tomlplusplus/tests/parsing_tables.cpp
2021-01-02 17:48:47 +02:00

442 lines
11 KiB
C++

// This file is a part of toml++ and is subject to the the terms of the MIT license.
// Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
// SPDX-License-Identifier: MIT
#include "tests.h"
TEST_CASE("parsing - tables")
{
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
[table]
[table-1]
key1 = "some string"
key2 = 123
[table-2]
key1 = "another string"
key2 = 456
[dog."tater.man"]
type.name = "pug"
[a.b.c] # this is best practice
[ d.e.f ] # same as [d.e.f]
[ g . h . i ] # same as [g.h.i]
[ j . "k" . 'l' ] # same as [j."k".'l']
# [x] you
# [x.y] don't
# [x.y.z] need these
[x.y.z.w] # for this to work
[x] # defining a super-table afterwards is ok
[fruit]
apple.color = "red"
apple.taste.sweet = true
[fruit.apple.texture] # you can add sub-tables
smooth = true
)"sv,
[](table&& tbl)
{
REQUIRE(tbl["table"].as<table>());
CHECK(tbl["table"].as<table>()->size() == 0u);
REQUIRE(tbl["table-1"].as<table>());
CHECK(tbl["table-1"].as<table>()->size() == 2u);
CHECK(tbl["table-1"]["key1"] == "some string"sv);
CHECK(tbl["table-1"]["key2"] == 123);
REQUIRE(tbl["table-2"].as<table>());
CHECK(tbl["table-2"].as<table>()->size() == 2u);
CHECK(tbl["table-2"]["key1"] == "another string"sv);
CHECK(tbl["table-2"]["key2"] == 456);
REQUIRE(tbl["dog"].as<table>());
CHECK(tbl["dog"].as<table>()->size() == 1u);
REQUIRE(tbl["dog"]["tater.man"].as<table>());
CHECK(tbl["dog"]["tater.man"].as<table>()->size() == 1u);
CHECK(tbl["dog"]["tater.man"]["type"]["name"] == "pug"sv);
CHECK(tbl["a"].as<table>());
CHECK(tbl["a"]["b"].as<table>());
CHECK(tbl["a"]["b"]["c"].as<table>());
CHECK(tbl["d"].as<table>());
CHECK(tbl["d"]["e"].as<table>());
CHECK(tbl["d"]["e"]["f"].as<table>());
CHECK(tbl["g"].as<table>());
CHECK(tbl["g"]["h"].as<table>());
CHECK(tbl["g"]["h"]["i"].as<table>());
CHECK(tbl["j"].as<table>());
CHECK(tbl["j"]["k"].as<table>());
CHECK(tbl["j"]["k"]["l"].as<table>());
REQUIRE(tbl["fruit"].as<table>());
CHECK(tbl["fruit"]["apple"]["color"] == "red"sv);
CHECK(tbl["fruit"]["apple"]["taste"]["sweet"] == true);
CHECK(tbl["fruit"]["apple"]["texture"]["smooth"] == true);
}
);
parsing_should_fail(FILE_LINE_ARGS, R"(
# DO NOT DO THIS
[fruit]
apple = "red"
[fruit]
orange = "orange"
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
# DO NOT DO THIS EITHER
[fruit]
apple = "red"
[fruit.apple]
texture = "smooth"
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
[fruit]
apple.color = "red"
apple.taste.sweet = true
[fruit.apple]
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
[fruit]
apple.color = "red"
apple.taste.sweet = true
[fruit.apple.taste]
)"sv);
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
# VALID BUT DISCOURAGED
[fruit.apple]
[animal]
[fruit.orange]
)"sv,
[](table&& tbl)
{
REQUIRE(tbl["animal"].as<table>());
CHECK(tbl["animal"].as<table>()->size() == 0u);
REQUIRE(tbl["fruit"].as<table>());
CHECK(tbl["fruit"].as<table>()->size() == 2u);
REQUIRE(tbl["fruit"]["apple"].as<table>());
REQUIRE(tbl["fruit"]["orange"].as<table>());
