{-# LANGUAGE CPP #-}
-- Copyright (c) 2010, Diego Souza
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module Test.Yql.Core.LocalFunctions.Tree where

#define eq assertEqual (__FILE__ ++":"++ show __LINE__)
#define ok assertBool (__FILE__ ++":"++ show __LINE__)

import Yql.Data.PPrint
import Yql.Core.Types
import Yql.Core.LocalFunctions.Tree
import Yql.Core.LocalFunction
import Test.Framework
import Test.Framework.Providers.HUnit
import Test.HUnit (assertBool, assertEqual)

test0 = testCase ".tree() for `simple' results (i.e. rows without attributes)" $
        do { output <- execTransformM [] (function render) xml
           ; eq tree output
           }
  where tree = init . unlines $ [ "Results"
                                , "├─ row: "
                                , "│  ├─ foo: foo"
                                , "│  ├─ bar: bar"
                                , "├─ row: "
                                , "│  ├─ foo: foo"
                                , "│  ├─ bar: bar"
                                ]
        xml = unlines [ "<?xml version=\"1.0\"?>"
                      , "<results>"
                      , "<row>"
                      , "<foo>foo</foo>"
                      , "<bar>bar</bar>"
                      , "</row>"
                      , "<row>"
                      , "<foo>foo</foo>"
                      , "<bar>bar</bar>"
                      , "</row>"
                      , "</results>"
                      ]

test1 = testCase ".tree() for `complex' results (i.e. rows with attributes)" $
        do { output <- execTransformM [] (function render) xml
           ; eq tree output
           }
  where tree = init . unlines $ [ "Results"
                                , "├─ row: "
                                , "│  ├─ foo: "
                                , "│  │  ├─ field_a: field_a"
                                , "│  │  │  ├─ @attr: attr#0"
                                , "│  │  ├─ field_b: field_b"
                                , "│  ├─ bar: bar"
                                , "├─ row: "
                                , "│  ├─ foo: foo"
                                , "│  ├─ bar: "
                                , "│  │  ├─ field_a: field_a"
                                , "│  │  ├─ field_b: field_b"
                                , "│  │  │  ├─ @attr: attr#1"
                                , "│  │  ├─ field_c: field_c"
                                ]

        xml = unlines [ "<?xml version=\"1.0\"?>"
                      , "<results>"
                      , "<row>"
                      , "<foo><field_a attr=\"attr#0\">field_a</field_a><field_b>field_b</field_b></foo>"
                      , "<bar>bar</bar>"
                      , "</row>"
                      , "<row>"
                      , "<foo>foo</foo>"
                      , "<bar><field_a>field_a</field_a><field_b attr=\"attr#1\">field_b</field_b><field_c>field_c</field_c></bar>"
                      , "</row>"
                      , "</results>"
                      ]

test2 = testCase ".tree() returns raw input when input is not a valid xml" $
        do { output <- execTransformM [] (function render) "foobar"
           ; eq "foobar" output
           }

test3 = testCase ".tree() returns raw input when input is a valid xml but there is no results element" $
        do { output <- execTransformM [] (function render) xml
           ; eq xml output
           }
  where xml = unlines [ "<?xml version=\"1.0\"?>"
                      , "<foobar />"
                      ]

suite :: [Test]
suite = [ testGroup "Tables.hs" [ test0
                                , test1
                                , test2
                                , test3
                                ]
        ]
