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1 | #!/usr/bin/perl |
2 | |
3 | use warnings; |
4 | use strict; |
5 | use Test::More qw/no_plan/; |
6 | use Test::Exception; |
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7 | use FindBin qw/$Bin/; |
8 | |
9 | use SQL::Translator; |
10 | |
11 | ### Set $ENV{SQLTTEST_RT_DEBUG} = 1 for more output |
12 | |
13 | # What tests to run - parser/producer name, and optional args |
14 | my $plan = [ |
15 | { |
16 | engine => 'SQLite', |
17 | producer_args => {}, |
18 | parser_args => {}, |
19 | }, |
20 | { |
21 | engine => 'MySQL', |
22 | producer_args => {}, |
23 | parser_args => {}, |
24 | }, |
25 | { |
26 | engine => 'MySQL', |
27 | name => 'MySQL 5.0', |
28 | producer_args => { mysql_version => 5 }, |
29 | parser_args => { mysql_parser_version => 5 }, |
30 | }, |
31 | { |
32 | engine => 'MySQL', |
33 | name => 'MySQL 5.1', |
34 | producer_args => { mysql_version => '5.1' }, |
35 | parser_args => { mysql_parser_version => '5.1' }, |
36 | }, |
37 | { |
38 | engine => 'PostgreSQL', |
39 | producer_args => {}, |
40 | parser_args => {}, |
41 | }, |
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42 | { |
43 | engine => 'Oracle', |
44 | producer_args => {}, |
45 | parser_args => {}, |
46 | }, |
47 | { |
48 | engine => 'SQLServer', |
49 | producer_args => {}, |
50 | parser_args => {}, |
51 | }, |
52 | { |
53 | engine => 'Sybase', |
54 | producer_args => {}, |
55 | parser_args => {}, |
56 | }, |
57 | { |
58 | engine => 'DB2', |
59 | producer_args => {}, |
60 | parser_args => {}, |
61 | }, |
62 | |
63 | # There is no Access producer |
64 | # { |
65 | # engine => 'Access', |
66 | # producer_args => {}, |
67 | # parser_args => {}, |
68 | # }, |
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69 | ]; |
70 | |
71 | |
72 | # This data file has the right mix of table/view/procedure/trigger |
73 | # definitions, and lists enough quirks to trip up most combos |
74 | # I am not sure if augmenting it will break other tests - experiment |
75 | my $base_file = "$Bin/data/xml/schema.xml"; |
76 | |
77 | my $base_t = SQL::Translator->new; |
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78 | $base_t->$_ (1) for qw/add_drop_table no_comments/; |
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79 | |
80 | my $base_schema = $base_t->translate ( |
81 | parser => 'XML', |
82 | file => $base_file, |
83 | ) or die $base_t->error; |
84 | |
85 | |
86 | for my $args (@$plan) { |
87 | |
88 | $args->{name} ||= $args->{engine}; |
89 | |
90 | lives_ok ( |
91 | sub { check_roundtrip ($args, $base_schema) }, |
92 | "Round trip for $args->{name} did not throw an exception", |
93 | ); |
94 | } |
95 | |
96 | |
97 | sub check_roundtrip { |
98 | my ($args, $base_schema) = @_; |
99 | my $base_t = $base_schema->translator; |
100 | |
101 | # create some sql from the submitted schema |
102 | my $base_sql = $base_t->translate ( |
103 | data => $base_schema, |
104 | producer => $args->{engine}, |
105 | producer_args => $args->{producer_args}, |
106 | ); |
107 | |
108 | like ( |
109 | $base_sql, |
110 | qr/^\s*CREATE TABLE/m, #assume there is at least one create table statement |
111 | "Received some meaningful output from the first $args->{name} production", |
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112 | ) or do { |
113 | diag ( _gen_diag ($base_t->error) ); |
114 | return; |
115 | }; |
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116 | |
117 | # parse the sql back |
118 | my $parser_t = SQL::Translator->new; |
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119 | $parser_t->$_ (1) for qw/add_drop_table no_comments/; |
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120 | my $mid_schema = $parser_t->translate ( |
121 | data => $base_sql, |
122 | parser => $args->{engine}, |
123 | parser_args => $args->{parser_args}, |
124 | ); |
125 | |
126 | isa_ok ($mid_schema, 'SQL::Translator::Schema', "First $args->{name} parser pass produced a schema:") |
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127 | or do { |
128 | diag (_gen_diag ( $parser_t->error, $base_sql ) ); |
129 | return; |
130 | }; |
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131 | |
132 | # schemas should be comparable at least as far as table/field numbers go |
133 | is_deeply ( |
134 | _get_table_info ($mid_schema->get_tables), |
135 | _get_table_info ($base_schema->get_tables), |
136 | "Schema tables generally match afer $args->{name} parser trip", |
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137 | ) or return; |
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138 | |
139 | # and produce sql once again |
140 | |
141 | # Producing a schema with a Translator different from the one the schema was generated |
142 | # from does not work. This is arguably a bug, 61translator_agnostic.t works with that |
143 | # my $producer_t = SQL::Translator->new; |
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144 | # $producer_t->$_ (1) for qw/add_drop_table no_comments/; |
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145 | |
146 | # my $rt_sql = $producer_t->translate ( |
147 | # data => $mid_schema, |
148 | # producer => $args->{engine}, |
149 | # producer_args => $args->{producer_args}, |
150 | # ); |
151 | |
152 | my $rt_sql = $parser_t->translate ( |
153 | data => $mid_schema, |
154 | producer => $args->{engine}, |
155 | producer_args => $args->{producer_args}, |
156 | ); |
157 | |
158 | like ( |
159 | $rt_sql, |
160 | qr/^\s*CREATE TABLE/m, #assume there is at least one create table statement |
161 | "Received some meaningful output from the second $args->{name} production", |
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162 | ) or do { |
163 | diag ( _gen_diag ( $parser_t->error ) ); |
164 | return; |
165 | }; |
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166 | |
167 | # the two sql strings should be identical |
168 | my $msg = "$args->{name} SQL roundtrip successful - SQL statements match"; |
169 | $ENV{SQLTTEST_RT_DEBUG} |
170 | ? is_deeply ( |
171 | [ split /\n/, $rt_sql ], |
172 | [ split /\n/, $base_sql ], |
173 | $msg, |
174 | ) |
175 | : ok ($rt_sql eq $base_sql, $msg) |
176 | ; |
177 | } |
178 | |
179 | sub _get_table_info { |
180 | my @tables = @_; |
181 | |
182 | my @info; |
183 | |
184 | for my $t (@tables) { |
185 | push @info, { |
186 | name => $t->name, |
187 | fields => [ |
188 | map { $_->name } ($t->get_fields), |
189 | ], |
190 | }; |
191 | } |
192 | |
193 | return \@info; |
194 | } |
195 | |
196 | # takes an error string and an optional SQL block |
197 | # returns the string conctenated with a line-numbered block for |
198 | # easier reading |
199 | sub _gen_diag { |
200 | my ($err, $sql) = @_; |
201 | |
202 | return 'Unknown error' unless $err; |
203 | |
204 | |
205 | if ($sql and $ENV{SQLTTEST_RT_DEBUG}) { |
206 | my @sql_lines; |
207 | for (split /\n/, $sql) { |
208 | push @sql_lines, sprintf ('%03d: %s', |
209 | scalar @sql_lines + 1, |
210 | $_, |
211 | ); |
212 | } |
213 | |
214 | return "$err\n\n" . join ("\n", @sql_lines); |
215 | } |
216 | |
217 | return $err; |
218 | } |