test.ts

import { FileHandler, LogRegex, Matcher, TimeComparison } from "./index";
function ex2() {
  const file = new FileHandler("a,b,b,b,c,a,d".split(","));
  const lre = new LogRegex();
  lre.matchAllRepeat();
  lre.match("b");
  lre.matchAllRepeat();
  lre.match("a");
  //   lre.describe();
  //   console.log('====');
  const matcher = new Matcher();
  console.assert(matcher.match(file, lre), "ex2");
}

function ex3() {
  const file = new FileHandler("a,b,c,a,f,f,c".split(","));
  const lre = new LogRegex();
  lre.matchAllRepeat();
  lre.match("a");
  lre.unmatchRepeat("b");
  lre.match("c");
  //   lre.describe();
  //   console.log('====');
  const matcher = new Matcher();
  console.assert(matcher.match(file, lre), "ex3");
}

function ex4() {
  const file = new FileHandler("a,b,c".split(","));
  const lre = new LogRegex();
  lre.matchAllRepeat();
  lre.match("a");
  lre.unmatchRepeat("b");
  lre.match("c");
  //   lre.describe();
  //   console.log('====');
  const matcher = new Matcher();
  console.assert(!matcher.match(file, lre), "ex4");
}

function ex5() {
  const file = new FileHandler("a,a,a,b,a,a,b,c".split(","));
  const lre = new LogRegex();
  lre.matchAllRepeat();
  lre.match("a");
  lre.unmatchRepeat("b");
  lre.match("c");
  //   lre.describe();
  //   console.log('====');
  const matcher = new Matcher();
  console.assert(!matcher.match(file, lre), "ex5");
}

function ex6() {
  const file = new FileHandler("a,c".split(","));
  const lre = new LogRegex();
  lre.matchAllRepeat();
  lre.match("a");
  lre.unmatchRepeat("b");
  lre.match("c");
  //   lre.describe();
  //   console.log('====');
  const matcher = new Matcher();
  console.assert(matcher.match(file, lre), "ex6");
}

function ex7() {
  const file = new FileHandler("a,a,a,b,c".split(","));
  const lre = new LogRegex();
  lre.matchAllRepeat();
  lre.match("a");
  lre.unmatchRepeat("b");
  lre.match("c");
  //   lre.describe();
  //   console.log('====');
  const matcher = new Matcher();
  console.assert(!matcher.match(file, lre), "ex5");
}

function ex1() {
  const lre = new LogRegex();
  lre.matchAllRepeat();
  const match = lre.match(
    "Calling onWindowResize for window (.*) to origin .* on screen .* with size (.*)"
  );
  lre.unmatchRepeat(
    "Calling onWindowResize for window {} to",
    match.timeComparison("<20s"),
    [match.at(1)]
  );
  lre.match(
    "Calling onWindowResize for window {} to origin .* on screen .* with size {}",
    match.timeComparison("<20s"),
    [match.at(1), match.at(2)]
  );
  lre.matchAllRepeat();
  lre.match("Gray screen for {}", match.timeComparison("<20s"), [match.at(1)]);
  const matcher = new Matcher();
  matcher.execute(["/path/to/file.log"], [lre]);
}

function ex8() {
  const contents = `
  T00 dog is big and black
  T40 color is black
  T60 dog is big and black
  `;
  const s1 = "dog is big and black";
  const s2 = "size is big";
  const s3 = "color is black";

  const true_tests = [];
  const false_tests = [];
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s1);
  });
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s3);
  });
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s1);
    lre.matchAllRepeat();
    lre.match(s3);
  });
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s1);
    lre.unmatchRepeat(s2);
    lre.match(s3);
  });
  true_tests.push((lre: LogRegex) => {
    lre.unmatchRepeat(s1);
    lre.unmatchRepeat(s2);
    lre.unmatchRepeat(s3);
    lre.match(s1);
    lre.unmatchRepeat(s2);
    lre.match(s3);
  });
  true_tests.push((lre: LogRegex) => {
    lre.unmatchRepeat(s1);
    lre.match(s1);
    lre.unmatchRepeat(s2);
    lre.match(s3);
  });
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s3);
    lre.matchAllRepeat();
    lre.match(s1);
  });

  false_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s2);
  });
  false_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s3);
    lre.matchAllRepeat();
    lre.match(s3);
  });
  false_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s1);
    lre.matchAllRepeat();
    lre.match(s2);
  });
  false_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match(s1);
    lre.unmatchRepeat(s3);
    lre.match(s1);
  });
  false_tests.push((lre: LogRegex) => {
    lre.unmatchRepeat(s1);
    lre.match(s3);
  });

