Address review.

java/ql/integration-tests/all-platforms/kotlin/annotation-id-consistency/test.py

@@ -1,8 +1,4 @@
-import os
-
-
 def test(codeql, java_full):
-    os.mkdir("out")
     codeql.database.create(
-        command=["kotlinc test.kt -d out", "javac User.java -cp out", "kotlinc ktUser.kt -cp out"]
+        command=["kotlinc test.kt -d out", "javac User.java -cp out -d out2", "kotlinc ktUser.kt -cp out -d out2"]
     )

java/ql/integration-tests/all-platforms/kotlin/enabling/test.py

@@ -14,10 +14,6 @@ def build():
 
 
 def test(codeql, java_full, build):
-    for var in [
-        "CODEQL_EXTRACTOR_JAVA_AGENT_ENABLE_KOTLIN",
-        "CODEQL_EXTRACTOR_JAVA_AGENT_DISABLE_KOTLIN",
-    ]:
-        if var in os.environ:
-            del os.environ[var]
+    os.environ.pop("CODEQL_EXTRACTOR_JAVA_AGENT_ENABLE_KOTLIN", None)
+    os.environ.pop("CODEQL_EXTRACTOR_JAVA_AGENT_DISABLE_KOTLIN", None)
     codeql.database.create(command=build)

java/ql/integration-tests/all-platforms/kotlin/enhanced-nullability/test.py

@@ -1,9 +1,11 @@
-def test(codeql, java_full, cwd):
-    java_srcs = [str(s) for s in cwd.glob('*.java')]
+import pathlib
 
+
+def test(codeql, java_full):
+    java_srcs = " ".join([str(s) for s in pathlib.Path().glob("*.java")])
     codeql.database.create(
         command=[
-            f"javac {' '.join(java_srcs)} -d {cwd / 'build'}",
+            f"javac {java_srcs} -d build",
             "kotlinc -language-version 1.9 user.kt -cp build",
         ]
     )

java/ql/integration-tests/all-platforms/kotlin/java_modifiers/test.py

@@ -1,10 +1,11 @@
 import commands
+import pathlib
 
 
-def test(codeql, java_full, cwd):
+def test(codeql, java_full):
     # Compile Java untraced. Note the Java source is hidden under `javasrc` so the Kotlin compiler
     # will certainly reference the jar, not the source or class file for extlib.Lib
-    java_srcs = (cwd / "libsrc" / "extlib").glob("*.java")
+    java_srcs = pathlib.Path("libsrc", "extlib").glob("*.java")
     commands.run(["javac", *java_srcs, "-d", "build"])
     commands.run("jar cf extlib.jar -C build extlib")
     codeql.database.create(command="kotlinc test.kt -cp extlib.jar")

java/ql/integration-tests/all-platforms/kotlin/kotlin_file_import/test.py

@@ -1,10 +1,11 @@
 import commands
+import pathlib
 
 
-def test(codeql, java_full, cwd):
+def test(codeql, java_full):
     # Compile library Kotlin file untraced. Note the library is hidden under `libsrc` so the Kotlin compiler
     # will certainly reference the jar, not the source or class file.
-    commands.run(["kotlinc", *(cwd / "libsrc").glob("*.kt"), "-d", "build"])
+    commands.run(["kotlinc", *pathlib.Path("libsrc").glob("*.kt"), "-d", "build"])
     commands.run(
         ["jar", "cf", "extlib.jar", "-C", "build", "abcdefghij", "-C", "build", "META-INF"]
     )

java/ql/integration-tests/all-platforms/kotlin/logs/logs.expected

@@ -1,18 +1,6 @@
-Test script
-Log file
-1
-CodeQL Kotlin extractor
-INFO
-Extraction started
-CodeQL Kotlin extractor
-INFO
-Extraction for invocation TRAP file <FILENAME>
-CodeQL Kotlin extractor
-INFO
-Kotlin version <VERSION>
-CodeQL Kotlin extractor
-INFO
-Extracting file test.kt
-CodeQL Kotlin extractor
-INFO
-Extraction completed
+Log file 1
+{"origin": "CodeQL Kotlin extractor", "kind": "INFO", "message": "Extraction started"}
+{"origin": "CodeQL Kotlin extractor", "kind": "INFO", "message": "Extraction for invocation TRAP file <FILENAME>"}
+{"origin": "CodeQL Kotlin extractor", "kind": "INFO", "message": "Kotlin version <VERSION>"}
+{"origin": "CodeQL Kotlin extractor", "kind": "INFO", "message": "Extracting file test.kt"}
+{"origin": "CodeQL Kotlin extractor", "kind": "INFO", "message": "Extraction completed"}

java/ql/integration-tests/all-platforms/kotlin/logs/test.py

@@ -10,12 +10,11 @@ def test(codeql, java_full, cwd: pathlib.Path, expected_files):
 
     with open("logs.actual", "w") as f_out:
         log_dir = cwd / "test-db" / "log"
-        file_index = 0
-        for log_file in log_dir.glob("kotlin-extractor*.log"):
-            file_index += 1
-            f_out.write(f"Test script\nLog file\n{file_index}\n")
+        for file_index, log_file in enumerate(log_dir.glob("kotlin-extractor*.log"), 1):
+            f_out.write(f"Log file {file_index}\n")
             for line in log_file.read_text().splitlines():
                 j = json.loads(line)
+                del j["timestamp"]
                 msg = j["message"]
                 msg = re.sub(
                     r"(?<=Extraction for invocation TRAP file ).*[\\/]test-db[\\/]trap[\\/]java[\\/]invocations[\\/]kotlin\..*\.trap",
@@ -36,4 +35,5 @@ def test(codeql, java_full, cwd: pathlib.Path, expected_files):
                 ):
                     # These vary between machines etc, and aren't very interesting, so just ignore them
                     continue
-                f_out.write(f"{j['origin']}\n{j['kind']}\n{msg}\n")
+                j["message"] = msg
+                print(json.dumps(j), file=f_out)

java/ql/integration-tests/all-platforms/kotlin/trap_compression/test.py

@@ -4,9 +4,6 @@ import os
 
 def check_extensions(directory, counts):
     if runs_on.windows:
-        # It's important that the path is a Unicode path on Windows, so
-        # that the right system calls get used.
-        directory = "" + directory
         if not directory.startswith("\\\\?\\"):
             directory = "\\\\?\\" + os.path.abspath(directory)