/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

Components.utils.import("resource://gre/modules/MatchPattern.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");

function createTestFilter({url, filters}) {
  let m = new MatchURLFilters(filters);
  return m.matches(url);
}

function expectPass({url, filters}) {
  ok(createTestFilter({url, filters}),
     `Expected match: ${JSON.stringify(filters)}, ${url}`);
}

function expectFail({url, filters}) {
  ok(!createTestFilter({url, filters}),
     `Expected no match: ${JSON.stringify(filters)}, ${url}`);
}

function expectThrow({url, filters, exceptionMessageContains}) {
  let logData = {filters, url};

  Assert.throws(
    () => {
      createTestFilter({url, filters});
    },
    exceptionMessageContains,
    `Check received exception for expected message: ${JSON.stringify(logData)}`
  );
}

add_task(function* test_match_url_filters() {
  const shouldPass = true;
  const shouldFail = true;
  const shouldThrow = true;

  var testCases = [
    // Empty, undefined and null filters.
    {shouldThrow, exceptionMessageContains: "filters array should not be empty",
     filters: [], url: "http://mozilla.org", },
    {shouldThrow, exceptionMessageContains: "filters should be an array",
     filters: undefined, url: "http://mozilla.org"},
    {shouldThrow, exceptionMessageContains: "filters should be an array",
     filters: null, url: "http://mozilla.org"},

    // Wrong formats (in a real webextension this will be blocked by the schema validation).
    {shouldThrow, exceptionMessageContains: "filters should be an array", filters: {},
     url: "http://mozilla.org"},
    {shouldThrow, exceptionMessageContains: "filters should be an array",
     filters: {nonExistentCriteria: true}, url: "http://mozilla.org", },
    {shouldPass, filters: [{nonExistentCriteria: true}], url: "http://mozilla.org"},

    // Schemes filter over various url schemes.
    {shouldPass, filters: [{schemes: ["http"]}], url: "http://mozilla.org"},
    {shouldPass, filters: [{schemes: ["https"]}], url: "https://mozilla.org"},
    {shouldPass, filters: [{schemes: ["ftp"]}], url: "ftp://fake/ftp/url"},
    {shouldPass, filters: [{schemes: ["about"]}], url: "about:blank"},
    {shouldPass, filters: [{schemes: ["data"]}], url: "data:,testDataURL"},
    {shouldFail, filters: [{schemes: ["http"]}], url: "ftp://fake/ftp/url"},

    // Multiple schemes: pass when at least one scheme matches.
    {shouldPass, filters: [{schemes: ["https", "about"]}], url: "https://mozilla.org"},
    {shouldPass, filters: [{schemes: ["about", "https"]}], url: "https://mozilla.org"},
    {shouldFail, filters: [{schemes: ["about", "http"]}], url: "https://mozilla.org"},

    // Port filter: standard (implicit) ports.
    {shouldPass, filters: [{ports: [443]}], url: "https://mozilla.org"},
    {shouldPass, filters: [{ports: [80]}], url: "http://mozilla.org"},
    {shouldPass, filters: [{ports: [21]}], url: "ftp://ftp.mozilla.org"},

    // Port filter: schemes without a default port.
    {shouldFail, filters: [{ports: [-1]}], url: "about:blank"},
    {shouldFail, filters: [{ports: [-1]}], url: "data:,testDataURL"},

    {shouldFail, filters: [{ports: [[1, 65535]]}], url: "about:blank"},
    {shouldFail, filters: [{ports: [[1, 65535]]}], url: "data:,testDataURL"},

