first test for observer code

[scpubgit/DKit.git] / t / basic.t

diff --git a/t/basic.t b/t/basic.t
index 3bd0684..936a847 100644 (file)
--- a/t/basic.t
+++ b/t/basic.t
@@ -19,7 +19,7 @@ my @shells = qw(csh bash);
 
 my %shells = (
   bash => { map +($_ => 1),
-             qw(joe.example.com kitty.scsys.co.uk pryde.scsys.co.uk) },
+             qw(joe.example.com kitty.scsys.co.uk) },
   csh => { map +($_ => 1),
              qw(jim.example.com joe.example.com bob.example.com) },
 );
@@ -48,12 +48,18 @@ sub test_values {
   }
 }
 
-my $op = FromCode->new(
-  code => bind_array(S => \@servers),
-  next => FromCode->new(
-    code => test_values([ 'S' ], sub { $_[0] =~ /\.example\.com$/ })
-  )
-);
+sub make_op {
+  my ($inner) = @_;
+  FromCode->new(
+    code => bind_array(S => \@servers),
+    next => FromCode->new(
+      code => test_values([ 'S' ], sub { $_[0] =~ /\.example\.com$/ }),
+      next => $inner,
+    )
+  );
+}
+
+my $op = make_op;
 
 sub make_state {
   my ($vars, $op) = @_;
@@ -77,8 +83,6 @@ is($stream->next->{'S'}, $_)
 
 is($stream->next, undef, 'No more');
 
-exit 0;
-
 my $complex_op = FromCode->new(
   code => bind_array(S => \@servers),
   next => FromCode->new(
@@ -96,10 +100,147 @@ my $cstream = DX::ResultStream->new(
   for_state => make_state([ qw(S P) ], $complex_op)
 );
 
-::Dwarn($cstream->next);
-::Dwarn($cstream->next);
-::Dwarn($cstream->next);
-::Dwarn($cstream->next);
-::Dwarn($cstream->next);
+is_deeply(
+  [ $cstream->results ],
+  [
+    { P => 'csh', S => 'jim.example.com' },
+    { P => 'csh', S => 'joe.example.com' },
+    { P => 'bash', S => 'joe.example.com' },
+    { P => 'csh', S => 'bob.example.com' },
+  ],
+  'Complex stream'
+);
+
+my $pop_stack = FromCode->new(
+  code => sub { $_[1]->pop_return_stack }
+);
+
+my $inner_op = make_op($pop_stack);
+
+my $call_op = FromCode->new(
+  code => sub {
+    my ($self, $state) = @_;
+    my @rst = @{$state->return_stack};
+    my $save_scope = $state->scope;
+    my %scope = (S => $save_scope->{S});
+    my $ret_op = FromCode->new(
+      code => sub { $_[1]->but(scope => $save_scope, next_op => $_[0]->next) },
+      next => $self->next,
+    );
+    $state->but(
+      scope => \%scope,
+      return_stack => [ @rst, $ret_op ],
+      next_op => $inner_op
+    );
+  },
+  next => FromCode->new(
+    code => bind_array(P => \@shells),
+    next => FromCode->new(
+      code => test_values([ qw(S P) ], sub { $shells{$_[1]}{$_[0]} }),
+    )
+  )
+);
+
+my $callstream = DX::ResultStream->new(
+  for_state => make_state([ qw(S P) ], $call_op)
+);
+
+is_deeply(
+  [ $callstream->results ],
+  [
+    { P => 'csh', S => 'jim.example.com' },
+    { P => 'csh', S => 'joe.example.com' },
+    { P => 'bash', S => 'joe.example.com' },
+    { P => 'csh', S => 'bob.example.com' },
+  ],
+  'Call stream'
+);
+
+my $has_csh = FromCode->new(
+  code => test_values([ 'S' ], sub { $shells{csh}{$_[0]} }),
+  next => $pop_stack
+);
+my $has_bash = FromCode->new(
+  code => test_values([ 'S' ], sub { $shells{bash}{$_[0]} }),
+  next => $pop_stack
+);
+
+my $or_code = sub {
+  my ($self, $state) = @_;
+  my $var = DX::Var->new(id => 'OR')->with_stream(
+    my $stream = ArrayStream->from_array($has_csh, $has_bash)
+  );
+  my $inner_or = FromCode->new(
+    code => sub { $_[1]->then($var->bound_value) }
+  );
+  $state->but(
+    return_stack => [ @{$state->return_stack}, $self->next ],
+    next_op => $inner_or
+  )->mark_choice($var);
+};
+
+my $top_or = FromCode->new(
+  code => bind_array(S => \@servers),
+  next => FromCode->new(code => $or_code),
+);
+
+my $orstream = DX::ResultStream->new(
+  for_state => make_state([ qw(S) ], $top_or)
+);
+
+is_deeply(
+  [ $orstream->results ],
+  [
+    {
+      S => "kitty.scsys.co.uk"
+    },
+    {
+      S => "jim.example.com"
+    },
+    {
+      S => "joe.example.com"
+    },
+    {
+      S => "joe.example.com"
+    },
+    {
+      S => "bob.example.com"
+    }
+  ],
+  'Or stream'
+);
+
+my $top_or_2 = FromCode->new(
+  code => bind_array(S => \@servers),
+  next => FromCode->new(
+    code => $or_code,
+    next => FromCode->new(
+      code => test_values([ 'S' ], sub { $_[0] =~ /\.example\.com$/ }),
+    ),
+  ),
+);
+
+my $orstream_2 = DX::ResultStream->new(
+  for_state => make_state([ qw(S) ], $top_or_2)
+);
+
+is_deeply(
+  [ $orstream_2->results ],
+  [
+    {
+      S => "jim.example.com"
+    },
+    {
+      S => "joe.example.com"
+    },
+    {
+      S => "joe.example.com"
+    },
+    {
+      S => "bob.example.com"
+    }
+  ],
+  'Or stream'
+);
 
 done_testing;