Making Test Determinator parametric to Java and Clang

Reviewed By: martinoluca

Differential Revision: D8010835

fbshipit-source-id: 3182c79

infer/src/base/Config.ml

@@ -1544,6 +1544,14 @@ and max_nesting =
      skipped. If omitted, all levels are shown."
 
 
+and method_decls_info =
+  CLOpt.mk_string_opt ~long:"method-decls-info"
+    "Specifies the file containing the method declarations info     (eg. start line, end line, \
+     class, method name, etc.) when Infer is run Test Determinator mode. Used in combination with \
+     other options as follows: $(b,--test-determinator --modified-lines modified_line_file \
+     --profiler-sample profiler_sample_file --method-decls-info minfo.json)"
+
+
 and merge =
   CLOpt.mk_bool ~deprecated:["merge"] ~long:"merge"
     ~in_help:InferCommand.[(Analyze, manual_buck_flavors)]
@@ -1561,10 +1569,11 @@ and ml_buckets =
 
 
 and modified_lines =
-  CLOpt.mk_string ~long:"modified-lines" ~default:""
+  CLOpt.mk_string_opt ~long:"modified-lines"
     "Specifies the file containing the modified lines when Infer is run Test Determinator mode. \
-     --test-determinator --modified-lines modified_lines_file --profiler-sample \
+     Used in combination with other options as follows:\n     \
-     profiler_sample_file"
+     $(b, --test-determinator --modified-lines modified_lines_file --profiler-sample \
+     profiler_sample_file)"
 
 
 and modified_targets =
@@ -2031,9 +2040,8 @@ and symops_per_iteration =
 and test_determinator =
   CLOpt.mk_bool ~long:"test-determinator" ~default:false
     "Run infer in Test Determinator mode. It is used together with the --modified-lines and \
-     --test-profiler flags  \n    \
+     --test-profiler flags   which speficy the relevant arguments. E.g. $(b, --test-determinator \
-     which speficy the relevant arguments. E.g. --test-determinator --modified-lines \
+     --modified-lines modified_line_file --profiler-sample profiler_sample_file)"
-     modified_line_file --profiler-sample profiler_sample_file"
 
 
 and test_filtering =
@@ -2041,11 +2049,12 @@ and test_filtering =
     "List all the files Infer can report on (should be called from the root of the project)"
 
 
-and profiler_sample =
+and profiler_samples =
-  CLOpt.mk_string ~long:"profiler-sample" ~default:""
+  CLOpt.mk_string_opt ~long:"profiler-samples"
     "Specifies the file containing the profiler samples when Infer is run Test Determinator mode. \
-     --test-determinator --modified-lines modified_line_file --profiler-sample \
+     Used in combination with other options as follows:\n     \
-     profiler_samples_file"
+     $(b,--test-determinator --modified-lines modified_line_file --profiler-samples \
+     profiler_samples_file)"
 
 
 and testing_mode =
@@ -2650,6 +2659,8 @@ and log_file = !log_file
 
 and max_nesting = !max_nesting
 
+and method_decls_info = !method_decls_info
+
 and merge = !merge
 
 and ml_buckets = !ml_buckets
@@ -2824,7 +2835,7 @@ and test_determinator = !test_determinator
 
 and test_filtering = !test_filtering
 
-and profiler_sample = !profiler_sample
+and profiler_samples = !profiler_samples
 
 and testing_mode = !testing_mode
 

infer/src/base/Config.mli

@@ -493,6 +493,8 @@ val log_file : string
 
 val max_nesting : int option
 
+val method_decls_info : string option
+
 val merge : bool
 
 val ml_buckets :
@@ -500,7 +502,7 @@ val ml_buckets :
 
