from jw.pkg.lib.Package import Package, meta_tags

# -- parse_spec_str --

p = Package.parse_spec_str(
    'jw-core|jw|Jan|https://example.com/jw-core|Jan <jan@example.com>'
)
assert p.name == 'jw-core'
assert p.vendor == 'jw'
assert p.packager == 'Jan'
assert p.url == 'https://example.com/jw-core'
assert p.maintainer == 'Jan <jan@example.com>'

# An empty field is preserved as an empty string
p = Package.parse_spec_str('name||||')
assert p.name == 'name'
assert p.vendor == ''
assert p.packager == ''
assert p.url == ''
assert p.maintainer == ''

# A custom delimiter works
p = Package.parse_spec_str('a,b,c,d,e', delimiter = ',')
assert p.name == 'a'
assert p.maintainer == 'e'

# Wrong field counts raise
for spec in ('a', 'a|b', 'a|b|c|d', 'a|b|c|d|e|f'):
    try:
        Package.parse_spec_str(spec)
        assert False, f'Should have raised for "{spec}"'
    except ValueError:
        pass

# -- parse_specs_str --

specs = (
    'jw-core|jw|Jan|https://example.com/jw-core|Jan\n'
    'jw-base|jw|Jan|https://example.com/jw-base|Jan'
)
packages = Package.parse_specs_str(specs)
assert [p.name for p in packages] == ['jw-core', 'jw-base']
# A trailing newline does not create a phantom package
assert len(packages) == 2
# A trailing newline is not needed
packages = Package.parse_specs_str(specs + '\n')
assert [p.name for p in packages] == ['jw-core', 'jw-base']

# An empty string parses to no packages
assert Package.parse_specs_str('') == []

# -- order_tags --

mapping = {
    'maintainer': 'Jan',
    'name': 'jw-core',
    'url': 'https://example.com/jw-core',
}
ordered = Package.order_tags(mapping)
assert list(ordered) == meta_tags
assert ordered == {
    'name': 'jw-core',
    'vendor': '',
    'packager': '',
    'url': 'https://example.com/jw-core',
    'maintainer': 'Jan',
}

# -- __repr__ --

p = Package.parse_spec_str('jw-core|jw|Jan|url|Jan')
assert repr(p) == (
    'name           : jw-core\n'
    'vendor         : jw\n'
    'packager       : Jan\n'
    'url            : url\n'
    'maintainer     : Jan'
)

print('All Package tests passed')