File: merge.t

package info (click to toggle)
libcpan-meta-perl 2.150010-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 960 kB
  • ctags: 154
  • sloc: perl: 3,013; makefile: 2
file content (228 lines) | stat: -rw-r--r-- 5,874 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
use strict;
use warnings;

use Test::More;
use CPAN::Meta;
use CPAN::Meta::Merge;

delete $ENV{PERL_YAML_BACKEND};
delete $ENV{PERL_JSON_BACKEND};
delete $ENV{CPAN_META_JSON_BACKEND};
delete $ENV{CPAN_META_JSON_DECODER};

my %base = (
	abstract => 'This is a test',
	author => ['A.U. Thor'],
	generated_by => 'Myself',
	license => [ 'perl_5' ],
	resources => {
		license => [ 'http://dev.perl.org/licenses/' ],
                bugtracker => { web => 'https://rt.cpan.org/Dist/Display.html?Foo-Bar' },
	},
	prereqs => {
		runtime => {
			requires => {
				Foo => '0',
			},
		},
	},
	dynamic_config => 0,
	provides => {
		Baz => {
			file => 'lib/Baz.pm',
		},
	},
	'meta-spec' => {
		url => "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
		version => 2,
	},
);

my %first = (
	author => [ 'I.M. Poster' ],
	generated_by => 'Some other guy',
	license => [ 'bsd' ],
	resources => {
		license => [ 'http://opensource.org/licenses/bsd-license.php' ],
	},
	prereqs => {
		runtime => {
			requires => {
				Foo => '< 1',
			},
			recommends => {
				Bar => '3.14',
			},
		},
		test => {
			requires => {
				'Test::Bar' => 0,
			},
		},
	},
	dynamic_config => 1,
	provides => {
		Quz => {
			file => 'lib/Quz.pm',
		},
	},
);
my %first_expected = (
	abstract => 'This is a test',
	author => [ 'A.U. Thor', 'I.M. Poster' ],
	generated_by => 'Myself, Some other guy',
	license => [ 'perl_5', 'bsd' ],
	resources => {
		license => [ 'http://dev.perl.org/licenses/', 'http://opensource.org/licenses/bsd-license.php' ],
                bugtracker => { web => 'https://rt.cpan.org/Dist/Display.html?Foo-Bar' },
	},
	prereqs => {
		runtime => {
			requires => {
				Foo => '>= 0, < 1',
			},
			recommends => {
				Bar => '3.14',
			},
		},
		test => {
			requires => {
				'Test::Bar' => 0,
			},
		},
	},
	provides => {
		Baz => {
			file => 'lib/Baz.pm',
		},
		Quz => {
			file => 'lib/Quz.pm',
		},
	},
	dynamic_config => 1,
	'meta-spec' => {
		url => "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
		version => 2,
	},
);
my %provides_merge_expected = (
	abstract => 'This is a test',
	author => ['A.U. Thor'],
	generated_by => 'Myself',
	license => [ 'perl_5' ],
	resources => {
		license => [ 'http://dev.perl.org/licenses/' ],
		bugtracker => { web => 'https://rt.cpan.org/Dist/Display.html?Foo-Bar' },
	},
	prereqs => {
		runtime => {
			requires => {
				Foo => '0',
			},
		},
	},
	dynamic_config => 0,
	provides => {
		Baz => {
			file => 'lib/Baz.pm',
			version => '0.001',         # same as %base, but for this extra key
		},
	},
	'meta-spec' => {
		url => "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
		version => 2,
	},
);

my $merger = CPAN::Meta::Merge->new(default_version => '2');

my $first_result = $merger->merge(\%base, \%first);

is_deeply($first_result, \%first_expected, 'First result is as expected');

is_deeply($merger->merge(\%base, { abstract => 'This is a test' }), \%base, 'Can merge in identical abstract');
is(
    eval { $merger->merge(\%base, { abstract => 'And now for something else' }) },
    undef,
    'Trying to merge different abstract gives an exception',
);
like $@, qr/^Can't merge attribute abstract/, 'Exception looks right';

is(
    eval { $merger->merge(\%base, { resources => { bugtracker => { web => 'http://foo.com' } } } ) },
    undef,
    'Trying to merge a different bugtracker URL gives an exception',
);
like $@, qr/^Duplication of element resources\.bugtracker\.web /, 'Exception looks right';

is(
    eval { $merger->merge(\%base, { provides => { Baz => { file => 'Baz.pm' } } }) },
    undef,
    'Trying to merge different provides.$module.file gives an exception',
);
like $@, qr/^Duplication of element provides\.Baz\.file /, 'Exception looks right';

my $provides_result = $merger->merge(\%base, { provides => { Baz => { file => 'lib/Baz.pm', version => '0.001' } } });
is_deeply(
	$provides_result,
	\%provides_merge_expected,
	'Trying to merge a new key for provides.$module is permitted; identical values are preserved',
);

my $extra_merger = CPAN::Meta::Merge->new(
	default_version => '2',
	extra_mappings => {
		'x_toolkit' => 'set_addition',
		'x_meta_meta' => {
			name => 'identical',
			tags => 'set_addition',
		}
	}
);

my $extra_results = $extra_merger->merge(\%base, {
		x_toolkit => [ 'marble' ],
		x_meta_meta => {
			name => 'Test',
			tags => [ 'Testing' ],
		}
	},
	{ x_toolkit => [ 'trike'],
		x_meta_meta => {
			name => 'Test',
			tags => [ 'TDD' ],
		}
	}
);

my $expected_nested_extra = {
	name => 'Test',
	tags => [ 'Testing', 'TDD' ],
};
is_deeply($extra_results->{x_toolkit}, [ 'marble', 'trike' ], 'Extra mapping fields are merged');
is_deeply($extra_results->{x_meta_meta}, $expected_nested_extra, 'Nested extra mapping fields are merged' );

my $adds_to = sub {
  my ($left, $right, $path) = @_;
  if ($right !~ /^\Q$left\E/) {
    die sprintf "Can't merge attribute %s: '%s' does not start with '%s'", join('.', @{$path}), $right, $left;
  }
  return $right;
};

$extra_merger = CPAN::Meta::Merge->new(default_version => '2', extra_mappings => { 'abstract' => \&$adds_to } );
my $extra_results2 = $extra_merger->merge({ abstract => 'This is a test.'}, { abstract => 'This is a test.  Includes more detail..' } );
is($extra_results2->{abstract}, 'This is a test.  Includes more detail..', 'Extra mapping fields overwrite existing mappings');
my $extra_failure = eval { $extra_merger->merge({ abstract => 'This is a test.'}, { abstract => 'This is a better test.' } ) };
is($extra_failure, undef, 'Extra mapping produces a failure');
like $@, qr/does not start with/, 'Exception looks right';



# issue 67
@base{qw/name version release_status/} = qw/Foo-Bar 0.01 testing/;
my $base_obj = CPAN::Meta->create(\%base);
ok my $first_result_obj = $merger->merge($base_obj, \%first), 'merging CPAN::Meta objects succeeds';

done_testing();
# vim: ts=4 sts=4 sw=4 tw=78 noet :