 val models_mode : bool
 
-val modified_lines : string
+val modified_lines : string option
 
 val modified_targets : string option
 
@@ -626,7 +628,7 @@ val test_determinator : bool
 
 val test_filtering : bool
 
-val profiler_sample : string
+val profiler_samples : string option
 
 val testing_mode : bool
 

infer/src/infer.ml

@@ -120,56 +120,61 @@ let () =
   prepare_events_logging () ;
   if Config.debug_mode && CLOpt.is_originator then
     L.progress "Logs in %s@." (Config.results_dir ^/ Config.log_file) ;
-  ( match Config.command with
+  ( if Config.test_determinator then (
-  | Analyze ->
+      TestDeterminator.test_to_run_java Config.modified_lines Config.profiler_samples
-      run Driver.Analyze
+        Config.method_decls_info ;
-  | Capture | Compile | Run ->
+      TestDeterminator.print_test_to_run () )
-      run (Lazy.force Driver.mode_from_command_line)
+  else
-  | Report ->
+    match Config.command with
-      InferPrint.main ~report_json:None
+    | Analyze ->
-  | ReportDiff ->
+        run Driver.Analyze
-      (* at least one report must be passed in input to compute differential *)
+    | Capture | Compile | Run ->
-      ( match (Config.report_current, Config.report_previous) with
+        run (Lazy.force Driver.mode_from_command_line)
-      | None, None ->
+    | Report ->
-          L.(die UserError)
+        InferPrint.main ~report_json:None
-            "Expected at least one argument among '--report-current' and '--report-previous'"
+    | ReportDiff ->
-      | _ ->
+        (* at least one report must be passed in input to compute differential *)
-          () ) ;
+        ( match (Config.report_current, Config.report_previous) with
-      ReportDiff.reportdiff ~current_report:Config.report_current
+        | None, None ->
-        ~previous_report:Config.report_previous
+            L.(die UserError)
-  | Diff ->
+              "Expected at least one argument among '--report-current' and '--report-previous'"
-      Diff.diff (Lazy.force Driver.mode_from_command_line)
+        | _ ->
-  | Explore when Config.procedures ->
+            () ) ;
-      L.result "%a"
+        ReportDiff.reportdiff ~current_report:Config.report_current
-        Config.(
+          ~previous_report:Config.report_previous
-          Procedures.pp_all ?filter:procedures_filter ~proc_name:procedures_name
+    | Diff ->
-            ~attr_kind:procedures_definedness ~source_file:procedures_source_file
+        Diff.diff (Lazy.force Driver.mode_from_command_line)
-            ~proc_attributes:procedures_attributes)
+    | Explore when Config.procedures ->
-        ()
+        L.result "%a"
-  | Explore when Config.source_files ->
+          Config.(
-      L.result "%a"
+            Procedures.pp_all ?filter:procedures_filter ~proc_name:procedures_name
-        (SourceFiles.pp_all ?filter:Config.source_files_filter ~cfgs:Config.source_files_cfgs
+              ~attr_kind:procedures_definedness ~source_file:procedures_source_file
-           ~type_environment:Config.source_files_type_environment
+              ~proc_attributes:procedures_attributes)
-           ~procedure_names:Config.source_files_procedure_names
+          ()
-           ~freshly_captured:Config.source_files_freshly_captured)
+    | Explore when Config.source_files ->
-        ()
+        L.result "%a"
-  | Explore ->
+          (SourceFiles.pp_all ?filter:Config.source_files_filter ~cfgs:Config.source_files_cfgs
-      let if_some key opt args =
+             ~type_environment:Config.source_files_type_environment
-        match opt with None -> args | Some arg -> key :: string_of_int arg :: args
+             ~procedure_names:Config.source_files_procedure_names
-      in
+             ~freshly_captured:Config.source_files_freshly_captured)
-      let if_true key opt args = if not opt then args else key :: args in
+          ()
-      let if_false key opt args = if opt then args else key :: args in
+    | Explore ->
-      let args =
+        let if_some key opt args =
-        if_some "--max-level" Config.max_nesting @@ if_true "--only-show" Config.only_show
+          match opt with None -> args | Some arg -> key :: string_of_int arg :: args
-        @@ if_false "--no-source" Config.source_preview @@ if_true "--html" Config.html
+        in
-        @@ if_some "--select" Config.select ["-o"; Config.results_dir]
+        let if_true key opt args = if not opt then args else key :: args in
-      in
+        let if_false key opt args = if opt then args else key :: args in
-      let prog = Config.lib_dir ^/ "python" ^/ "inferTraceBugs" in
+        let args =
-      if is_error (Unix.waitpid (Unix.fork_exec ~prog ~argv:(prog :: args) ())) then
+          if_some "--max-level" Config.max_nesting @@ if_true "--only-show" Config.only_show
-        L.external_error
+          @@ if_false "--no-source" Config.source_preview @@ if_true "--html" Config.html
-          "** Error running the reporting script:@\n**   %s %s@\n** See error above@." prog
+          @@ if_some "--select" Config.select ["-o"; Config.results_dir]
-          (String.concat ~sep:" " args)
+        in
-  | Events ->
+        let prog = Config.lib_dir ^/ "python" ^/ "inferTraceBugs" in
-      EventLogger.dump () ) ;
+        if is_error (Unix.waitpid (Unix.fork_exec ~prog ~argv:(prog :: args) ())) then
+          L.external_error
+            "** Error running the reporting script:@\n**   %s %s@\n** See error above@." prog
+            (String.concat ~sep:" " args)
+    | Events ->
+        EventLogger.dump () ) ;
   (* to make sure the exitcode=0 case is logged, explicitly invoke exit *)
   L.exit 0