    // Host filters (hostEquals, hostContains, hostPrefix, hostSuffix): schemes with an host.
    {shouldFail, filters: [{hostEquals: ""}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostEquals: null}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostEquals: "mozilla.org"}], url: "https://mozilla.org"},
    {shouldFail, filters: [{hostEquals: "mozilla.com"}], url: "https://mozilla.org"},
    // NOTE: trying at least once another valid protocol.
    {shouldPass, filters: [{hostEquals: "mozilla.org"}], url: "ftp://mozilla.org"},
    {shouldFail, filters: [{hostEquals: "mozilla.com"}], url: "ftp://mozilla.org"},
    {shouldPass, filters: [{hostEquals: "mozilla.org"}], url: "https://mozilla.org:8888"},

    {shouldPass, filters: [{hostContains: "moz"}], url: "https://mozilla.org"},
    // NOTE: an implicit '.' char is inserted into the host.
    {shouldPass, filters: [{hostContains: ".moz"}], url: "https://mozilla.org"},
    {shouldFail, filters: [{hostContains: "com"}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostContains: ""}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostContains: null}], url: "https://mozilla.org"},

    {shouldPass, filters: [{hostPrefix: "moz"}], url: "https://mozilla.org"},
    {shouldFail, filters: [{hostPrefix: "org"}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostPrefix: ""}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostPrefix: null}], url: "https://mozilla.org"},

    {shouldPass, filters: [{hostSuffix: ".org"}], url: "https://mozilla.org"},
    {shouldFail, filters: [{hostSuffix: "moz"}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostSuffix: ""}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostSuffix: null}], url: "https://mozilla.org"},
    {shouldPass, filters: [{hostSuffix: "lla.org"}], url: "https://mozilla.org:8888"},

    // hostEquals: urls without an host.
    // TODO: should we explicitly cover hostContains, hostPrefix, hostSuffix for
    // these sub-cases?
    {shouldFail, filters: [{hostEquals: "blank"}], url: "about:blank"},
    {shouldFail, filters: [{hostEquals: "blank"}], url: "about://blank"},
    {shouldFail, filters: [{hostEquals: "testDataURL"}], url: "data:,testDataURL"},
    {shouldPass, filters: [{hostEquals: ""}], url: "about:blank"},
    {shouldPass, filters: [{hostEquals: ""}], url: "about://blank"},
    {shouldPass, filters: [{hostEquals: ""}], url: "data:,testDataURL"},

    // Path filters (pathEquals, pathContains, pathPrefix, pathSuffix).
    {shouldFail, filters: [{pathEquals: ""}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathEquals: null}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathEquals: "/test/path"}], url: "https://mozilla.org/test/path"},
    {shouldFail, filters: [{pathEquals: "/wrong/path"}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathEquals: "/test/path"}], url: "https://mozilla.org:8888/test/path"},
    // NOTE: trying at least once another valid protocol
    {shouldPass, filters: [{pathEquals: "/test/path"}], url: "ftp://mozilla.org/test/path"},
    {shouldFail, filters: [{pathEquals: "/wrong/path"}], url: "ftp://mozilla.org/test/path"},

    {shouldPass, filters: [{pathContains: "st/"}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathContains: "/test"}], url: "https://mozilla.org/test/path"},
    {shouldFail, filters: [{pathContains: "org"}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathContains: ""}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathContains: null}], url: "https://mozilla.org/test/path"},
    {shouldFail, filters: [{pathContains: "param"}], url: "https://mozilla.org:8888/test/path?param=1"},
    {shouldFail, filters: [{pathContains: "ref"}], url: "https://mozilla.org:8888/test/path#ref"},
    {shouldPass, filters: [{pathContains: "st/pa"}], url: "https://mozilla.org:8888/test/path"},

    {shouldPass, filters: [{pathPrefix: "/te"}], url: "https://mozilla.org/test/path"},
    {shouldFail, filters: [{pathPrefix: "org/"}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathPrefix: ""}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathPrefix: null}], url: "https://mozilla.org/test/path"},

