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213 lines (176 loc) · 6.22 KB
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// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cc/sgf.h"
#include <vector>
#include "absl/strings/str_cat.h"
#include "cc/color.h"
#include "cc/coord.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace minigo {
namespace sgf {
namespace {
class SgfTest : public ::testing::Test {
protected:
bool Parse(std::string contents) {
return minigo::sgf::Parse(contents, &collection_, &error_);
}
Collection collection_;
std::string error_;
};
TEST_F(SgfTest, NoTrees) {
EXPECT_TRUE(Parse("")) << error_;
EXPECT_TRUE(Parse(" \n ")) << error_;
}
TEST_F(SgfTest, BadTree) { EXPECT_FALSE(Parse(" \n x")); }
TEST_F(SgfTest, EmptyTree) { EXPECT_FALSE(Parse("()")); }
TEST_F(SgfTest, EmptyNode) {
EXPECT_TRUE(Parse("(;)")) << error_;
ASSERT_EQ(1, collection_.trees.size());
ASSERT_EQ(1, collection_.trees[0]->nodes.size());
const auto* node = collection_.trees[0]->nodes[0].get();
EXPECT_EQ(Move(Color::kEmpty, Coord::kInvalid), node->move);
EXPECT_TRUE(node->properties.empty());
EXPECT_EQ("(;)", collection_.ToString());
}
TEST_F(SgfTest, MultipleEmptyNodes) {
EXPECT_TRUE(Parse("(;;;)")) << error_;
ASSERT_EQ(1, collection_.trees.size());
EXPECT_EQ(3, collection_.trees[0]->nodes.size());
EXPECT_EQ("(;\n;\n;)", collection_.trees[0]->ToString());
}
TEST_F(SgfTest, OneNodeTree) {
EXPECT_TRUE(Parse("(;A[1][hmm])")) << error_;
ASSERT_EQ(1, collection_.trees.size());
EXPECT_EQ("(;A[1][hmm])", collection_.ToString());
}
TEST_F(SgfTest, PropertyIdIsMissing) { EXPECT_FALSE(Parse("(;[])")); }
TEST_F(SgfTest, PropertyIdIsNotUpper) { EXPECT_FALSE(Parse("(;a[])")); }
TEST_F(SgfTest, PropertyHasOneEmptyValue) {
EXPECT_TRUE(Parse("(;A[])")) << error_;
}
TEST_F(SgfTest, PropertyHasMultipleEmptyValues) {
EXPECT_TRUE(Parse("(;A[][][])")) << error_;
ASSERT_EQ(1, collection_.trees.size());
EXPECT_EQ(1, collection_.trees[0]->nodes.size());
EXPECT_EQ(1, collection_.trees[0]->nodes[0]->properties.size());
EXPECT_EQ("A", collection_.trees[0]->nodes[0]->properties[0].id);
EXPECT_EQ(3, collection_.trees[0]->nodes[0]->properties[0].values.size());
EXPECT_EQ("(;A[][][])", collection_.trees[0]->ToString());
}
TEST_F(SgfTest, NestedTrees) {
EXPECT_TRUE(Parse("(; (;A[b][c];D[]) (;) (;E[f];G[] (;H[i])))")) << error_;
ASSERT_EQ(1, collection_.trees.size());
EXPECT_EQ(R"((;
(;A[b][c]
;D[])
(;)
(;E[f]
;G[]
(;H[i]))))",
collection_.ToString());
}
TEST_F(SgfTest, MultipleTrees) {
EXPECT_TRUE(Parse("(;X[])(;Y[a]) ( ;Z[b][c])")) << error_;
ASSERT_EQ(3, collection_.trees.size());
EXPECT_EQ("(;X[])", collection_.trees[0]->ToString());
EXPECT_EQ("(;Y[a])", collection_.trees[1]->ToString());
EXPECT_EQ("(;Z[b][c])", collection_.trees[2]->ToString());