infer/src/java/JavaProfilerSamples.ml

@@ -264,7 +264,7 @@ module JNI = struct
   end
 end
 
-let create ~classname ~methodname ~signature ~kind =
+let create ~classname ~methodname ~signature =
   let name = Typ.Name.Java.from_string classname in
   let args, ret_typ = JNI.parse_method_str signature in
   let java_type_args = List.map ~f:JNI.to_java_type args in
@@ -275,7 +275,9 @@ let create ~classname ~methodname ~signature ~kind =
     then None
     else Some (JNI.to_java_type ret_typ)
   in
-  Typ.Procname.Java (Typ.Procname.Java.make name java_type_ret_typ methodname java_type_args kind)
+  Typ.Procname.Java
+    (Typ.Procname.Java.make name java_type_ret_typ methodname java_type_args
+       Typ.Procname.Java.Non_Static)
 
 
 type labeled_profiler_sample = string * ProfilerSample.t [@@deriving compare]
@@ -300,9 +302,7 @@ let from_json j =
           ; ("signature", `String signature)
           ; _ ]
         :: tl ->
-          let procname =
+          let procname = create ~classname ~methodname ~signature in
-            create ~kind:Typ.Procname.Java.Non_Static ~classname ~methodname ~signature
-          in
           parse_json tl (procname :: acc)
       | [] ->
           acc

infer/src/java/JavaProfilerSamples.mli

@@ -48,3 +48,5 @@ val equal_labeled_profiler_sample : labeled_profiler_sample -> labeled_profiler_
 val from_json_string : string -> labeled_profiler_sample list
 
 val from_json_file : string -> labeled_profiler_sample list
+
+val create : classname:string -> methodname:string -> signature:string -> ProfilerSample.elt

infer/src/java/jMain.ml

@@ -36,8 +36,6 @@ let do_source_file linereader classes program tenv source_basename package_opt s
     JFrontend.compute_source_icfg linereader classes program tenv source_basename package_opt
       source_file
   in
-  if Config.test_determinator then
-    TestDeterminator.test_to_run source_file cfg Config.modified_lines Config.profiler_sample ;
   store_icfg source_file cfg
 
 

infer/src/java/testDeterminator.ml

@@ -7,103 +7,253 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *)
 module L = Logging
+module F = Format
 open JavaProfilerSamples
 open! IStd
 
