# -*- encoding: utf-8 -*-
# To test use 
# rake TEST=test/test_search.rb
require 'test/unit'
#require 'girl_friday'
require 'code_zauker'

# See ri Test::Unit::Assertions
# for assertion documentation
class FileScannerBasicSearch < Test::Unit::TestCase
  def test_benchmark
    require "benchmark"
    fs=CodeZauker::FileScanner.new()
    time = Benchmark.bm(7) do |x|
      x.report ("kurukku.txt") { fs.load("./test/fixture/kurukku.txt") } 
      #x.report ("BigFile") { fs.load("./test/fixture/TEST_LICENSE.txt")}
      x.report("Search common words"){ fs.search("and"); fs.search("terms")  }
    end
    puts "Bench Result..."
    puts time
  end


  def test_scanner_trigram_simple    
    fs=CodeZauker::FileScanner.new()
    fs.load("./readme.org",noReload=true)
    fs.load("./test/fixture/kurukku.txt")
    files=fs.search("kku")
    assert (files[0].include?("fixture/kurukku.txt")==true)
  end

  def test_scanner_long_word
    fs=CodeZauker::FileScanner.new()
    fs.load("./test/fixture/kurukku.txt")
    files=fs.search("\"Be hungry, be foolish\"")
    assert(files[0].include?("test/fixture/kurukku.txt")==true)
  end

  def test_foolish
    fs=CodeZauker::FileScanner.new()
    fs.load("./test/fixture/kurukku.txt")
    fs.load("./test/fixture/foolish.txt")
    # foolish is a good example because it is not multiple of 3
    files=fs.search("foolish")
    #puts "GGG #{files}"
    assert(files.include?("./test/fixture/foolish.txt") == true)
    assert(files.include?("./test/fixture/kurukku.txt") ==true)   
  end

  def test_less_then3_must_give_error
    fs=CodeZauker::FileScanner.new()
    fs.load("./test/fixture/kurukku.txt")    
    assert_raise RuntimeError do
      files=fs.search("di")
    end
    #assert_equal 0, files.length
  end

  def test_small4
    fs=CodeZauker::FileScanner.new()
    fs.load("./test/fixture/kurukku.txt")    
    # anche
    files=fs.search('anch')
    assert(files.include?("./test/fixture/kurukku.txt") ==true )
  end

  def test_very_big_file
    fs=CodeZauker::FileScanner.new()
    fs.load("./test/fixture/TEST_LICENSE.txt",noReload=true)
    files=fs.search("Notwithstanding")
    assert files.include?("./test/fixture/TEST_LICENSE.txt")==true
  end

  def test_remove
    fs=CodeZauker::FileScanner.new()
    fs.load("./test/fixture/kurukku.txt", noReload=true)  
    fs.remove(["./test/fixture/kurukku.txt"])
    files=fs.search("\"Be hungry, be foolish\"")    
    assert files.length ==0, 
    "Expected zero search results after removal from index. Found instead:#{files}"
    #assert(files[0].include?("test/fixture/kurukku.txt")==true)
  end

  def test_removeAll
    require 'redis/connection/hiredis'
    require 'redis'
    redis=Redis.new
    fs=CodeZauker::FileScanner.new(redis)
    fs.load("./test/fixture/kurukku.txt", noReload=true) 
    fs.removeAll()
    foundKeys=redis.keys "*"
    #puts "Keys at empty db:#{foundKeys}"
    assert foundKeys.length==1, "Expected only one key at empty db. Found instead #{foundKeys}"
    assert foundKeys[0]=="fscan:nextId", "Expected only the fscan:nextId key at empty db. Found instead #{foundKeys}"
  end


end