scheduling: add compressed testdata

Author: Mizux

ortools/scheduling/BUILD.bazel

@@ -113,6 +113,7 @@ cc_test(
         "//ortools/scheduling/testdata:1010_1_3",
         "//ortools/scheduling/testdata:50_10_01_ta041.txt",
         "//ortools/scheduling/testdata:SDST10_ta001.txt",
+        "//ortools/scheduling/testdata:SDST10_ta001.txt.gz",
         "//ortools/scheduling/testdata:ft06",
         "//ortools/scheduling/testdata:jb1.txt",
         "//ortools/scheduling/testdata:taillard-jobshop-15_15-1_225_100_150-1",

ortools/scheduling/jobshop_scheduling_parser.cc

@@ -62,9 +62,14 @@ bool JsspParser::ParseFile(absl::string_view filename) {
   //  - fjs suffix -> Flexible Jobshop
   //  - txt suffix -> Taillard or time dependent scheduling.
 
-  if (absl::EndsWith(filename, "fjs")) {
+  if (absl::EndsWith(filename, "fjs") || absl::EndsWith(filename, "fjs.bz2") ||
+      absl::EndsWith(filename, "fjs.gz") ||
+      absl::EndsWith(filename, "fjs.xz")) {
     problem_type_ = FLEXIBLE;
-  } else if (absl::EndsWith(filename, ".txt")) {
+  } else if (absl::EndsWith(filename, ".txt") ||
+             absl::EndsWith(filename, ".txt.bz2") ||
+             absl::EndsWith(filename, ".txt.gz") ||
+             absl::EndsWith(filename, ".txt.xz")) {
     problem_type_ = TAILLARD;
   } else {
     problem_type_ = JSSP;

ortools/scheduling/jobshop_scheduling_parser_test.cc

@@ -67,6 +67,19 @@ TEST(RcpspParserTest, Sdst) {
   }
 }
 
+TEST(RcpspParserTest, CompressedSdst) {
+  JsspParser parser;
+  ASSERT_TRUE(parser.ParseFile(GetPath("SDST10_ta001.txt.gz")));
+  const JsspInputProblem problem = parser.problem();
+  EXPECT_EQ(20, problem.jobs_size());
+  EXPECT_EQ(5, problem.machines_size());
+  for (const Machine& m : problem.machines()) {
+    ASSERT_TRUE(m.has_transition_time_matrix());
+    EXPECT_EQ(m.transition_time_matrix().transition_time_size(),
+              problem.jobs_size() * problem.jobs_size());
+  }
+}
+
 TEST(RcpspParserTest, Tardiness) {
   JsspParser parser;
   ASSERT_TRUE(parser.ParseFile(GetPath("jb1.txt")));

ortools/scheduling/testdata/BUILD.bazel

@@ -19,6 +19,7 @@ exports_files(
         "1010_1_3",
         "50_10_01_ta041.txt",
         "SDST10_ta001.txt",
+        "SDST10_ta001.txt.gz",
         "c1510_1.mm.txt",
         "ft06",
         "j301_1.sm",