-module LineRangeMap = Caml.Map.Make (struct
+module RangeMap = Caml.Map.Make (struct
   type t = Typ.Procname.t
 
   let compare = Typ.Procname.compare
 end)
 
-let update_line_range_map pdesc map =
+let initialized_test_determinator = ref false
-  let start_node = Procdesc.get_start_node pdesc in
-  let exit_node = Procdesc.get_exit_node pdesc in
-  let range = (Procdesc.Node.get_loc start_node, Procdesc.Node.get_loc exit_node) in
-  let key = Procdesc.get_proc_name pdesc in
-  LineRangeMap.add key range map
 
+let is_test_determinator_init () = !initialized_test_determinator
+
+module MethodRangeMap = struct
+  let map : (Location.t * Location.t) RangeMap.t ref = ref RangeMap.empty
+
+  let method_range_map () = !map
+
+  let split_class_method_name qualified_method_name =
+    String.rsplit2_exn qualified_method_name ~on:'.'
+
+
+  let create_java_method_range_map code_graph_file' =
+    match code_graph_file' with
+    | Some code_graph_file ->
+        let open Java_method_decl_j in
+        let json_string =
+          match Utils.read_file code_graph_file with
+          | Ok cl_list ->
+              let json = List.fold cl_list ~init:"" ~f:(fun acc s -> acc ^ s) in
+              json
+          | Error _ ->
+              L.die UserError "Could not read file %s" code_graph_file
+        in
+        let method_decls = java_method_decls_of_string json_string in
+        let map' =
+          List.fold method_decls ~init:RangeMap.empty ~f:(fun acc decl ->
+              let start_location =
+                { Location.line= decl.start_line
+                ; col= -1
+                ; file= SourceFile.create ~warn_on_error:false decl.source_file }
+              in
+              let end_location =
+                { Location.line= decl.end_line
+                ; col= -1
+                ; file= SourceFile.create ~warn_on_error:false decl.source_file }
+              in
+              let range = (start_location, end_location) in
+              let classname, methodname = split_class_method_name decl.method_name in
+              let signature = match decl.signature with Some s -> s | _ -> "" in
+              let key = JavaProfilerSamples.create ~classname ~methodname ~signature in
+              RangeMap.add key range acc )
+        in
+        map := map'
+    | _ ->
+        L.die UserError "Missing method declaration info argument"
+
+
+  let create_clang_method_range_map cfg =
+    let update_method_range_map pdesc =
+      let start_node = Procdesc.get_start_node pdesc in
+      let exit_node = Procdesc.get_exit_node pdesc in
+      let range = (Procdesc.Node.get_loc start_node, Procdesc.Node.get_loc exit_node) in
+      let key = Procdesc.get_proc_name pdesc in
+      map := RangeMap.add key range !map
+    in
+    Typ.Procname.Hash.iter (fun _ pdesc -> update_method_range_map pdesc) cfg
+
+
+  let pp_map fmt () =
+    let pp_map' fmt m =
+      RangeMap.iter
+        (fun key range ->
+          F.fprintf fmt "@\n      %a --> (%a,%a)" Typ.Procname.pp key Location.pp (fst range)
+            Location.pp (snd range) )
+        m
+    in
+    F.fprintf fmt "@\n--- Method Range Map ---%a@\n--- End Method Range Map --- @\n" pp_map' !map
+end
+
+module DiffLines = struct
+  (* This is a map 
+        file name |--> {set of changed line } 
+  *)
+  let map : int list String.Map.t ref = ref String.Map.empty
+
+  let changed_lines_map () = !map
+
+  (* Read the file containing info on changed lines and populate the map *)
+  let init_changed_lines_map changed_lines_file' =
+    match changed_lines_file' with
+    | Some changed_lines_file
+      -> (
+        L.progress "@\n Initializing modified lines map from file '%s'... " changed_lines_file ;
+        match Utils.read_file changed_lines_file with
+        | Ok cl_list ->
+            let changed_lines =
+              List.fold cl_list ~init:String.Map.empty ~f:(fun acc cl_item ->
+                  let fname, cl = String.rsplit2_exn ~on:':' cl_item in
+                  String.Map.set acc ~key:fname ~data:(FileDiff.parse_unix_diff cl) )
+            in
+            L.progress " done! @\n" ;
+            map := changed_lines
+        | Error _ ->
+            L.die UserError "Could not read file %s" changed_lines_file )
+    | _ ->
+        L.die UserError "Missing modified lines argument"
+
+
+  let print_changed_lines () =
+    L.(debug Analysis Medium) "@\n--- Changed Lines Map --- " ;
+    String.Map.iteri !map ~f:(fun ~key:k ~data:d ->
+        L.(debug Analysis Medium) "\n     %s --> [" k ;
+        List.iter d ~f:(L.(debug Analysis Medium) " %i ") ;
+        L.(debug Analysis Medium) " ] " ) ;
+    L.(debug Analysis Medium) "@\n--- End Changed Lines Map --- @\n"
+end
+
+let pp_profiler_sample_set fmt s =
+  F.fprintf fmt "size = %i" (ProfilerSample.cardinal s) ;
+  ProfilerSample.iter (fun m -> F.fprintf fmt "@\n      >  %a " Typ.Procname.pp m) s
+
+
+module TestSample = struct
+  let labeled_test_samples = ref []
+
+  let test_sample () = !labeled_test_samples
+
+  let init_test_sample test_samples_file' =
+    match test_samples_file' with
+    | Some test_samples_file ->
+        L.progress "@\nReading Profiler Samples File '%s'...." test_samples_file ;
+        let ts = JavaProfilerSamples.from_json_file test_samples_file in
+        labeled_test_samples := ts
+    | _ ->
+        L.die UserError "Missing profiler samples argument"
+
+
+  let pp_map fmt () =
+    List.iter !labeled_test_samples ~f:(fun (label, profiler_samples) ->
+        F.fprintf fmt "=== Samples for %s ===@\n%a@\n=== End Samples for %s ===@\n" label
+          pp_profiler_sample_set profiler_samples label )
+end
 