}
);
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
# RECOMMENDED
[fruit.apple]
[fruit.orange]
[animal]
)"sv,
[](table&& tbl)
{
REQUIRE(tbl["animal"].as<table>());
CHECK(tbl["animal"].as<table>()->size() == 0u);
REQUIRE(tbl["fruit"].as<table>());
CHECK(tbl["fruit"].as<table>()->size() == 2u);
REQUIRE(tbl["fruit"]["apple"].as<table>());
REQUIRE(tbl["fruit"]["orange"].as<table>());
}
);
parsing_should_fail(FILE_LINE_ARGS, R"([])"sv);
}
TEST_CASE("parsing - inline tables")
{
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
name = { first = "Tom", last = "Preston-Werner" }
point = { x = 1, y = 2 }
animal = { type.name = "pug" }
[product]
type = { name = "Nail" }
)"sv,
[](table&& tbl)
{
REQUIRE(tbl["name"].as<table>());
CHECK(tbl["name"].as<table>()->size() == 2u);
CHECK(tbl["name"]["first"] == "Tom"sv);
CHECK(tbl["name"]["last"] == "Preston-Werner"sv);
REQUIRE(tbl["point"].as<table>());
CHECK(tbl["point"].as<table>()->size() == 2u);
CHECK(tbl["point"]["x"] == 1);
CHECK(tbl["point"]["y"] == 2);
REQUIRE(tbl["animal"].as<table>());
CHECK(tbl["animal"].as<table>()->size() == 1u);
REQUIRE(tbl["animal"]["type"].as<table>());
CHECK(tbl["animal"]["type"].as<table>()->size() == 1u);
CHECK(tbl["animal"]["type"]["name"] == "pug"sv);
REQUIRE(tbl["product"].as<table>());
CHECK(tbl["product"].as<table>()->size() == 1u);
REQUIRE(tbl["product"]["type"].as<table>());
CHECK(tbl["product"]["type"].as<table>()->size() == 1u);
CHECK(tbl["product"]["type"]["name"] == "Nail"sv);
}
);
parsing_should_fail(FILE_LINE_ARGS, R"(
[product]
type = { name = "Nail" }
type.edible = false # INVALID
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
[product]
type.name = "Nail"
type = { edible = false } # INVALID
)"sv);
// "newlines are allowed between the curly braces [if] they are valid within a value."
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
test = { val1 = "foo", val2 = [
1, 2,
3
], val3 = "bar" }
)"sv,
[](table&& tbl)
{
REQUIRE(tbl["test"].as<table>());
CHECK(tbl["test"].as<table>()->size() == 3u);
CHECK(tbl["test"]["val1"] == "foo"sv);
REQUIRE(tbl["test"]["val2"].as<array>());
CHECK(tbl["test"]["val2"].as<array>()->size() == 3u);
CHECK(tbl["test"]["val2"][0] == 1);
CHECK(tbl["test"]["val2"][1] == 2);
CHECK(tbl["test"]["val2"][2] == 3);
CHECK(tbl["test"]["val3"] == "bar"sv);
}
);
// toml/issues/516 (newlines/trailing commas in inline tables)
#if TOML_LANG_UNRELEASED
{
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
name = {
first = "Tom",
last = "Preston-Werner",
}
)"sv,
[](table&& tbl)
{
REQUIRE(tbl["name"].as<table>());
CHECK(tbl["name"].as<table>()->size() == 2u);
CHECK(tbl["name"]["first"] == "Tom"sv);
CHECK(tbl["name"]["last"] == "Preston-Werner"sv);
}
);
}
#else
{
// "A terminating comma (also called trailing comma) is not permitted after the last key/value pair in an inline table."
parsing_should_fail(FILE_LINE_ARGS, R"(name = { first = "Tom", last = "Preston-Werner", })"sv);
// "No newlines are allowed between the curly braces unless they are valid within a value."
