Start building tests.

1 files changed, 200 insertions, 0 deletions

diff --git a/test/writer.py b/test/writer.py
new file mode 100644
index 0000000..4d70780
--- /dev/null
+++ b/test/writer.py
@@ -0,0 +1,200 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use Test::More;
+use Data::Dumper;
+use Data::YAML::Reader;
+use Data::YAML::Writer;
+
+my @SCHEDULE;
+
+BEGIN {
+  @SCHEDULE = (
+    {
+      name => 'Simple scalar',
+      in   => 1,
+      out  => [ '--- 1', '...', ],
+    },
+    {
+      name => 'Undef',
+      in   => undef,
+      out  => [ '--- ~', '...', ],
+    },
+    {
+      name => 'Unprintable',
+      in   => "\x01\n\t",
+      out  => [ '--- "\x01\n\t"', '...', ],
+    },
+    {
+      name => 'Simple array',
+      in   => [ 1, 2, 3 ],
+      out  => [ '---', '- 1', '- 2', '- 3', '...', ],
+    },
+    {
+      name => 'Array, two elements, undef',
+      in   => [ undef, undef ],
+      out  => [ '---', '- ~', '- ~', '...', ],
+    },
+    {
+      name => 'Nested array',
+      in   => [ 1, 2, [ 3, 4 ], 5 ],
+      out =>
+       [ '---', '- 1', '- 2', '-', '  - 3', '  - 4', '- 5', '...', ],
+    },
+    {
+      name => 'Simple hash',
+      in   => { one => '1', two => '2', three => '3' },
+      out => [ '---', 'one: 1', 'three: 3', 'two: 2', '...', ],
+    },
+    {
+      name => 'Nested hash',
+      in   => {
+        one  => '1',
+        two  => '2',
+        more => { three => '3', four => '4' }
+      },
+      out => [
+        '---',
+        'more:',
+        '  four: 4',
+        '  three: 3',
+        'one: 1',
+        'two: 2',
+        '...',
+      ],
+    },
+    {
+      name => 'Unprintable key',
+      in   => { one => '1', "\x02" => '2', three => '3' },
+      out => [ '---', '"\x02": 2', 'one: 1', 'three: 3', '...', ],
+    },
+    {
+      name => 'Empty key',
+      in   => { '' => 'empty' },
+      out  => [ '---', "'': empty", '...', ],
+    },
+    {
+      name => 'Empty value',
+      in   => { '' => '' },
+      out  => [ '---', "'': ''", '...', ],
+    },
+    {
+      name => 'Complex',
+      in   => {
+        'bill-to' => {
+          'given'   => 'Chris',
+          'address' => {
+            'city'   => 'Royal Oak',
+            'postal' => '48046',
+            'lines'  => "458 Walkman Dr.\nSuite #292\n",
+            'state'  => 'MI'
+          },
+          'family' => 'Dumars'
+        },
+        'invoice' => '34843',
+        'date'    => '2001-01-23',
+        'tax'     => '251.42',
+        'product' => [
+          {
+            'sku'         => 'BL394D',
+            'quantity'    => '4',
+            'price'       => '450.00',
+            'description' => 'Basketball'
+          },
+          {
+            'sku'         => 'BL4438H',
+            'quantity'    => '1',
+            'price'       => '2392.00',
+            'description' => 'Super Hoop'
+          }
+        ],
+        'comments' =>
+         "Late afternoon is best. Backup contact is Nancy Billsmer @ 338-4338\n",
+        'total' => '4443.52'
+      },
+      out => [
+        "---",
+        "bill-to:",
+        "  address:",
+        "    city: 'Royal Oak'",
+        "    lines: \"458 Walkman Dr.\\nSuite #292\\n\"",
+        "    postal: 48046",
+        "    state: MI",
+        "  family: Dumars",
+        "  given: Chris",
+        "comments: \"Late afternoon is best. Backup contact is Nancy Billsmer \@ 338-4338\\n\"",
+        "date: 2001-01-23",
+        "invoice: 34843",
+        "product:",
+        "  -",
+        "    description: Basketball",
+        "    price: 450.00",
+        "    quantity: 4",
+        "    sku: BL394D",
+        "  -",
+        "    description: 'Super Hoop'",
+        "    price: 2392.00",
+        "    quantity: 1",
+        "    sku: BL4438H",
+        "tax: 251.42",
+        "total: 4443.52",
+        "...",
+      ],
+    },
+  );
+
+  plan tests => @SCHEDULE * 5;
+}
+
+sub iter {
+  my $ar = shift;
+  return sub {
+    return shift @$ar;
+  };
+}
+
+for my $test ( @SCHEDULE ) {
+  my $name = $test->{name};
+  ok my $yaml = Data::YAML::Writer->new, "$name: Created";
+  isa_ok $yaml, 'Data::YAML::Writer';
+
+  my $got = [];
+  my $writer = sub { push @$got, shift };
+
+  my $data = $test->{in};
+
+  eval { $yaml->write( $data, $writer ) };
+
+  if ( my $err = $test->{error} ) {
+    unless ( like $@, $err, "$name: Error message" ) {
+      diag "Error: $@\n";
+    }
+    is_deeply $got, [], "$name: No result";
+    pass;
+  }
+  else {
+    my $want = $test->{out};
+    unless ( ok !$@, "$name: No error" ) {
+      diag "Error: $@\n";
+    }
+    unless ( is_deeply $got, $want, "$name: Result matches" ) {
+      local $Data::Dumper::Useqq = $Data::Dumper::Useqq = 1;
+      diag( Data::Dumper->Dump( [$got],  ['$got'] ) );
+      diag( Data::Dumper->Dump( [$want], ['$expected'] ) );
+    }
+
+    my $yr = Data::YAML::Reader->new;
+
+    # Now try parsing it
+    my $reader = sub { shift @$got };
+    my $parsed = $yr->read( $reader );
+
+    unless ( is_deeply $parsed, $data, "$name: Reparse OK" ) {
+      local $Data::Dumper::Useqq = $Data::Dumper::Useqq = 1;
+      diag( Data::Dumper->Dump( [$parsed], ['$parsed'] ) );
+      diag( Data::Dumper->Dump( [$data],   ['$data'] ) );
+    }
+  }
+}
+