 let in_range l range = l >= (fst range).Location.line && l <= (snd range).Location.line
 
-let affected_methods line_range_map changed_lines =
+let affected_methods method_range_map changed_lines =
-  LineRangeMap.fold
+  RangeMap.fold
     (fun key range acc ->
-      if List.exists ~f:(fun l -> in_range l range) changed_lines then ProfilerSample.add key acc
+      if List.exists ~f:(fun l -> in_range l range) changed_lines then
+        (*L.progress "@\n ADDING '%a' in affected methods..." Typ.Procname.pp key ; *)
+        ProfilerSample.add key acc
       else acc )
-    line_range_map ProfilerSample.empty
+    method_range_map ProfilerSample.empty
 
 
-let compute_affected_methods fname cfg files_changed_lines_map =
+let compute_affected_methods_java changed_lines_map method_range_map =
-  L.(debug Capture Verbose) "@\n Looking for file %s in files_changed_line_map @\n" fname ;
+  let affected_methods =
-  match String.Map.find files_changed_lines_map fname with
+    String.Map.fold changed_lines_map ~init:ProfilerSample.empty ~f:(fun ~key:_ ~data acc ->
+        let am = affected_methods method_range_map data in
+        ProfilerSample.union am acc )
+  in
+  L.progress "== Resulting Affected Methods ==@\n%a@\n== End Affected Methods ==@\n"
+    pp_profiler_sample_set affected_methods ;
+  affected_methods
+
+
+let compute_affected_methods_clang source_file changed_lines_map method_range_map =
+  let fname = SourceFile.to_rel_path source_file in
+  L.progress "@\n Looking for file %s in changed-line map..." fname ;
+  match String.Map.find changed_lines_map fname with
   | Some changed_lines ->
-      let line_range_map : (Location.t * Location.t) LineRangeMap.t = LineRangeMap.empty in
+      L.progress " found!@\n" ;
-      let line_range_map' =
+      let affected_methods = affected_methods method_range_map changed_lines in
-        Typ.Procname.Hash.fold
+      L.progress "== Resulting Affected Methods ==@\n%a@\n== End Affected Methods ==@\n"
-          (fun _ pdesc acc -> update_line_range_map pdesc acc)
+        pp_profiler_sample_set affected_methods ;
-          cfg line_range_map
-      in
-      L.(debug Capture Verbose) "@\n Line Range Map" ;
-      LineRangeMap.iter
-        (fun key range ->
-          L.(debug Capture Verbose)
-            "@\n      %a --> (%a,%a)" Typ.Procname.pp key Location.pp (fst range) Location.pp
-            (snd range) )
-        line_range_map' ;
-      L.(debug Capture Verbose) "@\n End Line Range Map @\n" ;
-      let affected_methods = affected_methods line_range_map' changed_lines in
-      L.(debug Capture Verbose) "@\n == Start Printing Affected Methods == " ;
-      ProfilerSample.iter