parsing_should_fail(FILE_LINE_ARGS, R"(
name = {
first = "Tom",
last = "Preston-Werner"
}
)"sv);
}
#endif
}
TEST_CASE("parsing - arrays-of-tables")
{
parsing_should_succeed(
FILE_LINE_ARGS,
R"(
points = [ { x = 1, y = 2, z = 3 },
{ x = 7, y = 8, z = 9 },
{ x = 2, y = 4, z = 8 } ]
[[products]]
name = "Hammer"
sku = 738594937
[[products]]
[[products]]
name = "Nail"
sku = 284758393
color = "gray"
[[fruit]]
name = "apple"
[fruit.physical] # subtable
color = "red"
shape = "round"
[[fruit.variety]] # nested array of tables
name = "red delicious"
[[fruit.variety]]
name = "granny smith"
[[fruit]]
name = "banana"
[[fruit.variety]]
name = "plantain"
)"sv,
[](table&& tbl)
{
REQUIRE(tbl["points"].as<array>());
CHECK(tbl["points"].as<array>()->size() == 3u);
CHECK(tbl["points"].as<array>()->is_homogeneous());
CHECK(tbl["points"].as<array>()->is_array_of_tables());
CHECK(tbl["points"][0]["x"] == 1);
CHECK(tbl["points"][0]["y"] == 2);
CHECK(tbl["points"][0]["z"] == 3);
CHECK(tbl["points"][1]["x"] == 7);
CHECK(tbl["points"][1]["y"] == 8);
CHECK(tbl["points"][1]["z"] == 9);
CHECK(tbl["points"][2]["x"] == 2);
CHECK(tbl["points"][2]["y"] == 4);
CHECK(tbl["points"][2]["z"] == 8);
REQUIRE(tbl["products"].as<array>());
CHECK(tbl["products"].as<array>()->size() == 3u);
CHECK(tbl["products"].as<array>()->is_homogeneous());
CHECK(tbl["products"].as<array>()->is_array_of_tables());
REQUIRE(tbl["products"][0].as<table>());
CHECK(tbl["products"][0].as<table>()->size() == 2u);
CHECK(tbl["products"][0]["name"] == "Hammer"sv);
CHECK(tbl["products"][0]["sku"] == 738594937);
REQUIRE(tbl["products"][1].as<table>());
CHECK(tbl["products"][1].as<table>()->size() == 0u);
REQUIRE(tbl["products"][2].as<table>());
CHECK(tbl["products"][2].as<table>()->size() == 3u);
CHECK(tbl["products"][2]["name"] == "Nail"sv);
CHECK(tbl["products"][2]["sku"] == 284758393);
CHECK(tbl["products"][2]["color"] == "gray"sv);
REQUIRE(tbl["fruit"].as<array>());
CHECK(tbl["fruit"].as<array>()->size() == 2u);
CHECK(tbl["fruit"].as<array>()->is_homogeneous());
CHECK(tbl["fruit"].as<array>()->is_array_of_tables());
REQUIRE(tbl["fruit"][0].as<table>());
CHECK(tbl["fruit"][0].as<table>()->size() == 3u);
CHECK(tbl["fruit"][0]["name"] == "apple"sv);
REQUIRE(tbl["fruit"][0]["physical"].as<table>());
CHECK(tbl["fruit"][0]["physical"].as<table>()->size() == 2u);
CHECK(tbl["fruit"][0]["physical"]["color"] == "red"sv);
CHECK(tbl["fruit"][0]["physical"]["shape"] == "round"sv);
REQUIRE(tbl["fruit"][0]["variety"].as<array>());
CHECK(tbl["fruit"][0]["variety"].as<array>()->size() == 2u);
CHECK(tbl["fruit"][0]["variety"].as<array>()->is_homogeneous());
CHECK(tbl["fruit"][0]["variety"].as<array>()->is_array_of_tables());
CHECK(tbl["fruit"][0]["variety"][0]["name"] == "red delicious"sv);
CHECK(tbl["fruit"][0]["variety"][1]["name"] == "granny smith"sv);
REQUIRE(tbl["fruit"][1].as<table>());
CHECK(tbl["fruit"][1].as<table>()->size() == 2u);
CHECK(tbl["fruit"][1]["name"] == "banana"sv);
REQUIRE(tbl["fruit"][1]["variety"].as<array>());
CHECK(tbl["fruit"][1]["variety"].as<array>()->size() == 1u);
CHECK(tbl["fruit"][1]["variety"].as<array>()->is_homogeneous());
CHECK(tbl["fruit"][1]["variety"].as<array>()->is_array_of_tables());
CHECK(tbl["fruit"][1]["variety"][0]["name"] == "plantain"sv);
}
);
parsing_should_fail(FILE_LINE_ARGS, R"(
# INVALID TOML DOC
[fruit.physical] # subtable, but to which parent element should it belong?
color = "red"
shape = "round"
[[fruit]] # parser must throw an error upon discovering that "fruit" is
# an array rather than a table
name = "apple"
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
# INVALID TOML DOC
fruit = []
[[fruit]] # Not allowed
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
# INVALID TOML DOC
[[fruit]]
name = "apple"
[[fruit.variety]]
name = "red delicious"
# INVALID: This table conflicts with the previous array of tables
[fruit.variety]
name = "granny smith"
)"sv);
parsing_should_fail(FILE_LINE_ARGS, R"(
# INVALID TOML DOC
[[fruit]]
name = "apple"
[fruit.physical]
color = "red"
shape = "round"
# INVALID: This array of tables conflicts with the previous table
[[fruit.physical]]
color = "green"
)"sv);
}