Files
picard/test/test_metadata.py
Wieland Hoffmann c18ae092ba Fix length_score and add tests
In 2f8496e, 1.0 - ... turned into 0.0. Fix that.
2018-01-18 20:58:32 +01:00

125 lines
5.1 KiB
Python

# -*- coding: utf-8 -*-
import unittest
from picard import config
from picard.metadata import Metadata, MULTI_VALUED_JOINER
settings = {
'write_id3v23': False,
'id3v23_join_with': '/',
}
class MetadataTest(unittest.TestCase):
original = None
tags = []
def setUp(self):
config.setting = settings.copy()
self.metadata = Metadata()
self.metadata["single1"] = "single1-value"
self.metadata.add_unique("single2", "single2-value")
self.metadata.add_unique("single2", "single2-value")
self.multi1 = ["multi1-value", "multi1-value"]
self.metadata.add("multi1", self.multi1[0])
self.metadata.add("multi1", self.multi1[1])
self.multi2 = ["multi2-value1", "multi2-value2"]
self.metadata["multi2"] = self.multi2
self.multi3 = ["multi3-value1", "multi3-value2"]
self.metadata.set("multi3", self.multi3)
self.metadata["~hidden"] = "hidden-value"
def tearDown(self):
pass
def test_metadata_set(self):
self.assertEqual(["single1-value"], dict.get(self.metadata,"single1"))
self.assertEqual(["single2-value"], dict.get(self.metadata,"single2"))
self.assertEqual(self.multi1, dict.get(self.metadata,"multi1"))
self.assertEqual(self.multi2, dict.get(self.metadata,"multi2"))
self.assertEqual(self.multi3, dict.get(self.metadata,"multi3"))
self.assertEqual(["hidden-value"], dict.get(self.metadata,"~hidden"))
def test_metadata_get(self):
self.assertEqual("single1-value", self.metadata["single1"])
self.assertEqual("single1-value", self.metadata.get("single1"))
self.assertEqual(["single1-value"], self.metadata.getall("single1"))
self.assertEqual(MULTI_VALUED_JOINER.join(self.multi1), self.metadata["multi1"])
self.assertEqual(MULTI_VALUED_JOINER.join(self.multi1), self.metadata.get("multi1"))
self.assertEqual(self.multi1, self.metadata.getall("multi1"))
self.assertEqual("", self.metadata["nonexistent"])
self.assertEqual(None, self.metadata.get("nonexistent"))
self.assertEqual([], self.metadata.getall("nonexistent"))
self.assertEqual(dict.items(self.metadata), self.metadata.rawitems())
metadata_items = [(x, z) for (x, y) in dict.items(self.metadata) for z in y]
self.assertEqual(metadata_items, list(self.metadata.items()))
def test_metadata_delete(self):
self.metadata.delete("single1")
self.assertNotIn("single1", self.metadata)
self.assertIn("single1", self.metadata.deleted_tags)
self.metadata["single2"] = ""
self.assertNotIn("single2", self.metadata)
self.assertIn("single2", self.metadata.deleted_tags)
def test_metadata_update(self):
m = Metadata()
m["old"] = "old-value"
self.metadata.delete("single1")
m.update(self.metadata)
self.assertIn("old", m)
self.assertNotIn("single1", m)
self.assertIn("single1", m.deleted_tags)
self.assertEqual("single2-value", m["single2"])
self.assertEqual(self.metadata.deleted_tags, m.deleted_tags)
self.metadata["old"] = "old-value"
for (key, value) in dict.items(self.metadata):
self.assertIn(key, m)
self.assertEqual(value, dict.get(m, key))
for (key, value) in dict.items(m):
self.assertIn(key, self.metadata)
self.assertEqual(value, dict.get(self.metadata, key))
def test_metadata_clear(self):
self.metadata.clear()
self.assertEqual(0, len(self.metadata))
def test_metadata_applyfunc(self):
func = lambda x: x[1:]
self.metadata.apply_func(func)
self.assertEqual("ingle1-value", self.metadata["single1"])
self.assertEqual("ingle1-value", self.metadata.get("single1"))
self.assertEqual(["ingle1-value"], self.metadata.getall("single1"))
self.assertEqual(MULTI_VALUED_JOINER.join(map(func, self.multi1)), self.metadata["multi1"])
self.assertEqual(MULTI_VALUED_JOINER.join(map(func, self.multi1)), self.metadata.get("multi1"))
self.assertEqual(list(map(func, self.multi1)), self.metadata.getall("multi1"))
self.assertEqual("", self.metadata["nonexistent"])
self.assertEqual(None, self.metadata.get("nonexistent"))
self.assertEqual([], self.metadata.getall("nonexistent"))
self.assertEqual(dict.items(self.metadata), self.metadata.rawitems())
metadata_items = [(x, z) for (x, y) in dict.items(self.metadata) for z in y]
self.assertEqual(metadata_items, list(self.metadata.items()))
def test_length_score(self):
results = [(20000, 0, 0.333333333333),
(20000, 10000, 0.666666666667),
(20000, 20000, 1.0),
(20000, 30000, 0.666666666667),
(20000, 40000, 0.333333333333),
(20000, 50000, 0.0)]
for (a, b, expected) in results:
actual = Metadata.length_score(a, b)
self.assertAlmostEqual(expected, actual,
msg="a={a}, b={b}".format(a=a, b=b))