}
TEST_F(SgfTest, NodesMustComeBeforeChildren) {
EXPECT_FALSE(Parse("(() ;A[])"));
}
TEST_F(SgfTest, CreateSgfStringDefaults) {
CreateSgfOptions options;
options.result = "W+R";
auto expected = absl::StrCat(
"(;GM[1]FF[4]CA[UTF-8]AP[Minigo_sgfgenerator]RU[Chinese]\nSZ[", kN,
"]KM[7.5]PW[Minigo]PB[Minigo]RE[W+R]\n)\n");
EXPECT_EQ(expected, CreateSgfString({}, options));
}
TEST_F(SgfTest, CreateSgfStringOptions) {
CreateSgfOptions options;
options.black_name = "Alice";
options.white_name = "Bob";
options.ruleset = "Some rules";
options.result = "B+5";
options.komi = 101;
auto expected = absl::StrCat(
"(;GM[1]FF[4]CA[UTF-8]AP[Minigo_sgfgenerator]RU[Some rules]\nSZ[", kN,
"]KM[101]PW[Bob]PB[Alice]RE[B+5]\n)\n");
EXPECT_EQ(expected, CreateSgfString({}, options));
}
TEST_F(SgfTest, CreateSgfStringMoves) {
CreateSgfOptions options;
options.result = "B+R";
std::vector<MoveWithComment> moves = {
{Color::kBlack, Coord::FromSgf("be"), ""},
{Color::kWhite, Coord::FromSgf("aa"), "Hello there"},
{Color::kBlack, Coord::FromSgf("hb"), ""},
{Color::kWhite, Coord::FromSgf("ge"), "General Kenobi"},
{Color::kBlack, Coord::kPass, "You are a bold one"},
};
// clang-format off
auto expected = absl::StrCat(
"(;GM[1]FF[4]CA[UTF-8]AP[Minigo_sgfgenerator]RU[Chinese]\nSZ[", kN,
"]KM[7.5]PW[Minigo]PB[Minigo]RE[B+R]\n",
";B[be]",
";W[aa]C[Hello there]",
";B[hb]",
";W[ge]C[General Kenobi]",
";B[]C[You are a bold one])\n");
// clang-format on
EXPECT_EQ(expected, CreateSgfString(moves, options));
}
TEST_F(SgfTest, InvalidCoord) {
std::string sgf = "(;FF[4](;B[xx]))\n";
ASSERT_FALSE(Parse(sgf));
}
TEST_F(SgfTest, GetMainLineMoves) {
/*
--- B[aa] - W[ab] - B[ac]
\ \
\ B[ad] - W[ae]
\
B[af] - W[ag] - B[ah]
\
W[ai]
*/
std::string sgf =
"(;FF[4](;B[aa];W[ab]C[hello!](;B[ac])(;B[ad];W[ae]))"
"(;B[af](;W[ag];B[ah])(;W[ai])))\n";
std::vector<Move> expected_main_line = {
{Color::kBlack, Coord::FromSgf("aa")},
{Color::kWhite, Coord::FromSgf("ab")},
{Color::kBlack, Coord::FromSgf("ac")},
};
ASSERT_TRUE(Parse(sgf)) << error_;
auto actual_main_line = collection_.trees[0]->ExtractMainLine();
EXPECT_THAT(actual_main_line, ::testing::ContainerEq(expected_main_line));
}
TEST_F(SgfTest, CommentEscaping) {
// Fragment of an SGF that contains escaped characters.
std::string sgf = "(;FF[4];C[test [?\\]: comment]B[aa];W[bb]C[\\]])";
EXPECT_TRUE(Parse(sgf)) << error_;
ASSERT_EQ(1, collection_.trees.size());
const auto* tree = collection_.trees[0].get();
ASSERT_EQ(3, tree->nodes.size());
EXPECT_EQ("aa", tree->nodes[1]->move.c.ToSgf());
EXPECT_EQ("test [?]: comment", tree->nodes[1]->GetComment());
EXPECT_EQ("bb", tree->nodes[2]->move.c.ToSgf());
EXPECT_EQ("]", tree->nodes[2]->GetComment());
}
} // namespace
} // namespace sgf
} // namespace minigo