  const file = new FileHandler(contents.split("\n"));
  const matcher = new Matcher();

  for (const [loc, test] of true_tests.entries()) {
    const lre = new LogRegex();
    test(lre);
    if (!matcher.match(file, lre)) {
      console.log(`Error: failed true test: #${loc}`);
      console.log(test);
    }
  }

  for (const [loc, test] of false_tests.entries()) {
    const lre = new LogRegex();
    test(lre);
    if (matcher.match(file, lre)) {
      console.log(`Error: failed false test: #${loc}`);
      console.log(test);
    }
  }
}

function ex9() {
  const contents = `
  2021-11-22T19:18:47.940Z dog is big and black
  2021-11-22T19:18:47.940Z color is black
  2021-11-22T19:18:47.940Z cat is small and white
  2021-11-22T19:18:47.940Z color is orange
  2021-11-22T19:18:47.940Z color is white
  2021-11-22T19:18:47.940Z color is purple
  2021-11-22T19:18:47.940Z color is white
  2021-11-22T19:18:47.940Z size is small
  2021-11-22T19:55:47.940Z Many minutes later
  `;
  const s1 = "dog is (.*) and (.*)";
  const s2 = "size is {}";
  const s3 = "color is {}";

  const true_tests = [];
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    const match = lre.match("dog is (.*) and (.*)");
    lre.matchAllRepeat();
    lre.match("color is {}", match.timeComparison("<20s"), [match.at(1)]);
  });
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    const match = lre.match("cat is (.*) and (.*)");
    lre.matchAllRepeat();
    lre.match("color is {}", match.timeComparison("<80s"), [match.at(1)]);
  });
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    lre.match("dog is (.*) and (.*)");
    lre.matchAllRepeat();
    const match2 = lre.match("cat is (.*) and (.*)");
    lre.matchAllRepeat();
    lre.match("color is {}", match2.timeComparison("<20s"), [match2.at(1)]);
    lre.matchAllRepeat();
    lre.match("size is {}", match2.timeComparison("<20s"), [match2.at(0)]);
  });
  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    const match = lre.match("color is (.*)");
    lre.matchAllRepeat();
    lre.match("color is {}", match.timeComparison("<20s"), [match.at(0)]);
  });

  true_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    const match = lre.match("dog is (.*) and (.*)");
    // Shows that unmatch is not greedy. We decide to *not* skip the second line.
    lre.unmatchRepeat("color is .*");
    lre.unmatchRepeat("cat is .*");
    lre.matchAllRepeat();
    lre.match("color is {}", match.timeComparison("<20s"), [match.at(1)]);
  });

  const false_tests = [];
  false_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    const match = lre.match("dog is (.*) and (.*)");
    lre.matchAllRepeat();
    lre.match("color is {}", match.timeComparison("<20s"), [match.at(2)]); // at (2) is wrong
  });
  false_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    const match = lre.match("dog is (.*) and (.*)");
    // Skip next two lines, so that "cat is black" no longer exists in the search
    lre.unmatchRepeat("color is");
    lre.match("cat is");
    lre.matchAllRepeat();
    lre.match("color is {}", match.timeComparison("<20s"), [match.at(1)]);
  });
  false_tests.push((lre: LogRegex) => {
    lre.matchAllRepeat();
    const match = lre.match("dog is");
    lre.matchAllRepeat();
    lre.match("Many minutes later", match.timeComparison("<20s"));
  });

  const file = new FileHandler(contents.split("\n"));
  const matcher = new Matcher();

  for (const [loc, test] of true_tests.entries()) {
    const lre = new LogRegex();
    test(lre);
    if (!matcher.match(file, lre)) {
      console.log(`Error: failed true test: #${loc}`);
      console.log(test);
    }
  }

  for (const [loc, test] of false_tests.entries()) {
    const lre = new LogRegex();
    test(lre);
    if (matcher.match(file, lre)) {
      console.log(`Error: failed false test: #${loc}`);
      console.log(test);
    }
  }

  {
    const lre = new LogRegex();
    const match = lre.match("dog is (.*) and (.*)");
    let hitException = false;
    try {
      match.at(3);
    } catch (e) {
      hitException = true;
    }
    console.assert(hitException, "Should have thrown exception");
  }
}