-        (fun m -> L.(debug Capture Verbose) "@\n     METHOD>  %a " Typ.Procname.pp m)
-        affected_methods ;
-      L.(debug Capture Verbose) "@\n == End Printing Affected Methods == @\n" ;
       affected_methods
   | None ->
-      L.(debug Capture Verbose)
+      L.progress "@\n%s not found in changed-line map. Nothing else to do for it.@\n" fname ;
-        "@\n File name %s was not found in files_changed_line_map @\n" fname ;
       ProfilerSample.empty
 
 
-let read_changed_lines_file changed_lines_file =
+let relevant_tests = ref []
-  match Utils.read_file changed_lines_file with
-  | Ok cl_list ->
-      let changed_lines =
-        List.fold cl_list ~init:String.Map.empty ~f:(fun acc cl_item ->
-            let fname, cl = String.rsplit2_exn ~on:':' cl_item in
-            String.Map.set acc ~key:fname ~data:(FileDiff.parse_unix_diff cl) )
-      in
-      changed_lines
-  | Error _ ->
-      String.Map.empty
 
+let _get_relevant_test_to_run () = !relevant_tests
 
-let print_test_to_run test_to_run =
+let print_test_to_run () =
-  L.result "@\n [Result Test Determinator:] Test to run = [" ;
+  L.progress "@\n [TEST DETERMINATOR] Relevant Tests to run = [" ;
-  List.iter ~f:(L.result " %s ") test_to_run ;
+  List.iter ~f:(L.progress " %s ") !relevant_tests ;
-  L.result " ] @\n"
+  L.progress " ] @\n" ;
+  let json = `List (List.map ~f:(fun t -> `String t) !relevant_tests) in
+  Yojson.Basic.to_file (Config.results_dir ^/ "test_determinator.json") json
 
 
-let print_changed_lines changed_lines =
+let init_clang cfg changed_lines_file test_samples_file =
-  L.(debug Capture Verbose) "@\n Changed lines = {" ;
+  DiffLines.init_changed_lines_map changed_lines_file ;
-  String.Map.iteri changed_lines ~f:(fun ~key:k ~data:d ->
+  DiffLines.print_changed_lines () ;
-      L.(debug Capture Verbose) "\n     %s --> [" k ;
+  MethodRangeMap.create_clang_method_range_map cfg ;
-      List.iter d ~f:(L.(debug Capture Verbose) " %i ") ;
+  L.(debug Analysis Medium) "%a@\n" MethodRangeMap.pp_map () ;
-      L.(debug Capture Verbose) " ] " ) ;
+  TestSample.init_test_sample test_samples_file ;
-  L.(debug Capture Verbose) "@\n } @\n"
+  L.(debug Analysis Medium) "%a@\n" TestSample.pp_map () ;
+  initialized_test_determinator := true
+
+
+let init_java changed_lines_file test_samples_file code_graph_file =
+  DiffLines.init_changed_lines_map changed_lines_file ;
+  DiffLines.print_changed_lines () ;
+  MethodRangeMap.create_java_method_range_map code_graph_file ;
+  L.(debug Analysis Medium) "%a@\n" MethodRangeMap.pp_map () ;
+  TestSample.init_test_sample test_samples_file ;
+  L.(debug Analysis Medium) "%a@\n" TestSample.pp_map () ;
+  initialized_test_determinator := true
 
