python: delete test for srcs version aspect

With the removal of Python 2 support, this aspect is no longer necessary.

PiperOrigin-RevId: 534166275
Change-Id: Id4fd2b1b3b646aeff237cad16274fb29df1b5d95
diff --git a/src/test/java/com/google/devtools/build/lib/rules/python/BUILD b/src/test/java/com/google/devtools/build/lib/rules/python/BUILD
index 59a5bf1..53b20d0 100644
--- a/src/test/java/com/google/devtools/build/lib/rules/python/BUILD
+++ b/src/test/java/com/google/devtools/build/lib/rules/python/BUILD
@@ -24,7 +24,6 @@
         ":PyStarlarkTransitionsTest",
         ":PyTestConfiguredTargetTest",
         ":PythonConfigurationTest",
-        ":PythonSrcsVersionAspectTest",
         ":PythonStarlarkApiTest",
         ":PythonToolchainTest",
         ":PythonVersionSelectTest",
@@ -164,22 +163,6 @@
 )
 
 java_test(
-    name = "PythonSrcsVersionAspectTest",
-    srcs = ["PythonSrcsVersionAspectTest.java"],
-    deps = [
-        ":PythonTestUtils",
-        "//src/main/java/com/google/devtools/build/lib/actions",
-        "//src/main/java/com/google/devtools/build/lib/actions:artifacts",
-        "//src/main/java/com/google/devtools/build/lib/analysis:analysis_cluster",
-        "//src/main/java/com/google/devtools/build/lib/analysis:configured_target",
-        "//src/test/java/com/google/devtools/build/lib/analysis/util",
-        "//src/test/java/com/google/devtools/build/lib/testutil:TestConstants",
-        "//third_party:junit4",
-        "//third_party:truth",
-    ],
-)
-
-java_test(
     name = "PythonToolchainTest",
     srcs = ["PythonToolchainTest.java"],
     deps = [
diff --git a/src/test/java/com/google/devtools/build/lib/rules/python/PythonSrcsVersionAspectTest.java b/src/test/java/com/google/devtools/build/lib/rules/python/PythonSrcsVersionAspectTest.java
deleted file mode 100644
index 1bc2f3e..0000000
--- a/src/test/java/com/google/devtools/build/lib/rules/python/PythonSrcsVersionAspectTest.java
+++ /dev/null
@@ -1,163 +0,0 @@
-// Copyright 2019 The Bazel Authors. All rights reserved.
-//
-// 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.
-
-package com.google.devtools.build.lib.rules.python;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import com.google.devtools.build.lib.actions.Action;
-import com.google.devtools.build.lib.actions.Artifact;
-import com.google.devtools.build.lib.analysis.ConfiguredTarget;
-import com.google.devtools.build.lib.analysis.actions.FileWriteAction;
-import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
-import com.google.devtools.build.lib.testutil.TestConstants;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
-
-/** Tests for {@code <tools repo>//tools/python:srcs_version.bzl%find_requirements}. */
-@RunWith(JUnit4.class)
-public class PythonSrcsVersionAspectTest extends BuildViewTestCase {
-
-  private static String join(String... args) {
-    return String.join("\n", args);
-  }
-
-  /**
-   * Returns the contents of the {@code -pyversioninfo.txt} file that would be produced by running
-   * the aspect on the given target.
-   */
-  private String evaluateAspectFor(String label) throws Exception {
-    scratch.file(
-        "asp/BUILD",
-        "load('" + TestConstants.TOOLS_REPOSITORY + "//tools/python:srcs_version.bzl', ",
-        "     'apply_find_requirements_for_testing')",
-        "apply_find_requirements_for_testing(",
-        "    name = 'asp',",
-        "    target = '" + label + "',",
-        "    out = 'out',",
-        ")");
-    ConfiguredTarget ct = getConfiguredTarget("//asp");
-    assertThat(ct).isNotNull();
-    Artifact out = getBinArtifact("out", ct);
-    Action action = getGeneratingAction(out);
-    assertThat(action).isInstanceOf(FileWriteAction.class);
-    return ((FileWriteAction) action).getFileContents();
-  }
-
-  @Test
-  public void noRequirements() throws Exception {
-    scratch.file(
-        "pkg/BUILD",
-        "py_library(",
-        "    name = 'lib',",
-        "    srcs = ['lib.py'],",
-        ")",
-        "py_binary(",
-        "    name = 'bin',",
-        "    srcs = ['bin.py'],",
-        "    deps = [':lib'],",
-        ")");
-    String result = evaluateAspectFor("//pkg:bin");
-    String golden =
-        join(
-            "Python 2-only deps:",
-            "<None>",
-            "",
-            "Python 3-only deps:",
-            "<None>",
-            "",
-            "Paths to these deps:",
-            "<None>",
-            "");
-    assertThat(result).isEqualTo(golden);
-  }
-
-  @Test
-  public void requirementNotPropagated() throws Exception {
-    // A <- B <- C <- bin, A introduces the requirement, but B doesn't propagate it.
-    // dummy_rule propagates sources but nothing else. It also has a srcs_version attr that is
-    // ignored because the provider field is false.
-    scratch.file(
-        "pkg/rules.bzl",
-        "def _dummy_rule_impl(ctx):",
-        "    info = PyInfo(",
-        "        transitive_sources = depset(",
-        "            transitive=[d[PyInfo].transitive_sources for d in ctx.attr.deps],",
-        "            order='postorder'))",
-        "    return [info]",
-        "dummy_rule = rule(",
-        "    implementation = _dummy_rule_impl,",
-        "    attrs = {",
-        "        'deps': attr.label_list(),",
-        "        'srcs_version': attr.string(),",
-        "    },",
-        ")");
-    scratch.file(
-        "pkg/BUILD",
-        "load(':rules.bzl', 'dummy_rule')",
-        "py_library(",
-        "    name = 'libA',",
-        "    srcs = ['libA.py'],",
-        "    srcs_version = 'PY3ONLY',",
-        ")",
-        "dummy_rule(",
-        "    name = 'libB',",
-        "    deps = [':libA'],",
-        "    srcs_version = 'PY3ONLY',",
-        ")",
-        "py_binary(",
-        "    name = 'bin',",
-        "    srcs = ['bin.py'],",
-        "    deps = [':libB'],",
-        ")");
-    String result = evaluateAspectFor("//pkg:bin");
-    String golden =
-        join(
-            "Python 2-only deps:",
-            "<None>",
-            "",
-            "Python 3-only deps:",
-            "<None>",
-            "",
-            "Paths to these deps:",
-            "<None>",
-            "");
-    assertThat(result).isEqualTo(golden);
-  }
-
-  @Test
-  public void toleratesTargetsWithoutDepsAttr() throws Exception {
-    scratch.file(
-        "pkg/rules.bzl",
-        "def _dummy_rule_impl(ctx):",
-        "    info = PyInfo(transitive_sources = depset([]))",
-        "    return [info]",
-        "dummy_rule = rule(",
-        "    implementation = _dummy_rule_impl,",
-        ")");
-    scratch.file(
-        "pkg/BUILD",
-        "load(':rules.bzl', 'dummy_rule')",
-        "dummy_rule(",
-        "    name = 'lib',",
-        ")",
-        "py_binary(",
-        "    name = 'bin',",
-        "    srcs = ['bin.py'],",
-        "    deps = [':lib'],",
-        ")");
-    evaluateAspectFor("//pkg:bin");
-  }
-}