nak/tests/search_test.js

ack and ag inspired tool written in Node. Designed to be fast.

"mocha";

var Assert = require("assert");
var Exec = require("child_process").exec;
var Fs = require('fs');

var basePath = __dirname + "/search_fixtures";
var nak = require('../lib/nak');

var nakPath = "node bin/nak";
//var nakPath = "node build/nak.min";

var parseOutput = require("./test_helpers").parseOutput;

describe("search", function() {
    it("should find matches without regexp, case-sensitive OFF and word boundaries OFF",  function(next) {
       Exec(nakPath + " -a .nakignore -i -q 'sriracha' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 8);
        Assert.equal(output.filecount, 4);
        Assert.equal(output.lines.length, 16);

        next();
       });
    });

    it("should find matches without regexp, follow ON, case-sensitive OFF and word boundaries OFF",  function(next) {
       Exec(nakPath + " -f -a .nakignore -i -q 'sriracha' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 9);
        Assert.equal(output.filecount, 5);
        Assert.equal(output.lines.length, 19);

        next();
       });
    });

    it("should find matches without regexp, case-sensitive ON and word boundaries OFF",  function(next) {
       Exec(nakPath + " -a .nakignore -q 'Messenger' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 2);
        Assert.equal(output.filecount, 2);
        Assert.equal(output.lines.length, 8);

        next();
       });
    });

    it("should find matches without regexp, case-sensitive OFF and word boundaries ON",  function(next) {
       Exec(nakPath + " -a .nakignore -q -w 'gastro' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 3);
        Assert.equal(output.filecount, 3);
        Assert.equal(output.lines.length, 11);

        next();
       });
    });

    it("should find matches with a regexp, case-sensitive OFF",  function(next) {
       Exec(nakPath + " -a .nakignore -i 'pb.' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 8);
        Assert.equal(output.filecount, 4);
        Assert.equal(output.lines.length, 18);

        next();
       });
    });

    it("should find matches with a regexp, case-sensitive ON, including the default .nakignore file, and hidden files",  function(next) {
       Exec(nakPath + " -a .nakignore -H '.+wave' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 17);
        Assert.equal(output.filecount, 10);
        Assert.equal(output.lines.length, 39);

        next();
       });
    });

    it("should find matches without regexp, excluding txt files and including hidden ones",  function(next) {
       Exec(nakPath + " -a .nakignore --ignore 'file*.txt' 'williamsburg' -H " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 15);
        Assert.equal(output.filecount, 5);
        Assert.equal(output.lines.length, 23);

        next();
       });
    });

    it("should report multiple matches in same line using ackmate",  function(next) {
       Exec(nakPath + " -a .nakignore --ackmate 'wolf' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal("8;26 4,42 4", output.lines[4].split(":")[0]);

        next();
       });
    });

    // see: http://me.dt.in.th/page/StringDecoder
    it("should find incomplete thai characters",  function(next) {
       Exec(nakPath + " -a .nakignore 'ร' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 1);
        Assert.equal(output.filecount, 1);
        Assert.equal(output.lines.length, 5);

        next();
       });
    });

    it("should find matches without regexp, in a starting hidden dir",  function(next) {
       Exec(nakPath + " -f -a .nakignore -i -q 'sriracha' " + basePath + "/.root", function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 4);
        Assert.equal(output.filecount, 2);
        Assert.equal(output.lines.length, 8);

        next();
       });
    });

    it("should not find matches in secondary directories, while ignoring VCS",  function(next) {
       Exec(nakPath + " -f -a .nakignore --addVCSIgnores -i -q 'farn' " + basePath, function(err, stdout, stderr) {
        var output = parseOutput(err, stdout, stderr);

        Assert.equal(output.count, 0);
        Assert.equal(output.filecount, 0);

        next();
       });
    });

    describe("path inclusion", function(next) {
      it("should find matches without case-sensitive regexp, only two file types, and no hidden files (even if they contain the string)",  function(next) {
         Exec(nakPath + " -a .nakignore -G '*.txt, file*.gif' -i 'shorts' " + basePath, function(err, stdout, stderr) {
          var output = parseOutput(err, stdout, stderr);

          Assert.equal(output.count, 2);
          Assert.equal(output.filecount, 2);
          Assert.equal(output.lines.length, 8);

          next();
         });
      });

      it("does not search any directories other than the included directory",  function(next) {
         Exec(nakPath + " -a .nakignore -G 'newdir/' odd " + basePath, function(err, stdout, stderr) {
          var output = parseOutput(err, stdout, stderr);

          Assert.equal(output.count, 0);
          Assert.equal(output.filecount, 0);

          next();
         });
      });

      it("only finds results in directories other than the included directory",  function(next) {
         Exec(nakPath + " -a .nakignore -G 'dir, newdir' needle " + basePath, function(err, stdout, stderr) {
          var output = parseOutput(err, stdout, stderr);

          Assert.equal(output.count, 1);
          Assert.equal(output.filecount, 1);

          next();
         });
      });

      it("finds results only in matching file nested within a directory that does not match the pattern",  function(next) {
         Exec(nakPath + " -G '*.rb' odd " + basePath, function(err, stdout, stderr) {
          var output = parseOutput(err, stdout, stderr);

          Assert.equal(output.count, 4);
          Assert.equal(output.filecount, 1);

          next();
         });
      });
    });

    // KEEP THESE AT THE END; THEY CHANGE ENV VARS FOR THE RUNNER
    describe("onFilePathSearchFn", function(next) {
      it("should understand what to do with onFilepathSearchFn (as a string)", function(next) {
         var fn = 'if (/file1\.txt/.test(filepath)) return "photo";\nreturn null;';

         Exec(nakPath + " -a .nakignore 'photo' --onFilepathSearchFn '" + fn + "' " + basePath, function(err, stdout, stderr) {
          var output = parseOutput(err, stdout, stderr);

          Assert.equal(output.count, 5);
          Assert.equal(output.filecount, 3);

          next();
         });
      });

      it("should understand what to do with onFilepathSearchFn (as a process.env var)", function(next) {
         var fn = function(filepath) {
          if (/file1\.txt/.test(filepath)) return "photo";
          return null;
         };

         process.env.nak_onFilepathSearchFn = nak.serialize(fn);

         Exec(nakPath + " -a .nakignore 'photo' " + basePath, function(err, stdout, stderr) {
          var output = parseOutput(err, stdout, stderr);

          Assert.equal(output.count, 5);
          Assert.equal(output.filecount, 3);
          next();
         });
      });

      it("should understand what to do with onFilepathSearchFn (es6 arrow function)", function(next) {
         var fn = (filepath) => {
          if (/file1\.txt/.test(filepath)) return "photo";
          return null;
         };

         process.env.nak_onFilepathSearchFn = nak.serialize(fn);

         Exec(nakPath + " -a .nakignore 'photo' " + basePath, function(err, stdout, stderr) {
          var output = parseOutput(err, stdout, stderr);

          Assert.equal(output.count, 5);
          Assert.equal(output.filecount, 3);
          next();
         });
      });
    });
});