    {shouldPass, filters: [{pathSuffix: "/path"}], url: "https://mozilla.org/test/path"},
    {shouldFail, filters: [{pathSuffix: "th/"}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathSuffix: ""}], url: "https://mozilla.org/test/path"},
    {shouldPass, filters: [{pathSuffix: null}], url: "https://mozilla.org/test/path"},
    {shouldFail, filters: [{pathSuffix: "p=1"}], url: "https://mozilla.org:8888/test/path?p=1"},
    {shouldFail, filters: [{pathSuffix: "ref"}], url: "https://mozilla.org:8888/test/path#ref"},

    // Query filters (queryEquals, queryContains, queryPrefix, querySuffix).
    {shouldFail, filters: [{queryEquals: ""}], url: "https://mozilla.org/?param=val"},
    {shouldPass, filters: [{queryEquals: null}], url: "https://mozilla.org/?param=val"},
    {shouldPass, filters: [{queryEquals: "param=val"}], url: "https://mozilla.org/?param=val"},
    {shouldFail, filters: [{queryEquals: "?param=val"}], url: "https://mozilla.org/?param=val"},
    {shouldFail, filters: [{queryEquals: "/path?param=val"}], url: "https://mozilla.org/path?param=val"},

    // NOTE: about scheme urls cannot be matched by query.
    {shouldFail, filters: [{queryEquals: "param=val"}], url: "about:blank?param=val"},
    {shouldFail, filters: [{queryEquals: "param"}], url: "ftp://mozilla.org?param=val"},

    {shouldPass, filters: [{queryContains: "ram"}], url: "https://mozilla.org/?param=val"},
    {shouldPass, filters: [{queryContains: "=val"}], url: "https://mozilla.org/?param=val"},
    {shouldFail, filters: [{queryContains: "?param"}], url: "https://mozilla.org/?param=val"},
    {shouldFail, filters: [{queryContains: "path"}], url: "https://mozilla.org/path/?p=v#ref"},
    {shouldPass, filters: [{queryContains: ""}], url: "https://mozilla.org/?param=val"},
    {shouldPass, filters: [{queryContains: null}], url: "https://mozilla.org/?param=val"},

    {shouldPass, filters: [{queryPrefix: "param"}], url: "https://mozilla.org/?param=val"},
    {shouldFail, filters: [{queryPrefix: "p="}], url: "https://mozilla.org/?param=val"},
    {shouldFail, filters: [{queryPrefix: "path"}], url: "https://mozilla.org/path?param=val"},
    {shouldPass, filters: [{queryPrefix: ""}], url: "https://mozilla.org/?param=val"},
    {shouldPass, filters: [{queryPrefix: null}], url: "https://mozilla.org/?param=val"},

    {shouldPass, filters: [{querySuffix: "=val"}], url: "https://mozilla.org/?param=val"},
    {shouldFail, filters: [{querySuffix: "=wrong"}], url: "https://mozilla.org/?param=val"},
    {shouldPass, filters: [{querySuffix: ""}], url: "https://mozilla.org/?param=val"},
    {shouldPass, filters: [{querySuffix: null}], url: "https://mozilla.org/?param=val"},

    // URL filters (urlEquals, urlContains, urlPrefix, urlSuffix).
    {shouldFail, filters: [{urlEquals: ""}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlEquals: null}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlEquals: "https://mozilla.org/?p=v#ref"}],
     url: "https://mozilla.org/?p=v#ref"},
    {shouldFail, filters: [{urlEquals: "https://mozilla.org/?p=v#ref2"}],
     url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlEquals: "about:blank?p=v#ref"}], url: "about:blank?p=v#ref"},
    {shouldPass, filters: [{urlEquals: "ftp://mozilla.org?p=v#ref"}],
     url: "ftp://mozilla.org?p=v#ref"},

    {shouldPass, filters: [{urlContains: "org/?p"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlContains: "=v#ref"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldFail, filters: [{urlContains: "ftp"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlContains: ""}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlContains: null}], url: "https://mozilla.org/?p=v#ref"},

