apacheGH-45279: [C++][Compute] Move all Grouper tests to grouper_test.cc

Author: pitrou

cpp/src/arrow/acero/CMakeLists.txt

@@ -109,7 +109,8 @@ endforeach()
 if(ARROW_TESTING)
   # test_nodes.cc isn't used by all tests but link to it for simple
   # CMakeLists.txt.
-  add_library(arrow_acero_testing OBJECT test_nodes.cc test_util_internal.cc)
+  add_library(arrow_acero_testing OBJECT test_nodes.cc test_util_internal.cc
+                                         ../compute/test_util_internal.cc)
   # Even though this is still just an object library we still need to "link" our
   # dependencies so that include paths are configured correctly
   target_link_libraries(arrow_acero_testing PRIVATE ${ARROW_ACERO_TEST_LINK_LIBS})

cpp/src/arrow/acero/aggregate_node.h

@@ -24,6 +24,7 @@
 
 #include "arrow/acero/visibility.h"
 #include "arrow/compute/api_aggregate.h"
+#include "arrow/compute/test_util_internal.h"
 #include "arrow/compute/type_fwd.h"
 #include "arrow/result.h"
 #include "arrow/type_fwd.h"

cpp/src/arrow/acero/aggregate_node_test.cc

@@ -24,6 +24,7 @@
 
 #include "arrow/acero/test_util_internal.h"
 #include "arrow/compute/api_aggregate.h"
+#include "arrow/compute/test_util_internal.h"
 #include "arrow/result.h"
 #include "arrow/table.h"
 #include "arrow/testing/gtest_util.h"

cpp/src/arrow/acero/asof_join_node_test.cc

@@ -41,8 +41,9 @@
 #include "arrow/acero/util.h"
 #include "arrow/api.h"
 #include "arrow/compute/api_scalar.h"
-#include "arrow/compute/kernels/test_util.h"
+#include "arrow/compute/cast.h"
 #include "arrow/compute/row/row_encoder_internal.h"
+#include "arrow/compute/test_util_internal.h"
 #include "arrow/testing/gtest_util.h"
 #include "arrow/testing/matchers.h"
 #include "arrow/testing/random.h"