text: import os
  import shutil
  import sys
  import tarfile
  import tempfile
  
  import genomicsdb
  
  import pandas as pd
  
  def run_test():
          genomicsdb.version()
  
          gdb = genomicsdb.connect("ws", "callset_t0_1_2.json", "vid.json", "chr1_10MB.fasta.gz", ["DP"], 40)
          try:
                  gdb.query_variant_calls()
          except Exception as e:
                  print(e)
  
          gdb = genomicsdb.connect("ws", "callset_t0_1_2.json", "vid.json", "chr1_10MB.fasta.gz", ["DP"], 40)
          list = gdb.query_variant_calls("t0_1_2", [(0,1000000000)], [(0,3)])
          print(list)
  
          list = gdb.query_variant_calls("t0_1_2", [(0,13000), (13000, 1000000000)], [(0,3)])
          print(list)
          x,y,calls = zip(*list)
          print(pd.DataFrame(calls[0]))
  
          gdb.query_variant_calls("t0_1_2", [(0,1000000000)])
          gdb.query_variant_calls("t0_1_2")
  
          output = "out.vcf.gz"
          gdb.to_vcf("t0_1_2", [(0,15000)], output=output, output_format="z")
          if not os.path.exists(output):
              print(output+" NOT FOUND")
          if not os.path.exists(output+".tbi"):
              print("Index file to "+output+" NOT FOUND")
  
  tmp_dir = tempfile.TemporaryDirectory().name
  
  if not os.path.exists(tmp_dir):
          os.makedirs(tmp_dir)
  else:
          sys.exit("Aborting as temporary directory seems to exist!")
  
  tar = tarfile.open("test/inputs/sanity.test.tgz")
  tar.extractall(tmp_dir)
  
  os.chdir(tmp_dir)
  
  run_test()
  
  shutil.rmtree(tmp_dir)
  