function ex10() {
  const contents = `
  2021-11-22T19:18:47.940Z [94377:c++] ::(anonymous class)::operator()() const - [gs] Making window 0x48004b5 gray. Expecting frame with 1920x1058@1
2021-11-22T19:18:47.941Z [94377:c++]  const - Calling onWindowResize for window 0x48004b5 to origin (0, 23) on screen 722474267 with size 1920x1057@1
2021-11-22T19:18:47.942Z [94377:js]  - call_window_resize for 0x48004b5 with 1920x1057@1
2021-11-22T19:18:51.591Z [94377:c++] info: window_delegate.mm:173:auto WindowDelegate::windowDidMove:::(anonymous class)::operator()() const - Calling onWindowMove for 0x48004b5 (33, 28, 722474524)
2021-11-22T19:18:51.641Z [94377:c++]  const - Calling onWindowResize for window 0x48004b5 to origin (0, 23) on screen 722474524 with size 1920x1057@1
2021-11-22T19:18:51.642Z [94377:js] info: index.js:1:Client.call_window_resize - call_window_resize for 0x48004b5 with 1920x1057@1
2021-11-22T19:18:56.854Z [94377:c++] error: decode_render.mm:1013:fast::DecodeRender::Context::didDecompress - window 75498677: Error decompressing frame at time: 0 error: -12909 infoFlags: 0
2021-11-22T19:18:56.867Z [94377:c++] info: metal_renderer.cpp:301:log_gray_screen@renderer - Window 0x48004b5 info:
Expecting frame with props:1920x1058x1
2021-11-22T19:18:56.869Z [94377:c++] warning: metal_renderer.cpp:320:log_gray_screen@renderer - [Sentry] User is seeing a gray screen! network_poor_condition: false, encoder_resetting: false
2021-11-22T19:18:56.869Z [94377:c++] error: decode_render.mm:1013:fast::DecodeRender::Context::didDecompress - window 75498677: Error decompressing frame at time: 0 error: -12909 infoFlags: 0
`;
  const lre = new LogRegex();
  lre.matchAllRepeat();
  const match = lre.match("Calling onWindowResize for window ([^ ]*)");
  lre.matchAllRepeat();
  lre.match(
    "Calling onWindowResize for window {}",
    match.timeComparison("<20s"),
    [match.at(0)]
  );
  lre.matchAllRepeat();
  lre.match("Window {} info:", match.timeComparison("<20s"), [match.at(0)]);
  lre.match("Expecting frame with");
  lre.match("User is seeing a gray screen!");
  const file = new FileHandler(contents.split("\n"));
  const matcher = new Matcher();
  if (!matcher.match(file, lre)) {
    console.log("Error: failed ex10");
  }
}

function generateExample() {
  const letters = ["a", "b", "c"];
  const isMatches = [true, false];
  const matchLen = Math.ceil(Math.random() * 10);
  const lre = new LogRegex();
  let wasIsMatch = true;
  let regexString = "^";
  let codeString = "";
  for (let i = 0; i < matchLen; i++) {
    const letter = letters[Math.floor(Math.random() * letters.length)];
    const isMatch = isMatches[Math.floor(Math.random() * isMatches.length)];
    if (isMatch) {
      if (wasIsMatch) {
        codeString += "lre.matchAllRepeat();\n";
        lre.matchAllRepeat();
      }
      lre.match(letter);
      codeString += `lre.match('${letter}');\n`;
      if (wasIsMatch) {
        regexString += `.*${letter}`;
      } else {
        regexString += `${letter}`;
      }
      wasIsMatch = true;
    } else {
      lre.unmatchRepeat(letter);
      codeString += `lre.unmatch_repeat('${letter}');\n`;
      regexString += `[^${letter}]*`;
      wasIsMatch = false;
    }
  }
  const fileLen = Math.ceil(Math.random() * 100);
  const lines = [];
  for (let i = 0; i < fileLen; i++) {
    lines.push(letters[Math.floor(Math.random() * letters.length)]);
  }
  const matcher = new Matcher();
  const expected_match = new RegExp(regexString).test(lines.join(""));
  const does_match = matcher.match(new FileHandler(lines), lre);
  if (expected_match !== does_match) {
    console.log(`\n\n\nFail for ${regexString}`);
    console.log(`${codeString}`);
    console.log(`Fail input ${lines.join(",")}`);
    console.log(`Expected: ${expected_match}`);
    console.log(`Does: ${does_match}`);
  }
}

function timeBoundsEx1() {
  const comp = new TimeComparison(5, "<20s");
  console.assert(
    comp.isTimeInBounds({ timeMap: { 5: 100 * 1000 } } as any, 110 * 1000)
  );
  console.assert(
    !comp.isTimeInBounds({ timeMap: { 5: 100 * 1000 } } as any, 130 * 1000)
  );
}

function runManyExamples() {
  for (let i = 0; i < 10000; i++) {
    generateExample();
  }
}

ex2();
ex3();
ex4();
ex5();
ex6();
ex7();
ex8();
ex9();
ex10();
timeBoundsEx1();
runManyExamples();

console.log("Done tests");