| // Copyright 2018 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 org.junit.Test; |
| |
| /** Tests that are common to {@code py_binary} and {@code py_test}. */ |
| public abstract class PyExecutableConfiguredTargetTestBase extends PyBaseConfiguredTargetTestBase { |
| |
| private final String ruleName; |
| |
| protected PyExecutableConfiguredTargetTestBase(String ruleName) { |
| super(ruleName); |
| this.ruleName = ruleName; |
| } |
| |
| @Test |
| public void unknownDefaultPythonVersionValue() throws Exception { |
| checkError("pkg", "foo", |
| // error: |
| "invalid value in 'default_python_version' attribute: " |
| + "has to be one of 'PY2' or 'PY3' instead of 'doesnotexist'", |
| // build file: |
| ruleName + "(", |
| " name = 'foo',", |
| " default_python_version = 'doesnotexist',", |
| " srcs = ['foo.py'])"); |
| } |
| |
| @Test |
| public void badDefaultPythonVersionValue() throws Exception { |
| checkError("pkg", "foo", |
| // error: |
| "invalid value in 'default_python_version' attribute: " |
| + "has to be one of 'PY2' or 'PY3' instead of 'PY2AND3'", |
| // build file: |
| ruleName + "(", |
| " name = 'foo',", |
| " default_python_version = 'PY2AND3',", |
| " srcs = ['foo.py'])"); |
| } |
| |
| @Test |
| public void goodDefaultPythonVersionValue() throws Exception { |
| scratch.file("foo/BUILD", |
| ruleName + "(", |
| " name = 'foo',", |
| " default_python_version = 'PY2',", |
| " srcs = ['foo.py'])"); |
| getConfiguredTarget("//foo:foo"); |
| assertNoEvents(); |
| } |
| |
| @Test |
| public void versionIs3WhenSetByDefaultPythonVersion() throws Exception { |
| scratch.file("foo/BUILD", |
| ruleName + "(", |
| " name = 'foo',", |
| " srcs = ['foo.py'],", |
| " default_python_version = 'PY3')"); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo"))).isEqualTo(PythonVersion.PY3); |
| } |
| |
| @Test |
| public void versionIs2WhenSetByDefaultPythonVersion() throws Exception { |
| scratch.file("foo/BUILD", |
| ruleName + "(", |
| " name = 'foo',", |
| " srcs = ['foo.py'],", |
| " default_python_version = 'PY2')"); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo"))).isEqualTo(PythonVersion.PY2); |
| } |
| |
| @Test |
| public void canBuildTwoTargetsSpecifyingDifferentVersions() throws Exception { |
| scratch.file("foo/BUILD", |
| ruleName + "(", |
| " name = 'foo_v2',", |
| " srcs = ['foo_v2.py'],", |
| " default_python_version = 'PY2')", |
| ruleName + "(", |
| " name = 'foo_v3',", |
| " srcs = ['foo_v3.py'],", |
| " default_python_version = 'PY3')"); |
| |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo_v2"))).isEqualTo(PythonVersion.PY2); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo_v3"))).isEqualTo(PythonVersion.PY3); |
| } |
| |
| @Test |
| public void flagOverridesDefaultPythonVersionFrom2To3() throws Exception { |
| useConfiguration("--force_python=PY3"); |
| scratch.file("foo/BUILD", |
| ruleName + "(", |
| " name = 'foo',", |
| " srcs = ['foo.py'],", |
| " default_python_version = 'PY2')"); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo"))).isEqualTo(PythonVersion.PY3); |
| } |
| |
| @Test |
| public void flagOverridesDefaultPythonVersionFrom3To2() throws Exception { |
| useConfiguration("--force_python=PY2"); |
| scratch.file("foo/BUILD", |
| ruleName + "(", |
| " name = 'foo',", |
| " srcs = ['foo.py'],", |
| " default_python_version = 'PY3')"); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo"))).isEqualTo(PythonVersion.PY2); |
| } |
| |
| @Test |
| public void canBuildTwoTargetsSpecifyingDifferentVersions_ForcedTo2() throws Exception { |
| useConfiguration("--force_python=PY2"); |
| scratch.file("foo/BUILD", |
| ruleName + "(", |
| " name = 'foo_v2',", |
| " srcs = ['foo_v2.py'],", |
| " default_python_version = 'PY2')", |
| ruleName + "(", |
| " name = 'foo_v3',", |
| " srcs = ['foo_v3.py'],", |
| " default_python_version = 'PY3')"); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo_v2"))).isEqualTo(PythonVersion.PY2); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo_v3"))).isEqualTo(PythonVersion.PY2); |
| } |
| |
| @Test |
| public void canBuildTwoTargetsSpecifyingDifferentVersions_ForcedTo3() throws Exception { |
| useConfiguration("--force_python=PY3"); |
| scratch.file("foo/BUILD", |
| ruleName + "(", |
| " name = 'foo_v2',", |
| " srcs = ['foo_v2.py'],", |
| " default_python_version = 'PY2')", |
| ruleName + "(", |
| " name = 'foo_v3',", |
| " srcs = ['foo_v3.py'],", |
| " default_python_version = 'PY3')"); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo_v2"))).isEqualTo(PythonVersion.PY3); |
| assertThat(getPythonVersion(getConfiguredTarget("//foo:foo_v3"))).isEqualTo(PythonVersion.PY3); |
| } |
| |
| @Test |
| public void srcsVersionClashesWithDefaultVersionAttr() throws Exception { |
| checkError("pkg", "foo", |
| // error: |
| "'//pkg:foo' can only be used with Python 2", |
| // build file: |
| ruleName + "(", |
| " name = 'foo',", |
| " srcs = [':foo.py'],", |
| " srcs_version = 'PY2ONLY',", |
| " default_python_version = 'PY3')"); |
| } |
| |
| @Test |
| public void srcsVersionClashesWithDefaultVersionAttr_Implicitly() throws Exception { |
| // Canary assertion: This'll fail when we flip the default to PY3. At that point change this |
| // test to use srcs_version = 'PY2ONLY' instead. |
| assertThat(PythonVersion.getDefaultTargetValue()).isEqualTo(PythonVersion.PY2); |
| |
| // Fails because default_python_version is PY2 by default, so the config is set to PY2 |
| // regardless of srcs_version. |
| checkError("pkg", "foo", |
| // error: |
| "'//pkg:foo' can only be used with Python 3", |
| // build file: |
| ruleName + "(", |
| " name = 'foo',", |
| " srcs = [':foo.py'],", |
| " srcs_version = 'PY3ONLY')"); |
| } |
| } |