 
 (* test_to_run = { n | Affected_Method /\ ts_n != 0 } *)
-let test_to_run source_file cfg changed_lines_file test_samples_file =
+let _test_to_run_clang source_file cfg changed_lines_file test_samples_file =
-  L.(debug Capture Verbose) "@\n ***** Start Test Determinator ***** @\n" ;
+  L.progress "@\n ***** Start Test Determinator for  %s ***** @\n"
-  let fname = SourceFile.to_rel_path source_file in
+    (SourceFile.to_string source_file) ;
-  let changed_lines = read_changed_lines_file changed_lines_file in
+  if is_test_determinator_init () then () else init_clang cfg changed_lines_file test_samples_file ;
-  print_changed_lines changed_lines ;
+  let affected_methods =
-  let test_samples = JavaProfilerSamples.from_json_file test_samples_file in
+    compute_affected_methods_clang source_file (DiffLines.changed_lines_map ())
-  let affected_methods = compute_affected_methods fname cfg changed_lines in
+      (MethodRangeMap.method_range_map ())
+  in
+  let test_to_run =
+    if ProfilerSample.is_empty affected_methods then []
+    else
+      List.fold (TestSample.test_sample ()) ~init:[] ~f:(fun acc (label, profiler_samples) ->
+          let intersection = ProfilerSample.inter affected_methods profiler_samples in
+          if ProfilerSample.is_empty intersection then acc else label :: acc )
+  in
+  relevant_tests := List.append test_to_run !relevant_tests
+
+
+let test_to_run_java changed_lines_file test_samples_file code_graph_file =
+  L.progress "@\n ***** Start Test Determinator ***** @\n" ;
+  if is_test_determinator_init () then ()
+  else init_java changed_lines_file test_samples_file code_graph_file ;
+  let affected_methods =
+    compute_affected_methods_java (DiffLines.changed_lines_map ())
+      (MethodRangeMap.method_range_map ())
+  in
   let test_to_run =
-    List.fold test_samples ~init:[] ~f:(fun acc (label, profiler_samples) ->
+    if ProfilerSample.is_empty affected_methods then []
-        let intersection = ProfilerSample.inter affected_methods profiler_samples in
+    else
-        if ProfilerSample.is_empty intersection then acc else label :: acc )
+      List.fold (TestSample.test_sample ()) ~init:[] ~f:(fun acc (label, profiler_samples) ->
+          let intersection = ProfilerSample.inter affected_methods profiler_samples in
+          if ProfilerSample.is_empty intersection then acc else label :: acc )
   in
-  print_test_to_run test_to_run
+  relevant_tests := List.append test_to_run !relevant_tests

infer/src/java/testDeterminator.mli

@@ -7,4 +7,11 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *)
 
-val test_to_run : SourceFile.t -> Procdesc.t Typ.Procname.Hash.t -> string -> string -> unit
+val test_to_run_java : string option -> string option -> string option -> unit
+
+val _test_to_run_clang :
+  SourceFile.t -> Procdesc.t Typ.Procname.Hash.t -> string option -> string option -> unit
+
+val print_test_to_run : unit -> unit
+
+val _get_relevant_test_to_run : unit -> string list