import os

import sys

import pytest

from click.testing import CliRunner

from uniswap.cli import main

def print_result(result):

print(result)

print(result.stdout.strip())

print(result.stderr.strip(), file=sys.stderr)

def test_get_price():

runner = CliRunner(mix_stderr=False)

result = runner.invoke(main, ["price", "eth", "dai"])

print_result(result)

assert result.exit_code == 0

# Will break when ETH breaks 10k

assert 1000 < float(result.stdout) < 10_000

def test_get_price_stables():

"""Tests that decimals are handled correctly."""

if os.getenv("UNISWAP_VERSION") == "1":

pytest.skip("Not supported in v1")

runner = CliRunner(mix_stderr=False)

result = runner.invoke(main, ["price", "dai", "usdc"])

print_result(result)

assert result.exit_code == 0

# Will break if peg is lost

assert 0.9 < float(result.stdout) < 1.1

def test_get_token():

runner = CliRunner(mix_stderr=False)

result = runner.invoke(main, ["token", "weth"])

print_result(result)

assert result.exit_code == 0

def test_get_tokendb():

runner = CliRunner(mix_stderr=False)

result = runner.invoke(main, ["tokendb", "--metadata"])

print_result(result)

assert result.exit_code == 0