormalize = function(test)
+{
+  let tests = [
+    ["  foo bar ", "foobar"],
+    ["foobar", "foobar"],
+    [" !  comment something ", "!  comment something"],
+    [" ! \n comment something ", "!  comment something"],
+    [" foo , bar ## foo > bar ", "foo,bar##foo > bar"],
+    [" foo , bar #@# foo > bar ", "foo,bar#@#foo > bar"],
+  ];
+  for (let [text, expected] of tests)
+    test.equal(Filter.normalize(text), expected);
+  test.done();
+};
+
+exports.testActiveFilter = function(test)
+{
+  let filter1 = Filter.fromText("asdf");
+  let filter1copy = Filter.fromText("asdf");
+  let filter2 = Filter.fromText("##foobar");
+
+  try
+  {
+    test.ok(!filter1.disabled && !filter1copy.disabled && !filter2.disabled, "Filters are initially enabled");
+    filter1.disabled = true;
+    test.ok(filter1.disabled, "Disabling filter works");
+    test.ok(filter1copy.disabled, "Filter copies are also disabled");
+    test.ok(!filter2.disabled, "Disabling one filter doesn't disable others");
+
+    test.ok(filter1.hitCount === 0 && filter1copy.hitCount === 0 && filter2.hitCount === 0, "Filters have no hit initially");
+    filter1.hitCount = 5;
+    test.equal(filter1.hitCount, 5, "Changing hit count works");
+    test.equal(filter1copy.hitCount, 5, "Hit count of filter copies is also changed");
+    test.equal(filter2.hitCount, 0, "Hit count of other filters isn't affected");
+
+    test.ok(filter1.lastHit === 0 && filter1copy.lastHit === 0 && filter2.lastHit === 0, "Filters have no last hit time initially");
+    filter1.lastHit = 10;
+    test.equal(filter1.lastHit, 10, "Changing last hit time works");
+    test.equal(filter1copy.lastHit, 10, "Last hit time of filter copies is also changed");
+    test.equal(filter2.lastHit, 0, "Last hit time of other filters isn't affected");
+  }
+  finally
+  {
+    filter1.delete();
+    filter1copy.delete();
+    filter2.delete();
+  }
+
+  test.done();
+};
+
+exports.testMatching = function(test)
+{
+  function testMatch(text, location, contentType, docDomain, thirdParty, sitekey, expected)
+  {
+    let filter = Filter.fromText(text);
+    test.equal(filter.matches(location), expected, "Result of filter " + text + " matching " + location);
+    filter.delete();
+
+    filter = Filter.fromText("@@" + text)
+    test.equal(filter.matches(location), expected, "Result of filter @@" + text + " matching " + location);
+    filter.delete();
+  }
+
+  // Basic filters
+  testMatch("abc", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("abc", "http://ABC/adf", "IMAGE", null, false, null, true);
+  testMatch("abc", "http://abd/adf", "IMAGE", null, false, null, false);
+  testMatch("|abc", "http://abc/adf", "IMAGE", null, false, null, false);
+  testMatch("|http://abc", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("abc|", "http://abc/adf", "IMAGE", null, false, null, false);
+  testMatch("abc/adf|", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("||example.com/foo", "http://example.com/foo/bar", "IMAGE", null, false, null, true);
+  testMatch("||com/foo", "http://example.com/foo/bar", "IMAGE", null, false, null, true);
+  testMatch("||mple.com/foo", "http://example.com/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||/example.com/foo", "http://example.com/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||example.com/foo/bar|", "http://example.com/foo/bar", "IMAGE", null, false, null, true);
+  testMatch("||example.com/foo", "http://foo.com/http://example.com/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||example.com/foo|", "http://example.com/foo/bar", "IMAGE", null, false, null, false);
+
+  // Separator placeholders
+  testMatch("abc^d", "http://abc/def", "IMAGE", null, false, null, true);
+  testMatch("abc^e", "http://abc/def", "IMAGE", null, false, null, false);
+  testMatch("def^", "http://abc/def", "IMAGE", null, false, null, true);
+  testMatch("http://abc/d^f", "http://abc/def", "IMAGE", null, false, null, false);
+  testMatch("http://abc/def^", "http://abc/def", "IMAGE", null, false, null, true);
+  testMatch("^foo=bar^", "http://abc/?foo=bar", "IMAGE", null, false, null, true);
+  testMatch("^foo=bar^", "http://abc/?a=b&foo=bar", "IMAGE", null, false, null, true);
+  testMatch("^foo=bar^", "http://abc/?foo=bar&a=b", "IMAGE", null, false, null, true);
+  testMatch("^foo=bar^", "http://abc/?notfoo=bar", "IMAGE", null, false, null, false);
+  testMatch("^foo=bar^", "http://abc/?foo=barnot", "IMAGE", null, false, null, false);
+  testMatch("^foo=bar^", "http://abc/?foo=bar%2Enot", "IMAGE", null, false, null, false);
+  testMatch("||example.com^", "http://example.com/foo/bar", "IMAGE", null, false, null, true);
+  testMatch("||example.com^", "http://example.company.com/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||example.com^", "http://example.com:1234/foo/bar", "IMAGE", null, false, null, true);
+  testMatch("||example.com^", "http://example.com.com/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||example.com^", "http://example.com-company.com/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||example.com^foo", "http://example.com/foo/bar", "IMAGE", null, false, null, true);
+  testMatch("||пример.ру^", "http://пример.ру/foo/bar", "IMAGE", null, false, null, true);
+  testMatch("||пример.ру^", "http://пример.руководитель.ру/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||пример.ру^", "http://пример.ру:1234/foo/bar", "IMAGE", null, false, null, true);
+  testMatch("||пример.ру^", "http://пример.ру.ру/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||пример.ру^", "http://пример.ру-ководитель.ру/foo/bar", "IMAGE", null, false, null, false);
+  testMatch("||пример.ру^foo", "http://пример.ру/foo/bar", "IMAGE", null, false, null, true);
+
+  // Wildcard matching
+  testMatch("abc*d", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("abc*d", "http://abcd/af", "IMAGE", null, false, null, true);
+  testMatch("abc*d", "http://abc/d/af", "IMAGE", null, false, null, true);
+  testMatch("abc*d", "http://dabc/af", "IMAGE", null, false, null, false);
+  testMatch("*abc", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("abc*", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("|*abc", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("abc*|", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("abc***d", "http://abc/adf", "IMAGE", null, false, null, true);
+
+  // Regular expressions
+  testMatch("/abc/", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("/abc/", "http://abcd/adf", "IMAGE", null, false, null, true);
+  testMatch("*/abc/", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("*/abc/", "http://abcd/adf", "IMAGE", null, false, null, false);
+  testMatch("/a\\wc/", "http://abc/adf", "IMAGE", null, false, null, true);
+  testMatch("/a\\wc/", "http://a1c/adf", "IMAGE", null, false, null, true);
+  testMatch("/a\\wc/", "http://a_c/adf", "IMAGE", null, false, null, true);
+  testMatch("/a\\wc/", "http://a%c/adf", "IMAGE", null, false, null, false);
+
+  test.done();
+};