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tests [export]: Properly isolate test cases and remove duplicate code.

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This commit is contained in:
Dylan Araps 2017-08-15 21:39:16 +10:00
parent 36e1c9d402
commit d07260470e
1 changed files with 31 additions and 16 deletions
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47
tests/test_export.py
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@ -2,54 +2,69 @@
import unittest
import unittest.mock
import io
import shutil
import os
from pywal import export
from pywal import util
# Import colors.
COLORS = util.read_file_json("tests/test_files/test_file.json")
COLORS["colors"].update(COLORS["special"])
util.create_dir("/tmp/wal")
TMP_DIR = "/tmp/wal"
class TestExportColors(unittest.TestCase):
"""Test the export functions."""
def test_all_templates(self):
"""> Test substitutions in template file."""
export.every(COLORS, "/tmp/wal")
def setUp(self):
"""> Setup export tests."""
util.create_dir(TMP_DIR)
result = os.path.isfile("/tmp/wal/colors.sh")
def tearDown(self):
"""> Clean up export tests."""
shutil.rmtree(TMP_DIR, ignore_errors=True)
def is_file(self, tmp_file):
"""> Test is something is a file."""
result = os.path.isfile(tmp_file)
self.assertTrue(result)
with open("/tmp/wal/colors.sh") as file:
content = file.read().splitlines()
def is_file_contents(self, tmp_file, pattern):
"""> Check for pattern in file."""
content = util.read_file(tmp_file)
self.assertEqual(content[7], pattern)
self.assertEqual(content[6], "foreground='#F5F1F4'")
def test_all_templates(self):
"""> Test substitutions in template file."""
tmp_file = os.path.join(TMP_DIR, "colors.sh")
export.every(COLORS, TMP_DIR)
self.is_file(tmp_file)
self.is_file_contents(tmp_file, "foreground='#F5F1F4'")
def test_css_template(self):
"""> Test substitutions in template file (css)."""
export.color(COLORS, "css", "/tmp/wal/test.css")
tmp_file = os.path.join(TMP_DIR, "test.css")
export.color(COLORS, "css", tmp_file)
result = os.path.isfile("/tmp/wal/test.css")
self.assertTrue(result)
self.is_file(tmp_file)
self.is_file_contents(tmp_file, " --background: #1F211E;")
with open("/tmp/wal/test.css") as file:
content = file.read().splitlines()
self.assertEqual(content[6], " --background: #1F211E;")
class TestInvalidExport(unittest.TestCase):
"""Test export function error handling."""
def test_invalid_template(self):
"""> Test template validation."""
error_msg = "warning: template 'dummy' doesn't exist."
tmp_file = os.path.join(TMP_DIR, "test.css")
# Since this function prints a message on fail we redirect
# it's output so that we can read it.
with unittest.mock.patch('sys.stdout', new=io.StringIO()) as fake_out:
export.color(COLORS, "dummy", "/tmp/wal/test.css")
export.color(COLORS, "dummy", tmp_file)
self.assertEqual(fake_out.getvalue().strip(), error_msg)