    {shouldPass, filters: [{urlPrefix: "http"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldFail, filters: [{urlPrefix: "moz"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlPrefix: ""}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlPrefix: null}], url: "https://mozilla.org/?p=v#ref"},

    {shouldPass, filters: [{urlSuffix: "#ref"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldFail, filters: [{urlSuffix: "=wrong"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlSuffix: ""}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlSuffix: null}], url: "https://mozilla.org/?p=v#ref"},

    // More url filters: urlMatches.
    {shouldPass, filters: [{urlMatches: ".*://mozilla"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlMatches: ".*://mozilla"}], url: "ftp://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlMatches: ".*://.*/\?p"}], url: "ftp://mozilla.org/?p=v#ref"},
    // NOTE: urlMatches should not match the url without the ref.
    {shouldFail, filters: [{urlMatches: "v#ref$"}], url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{urlMatches: "^ftp"}], url: "ftp://mozilla.org/?p=v#ref"},

    // More url filters: originAndPathMatches.
    {shouldPass, filters: [{originAndPathMatches: ".*://mozilla"}],
     url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{originAndPathMatches: ".*://mozilla"}],
     url: "ftp://mozilla.org/?p=v#ref"},
    // NOTE: urlMatches should not match the url without the query and the ref.
    {shouldFail, filters: [{originAndPathMatches: ".*://.*/\?p"}],
     url: "ftp://mozilla.org/?p=v#ref"},
    {shouldFail, filters: [{originAndPathMatches: "v#ref$"}],
     url: "https://mozilla.org/?p=v#ref"},
    {shouldPass, filters: [{originAndPathMatches: "^ftp"}],
     url: "ftp://mozilla.org/?p=v#ref"},

    // Filter with all criteria: all matches, none matches, some matches.

    // All matches.
    {shouldPass, filters: [
      {
        schemes: ["https", "http"],
        ports: [443, 80],
        hostEquals: "www.mozilla.org",
        hostContains: ".moz",
        hostPrefix: "www",
        hostSuffix: "org",
        pathEquals: "/sub/path",
        pathContains: "b/p",
        pathPrefix: "/sub",
        pathSuffix: "/path",
        queryEquals: "p=v",
        queryContains: "1=",
        queryPrefix: "p1",
        querySuffix: "=v",
        urlEquals: "https://www.mozilla.org/sub/path?p1=v#ref",
        urlContains: "org/sub",
        urlPrefix: "https://moz",
        urlSuffix: "#ref",
        urlMatches: "v#ref$",
        originAndPathMatches: ".*://moz.*/"
      },
    ], url: "https://www.mozilla.org/sub/path?p1=v#ref"},
    // None matches.
    {shouldFail, filters: [
      {
        schemes: ["http"],
        ports: [80],
        hostEquals: "mozilla.com",
        hostContains: "www.moz",
        hostPrefix: "www",
        hostSuffix: "com",
        pathEquals: "/wrong/path",
        pathContains: "g/p",
        pathPrefix: "/wrong",
        pathSuffix: "/wrong",
        queryEquals: "p2=v",
        queryContains: "2=",
        queryPrefix: "p2",
        querySuffix: "=value",
        urlEquals: "http://mozilla.com/sub/path?p1=v#ref",
        urlContains: "com/sub",
        urlPrefix: "http://moz",
        urlSuffix: "#ref2",
        urlMatches: "value#ref2$",
        originAndPathMatches: ".*://moz.*com/"
      },
    ], url: "https://mozilla.org/sub/path?p1=v#ref"},
    // Some matches
    {shouldFail, filters: [
      {
        schemes: ["https"],
        ports: [80],
        hostEquals: "mozilla.com",
        hostContains: "www.moz",
        hostPrefix: "www",
        hostSuffix: "com",
        pathEquals: "/wrong/path",
        pathContains: "g/p",
        pathPrefix: "/wrong",
        pathSuffix: "/wrong",
        queryEquals: "p2=v",
        queryContains: "2=",
        queryPrefix: "p2",
        querySuffix: "=value",
        urlEquals: "http://mozilla.com/sub/path?p1=v#ref",
        urlContains: "com/sub",
        urlPrefix: "http://moz",
        urlSuffix: "#ref2",
        urlMatches: "value#ref2$",
        originAndPathMatches: ".*://moz.*com/"
      },
    ], url: "https://mozilla.org/sub/path?p1=v#ref"},

    // Filter with multiple filters: all matches, some matches, none matches.

    // All matches.
    {shouldPass, filters: [
      {schemes: ["https", "http"]},
      {ports: [443, 80]},
      {hostEquals: "www.mozilla.org"},
      {hostContains: ".moz"},
      {hostPrefix: "www"},
      {hostSuffix: "org"},
      {pathEquals: "/sub/path"},
      {pathContains: "b/p"},
      {pathPrefix: "/sub"},
      {pathSuffix: "/path"},
      {queryEquals: "p=v"},
      {queryContains: "1="},
      {queryPrefix: "p1"},
      {querySuffix: "=v"},
      {urlEquals: "https://www.mozilla.org/sub/path?p1=v#ref"},
      {urlContains: "org/sub"},
      {urlPrefix: "https://moz"},
      {urlSuffix: "#ref"},
      {urlMatches: "v#ref$"},
      {originAndPathMatches: ".*://moz.*/"},
    ], url: "https://www.mozilla.org/sub/path?p1=v#ref"},

    // None matches.
    {shouldFail, filters: [
      {schemes: ["http"]},
      {ports: [80]},
      {hostEquals: "mozilla.com"},
      {hostContains: "www.moz"},
      {hostPrefix: "www"},
      {hostSuffix: "com"},
      {pathEquals: "/wrong/path"},
      {pathContains: "g/p"},
      {pathPrefix: "/wrong"},
      {pathSuffix: "/wrong"},
      {queryEquals: "p2=v"},
      {queryContains: "2="},
      {queryPrefix: "p2"},
      {querySuffix: "=value"},
      {urlEquals: "http://mozilla.com/sub/path?p1=v#ref"},
      {urlContains: "com/sub"},
      {urlPrefix: "http://moz"},
      {urlSuffix: "#ref2"},
      {urlMatches: "value#ref2$"},
      {originAndPathMatches: ".*://moz.*com/"},
    ], url: "https://mozilla.org/sub/path?p1=v#ref"},

    // Some matches.
    {shouldPass, filters: [
      {schemes: ["https"]},
      {ports: [80]},
      {hostEquals: "mozilla.com"},
      {hostContains: "www.moz"},
      {hostPrefix: "www"},
      {hostSuffix: "com"},
      {pathEquals: "/wrong/path"},
      {pathContains: "g/p"},
      {pathPrefix: "/wrong"},
      {pathSuffix: "/wrong"},
      {queryEquals: "p2=v"},
      {queryContains: "2="},
      {queryPrefix: "p2"},
      {querySuffix: "=value"},
      {urlEquals: "http://mozilla.com/sub/path?p1=v#ref"},
      {urlContains: "com/sub"},
      {urlPrefix: "http://moz"},
      {urlSuffix: "#ref2"},
      {urlMatches: "value#ref2$"},
      {originAndPathMatches: ".*://moz.*com/"},
    ], url: "https://mozilla.org/sub/path?p1=v#ref"},
  ];

  // Run all the the testCases defined above.
  for (let currentTest of testCases) {
    let {
      exceptionMessageContains,
      url, filters,
    } = currentTest;

    if (currentTest.shouldThrow) {
      expectThrow({url, filters, exceptionMessageContains})
    } else if (currentTest.shouldFail) {
      expectFail({url, filters});
    } else {
      expectPass({url, filters});
    }
  }
});