src/test/java/com/google/devtools/build/lib/buildtool/KeepGoingTest.java - bazel - Git at Google

 // Copyright 2021 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.buildtool;

 // For debugging, uncomment these and the call to setupLogging() below.
 //
 // import com.google.devtools.build.lib.blaze.BlazeRuntime;
 // import java.util.logging.Level;

 import static com.google.common.collect.Iterables.getOnlyElement;
 import static com.google.common.truth.Truth.assertThat;
 import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.fail;

 import com.google.devtools.build.lib.actions.Artifact;
 import com.google.devtools.build.lib.actions.BuildFailedException;
 import com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase;
 import com.google.devtools.build.lib.events.Event;
 import java.io.IOException;
 import java.util.Iterator;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;

 /** A test of the semantics of the keepGoing flag: continue as much as possible after an error. */
 @RunWith(JUnit4.class)
 public class KeepGoingTest extends BuildIntegrationTestCase {

   @Before
   public final void addOptions() {
     addOptions("--keep_going");
   }

   private static String genrule(String name, String deps, int succeeds) {
     String out = name + ".out";
     String cmd = (succeeds != 0) ? "cp $(location in) $(location " + out + ")" : "exit 42";
     return "genrule(name='"
         + name
         + "', "
         + "           srcs=['in',"
         + deps
         + "], "
         + "           outs=['"
         + out
         + "'], "
         + "           cmd='"
         + cmd
         + "')\n";
   }

   private static final int A = 0x01;
   private static final int B = 0x02;
   private static final int C = 0x04;
   private static final int D = 0x08;
   private static final int E = 0x10;

   private static final String[] labels = {
     "//keepgoing:A", "//keepgoing:B", "//keepgoing:C", "//keepgoing:D", "//keepgoing:E"
   };

   // "mask" is a bitmask of rules that succeed.
   private void writeFiles(int mask) throws IOException {
     // A --> B --> C
     // |     +---> D
     // |
     // +---> E
     write(
         "keepgoing/BUILD",
         genrule("A", "'B','E'", mask & A)
             + genrule("B", "'C','D'", mask & B)
             + genrule("C", "", mask & C)
             + genrule("D", "", mask & D)
             + genrule("E", "", mask & E));

     write("keepgoing/in", "(input)");
   }

   // "mask" is a bitmask of rules that succeed.
   private void assertBuilt(int mask) throws Exception {
     for (int ii = 0; ii < labels.length; ii++) {
       assertOneBuilt(labels[ii], (mask & (1 << ii)) != 0);
     }
   }

   private void assertOneBuilt(String label, boolean shouldBeBuilt) throws Exception {
     Iterable<Artifact> files = getArtifacts(label);
     for (Artifact file : files) {
       boolean isActuallyBuilt = file.getPath().exists();
       if (file.getPath().exists() != shouldBeBuilt) {
         fail(
             file.prettyPrint()
                 + ": shouldBeBuilt="
                 + shouldBeBuilt
                 + ", isActuallyBuilt="
                 + isActuallyBuilt);
       }
     }
   }

   private void assertNoMoreEvents(Iterator<Event> events) {
     boolean ok = true;
     while (events.hasNext()) {
       System.err.println(events.next());
       ok = false;
     }
     assertThat(ok).isTrue();
   }

   // Build //keepgoing:A, expecting failure.  (The BuildResult instance is
   // subsequently available via getRequest() for later assertions.)
   private void buildA() throws Exception {
     BuildFailedException e =
         assertThrows(BuildFailedException.class, () -> buildTarget("//keepgoing:A"));
     assertThat(e).hasMessageThat().isNull();
   }

   /********************************************************************
    *                                                                  *
    *                         Actual tests...                          *
    *                                                                  *
    ********************************************************************/

   @Test
   public void testKeepGoingAfterCFails() throws Exception {
     // C fails due to error (logged).
     // B fails due to failed prereqs (logged).
     // A fails due to failed prereqs (logged).
     // D and E are built.
     // Then a BuildFailedException is thrown.
     writeFiles(A | B | D | E);
     buildA();

     Iterator<Event> errors = events.errors().iterator();
     assertThat(errors.next().getMessage())
         .containsMatch("Executing genrule //keepgoing:C failed: .*Exit 42.*");
     assertNoMoreEvents(errors);

     assertBuilt(D | E);
   }

   @Test
   public void testKeepGoingAfterDFails() throws Exception {
     // D fails due to error (logged).
     // B fails due to failed prereqs (logged).
     // A fails due to failed prereqs (logged).
     // C and E are built.
     // Then a BuildFailedException is thrown.
     writeFiles(A | B | C | E);
     buildA();

     Iterator<Event> errors = events.errors().iterator();
     assertThat(errors.next().getMessage())
         .containsMatch("Executing genrule //keepgoing:D failed: .*Exit 42.*");
     assertNoMoreEvents(errors);

     assertBuilt(C | E);
   }

   @Test
   public void testKeepGoingAfterCAndDFail() throws Exception {
     // C and D fail due to error (logged).
     // B fails due to failed prereqs (logged).
     // A fails due to failed prereqs (logged).
     // E is built.
     // Then a BuildFailedException is thrown.
     writeFiles(A | B | E);
     buildA();

     // C, D events are unordered:
     Iterator<Event> errors = events.errors().iterator();
     assertThat(errors.next().getMessage())
         .containsMatch("Executing genrule //keepgoing:(C|D) failed: .*Exit 42.*");
     assertThat(errors.next().getMessage())
         .containsMatch("Executing genrule //keepgoing:(C|D) failed: .*Exit 42.*");

     assertNoMoreEvents(errors);

     assertBuilt(E);
   }

   @Test
   public void testKeepGoingAfterEFails() throws Exception {
     // E fails due to error (logged).
     // A fails due to failed prereqs (logged).
     // B,C,D  are built.
     // Then a BuildFailedException is thrown.
     writeFiles(A | B | C | D);
     buildA();

     Iterator<Event> errors = events.errors().iterator();
     assertThat(errors.next().getMessage())
         .containsMatch("Executing genrule //keepgoing:E failed: .*Exit 42.*");
     assertNoMoreEvents(errors);

     assertBuilt(B | C | D);
   }

   // Regression test for b/8826301, incremental builder does not correctly set root actions.
   // Check that keep going works on second build. Note that this test failed non-deterministically
   // in b/8826301, because it depended on HashSet iteration order.
   @Test
   public void testKeepGoingOnSecondBuild() throws Exception {
     StringBuilder buildFile = new StringBuilder();
     buildFile
         .append("genrule(name='topgen', tools=[':badgen'], outs=['top.out'], ")
         .append("cmd='touch $@')\n")
         .append("genrule(name='badgen', executable=1, srcs=['badsrc.sh'], ")
         .append("outs=['bad.out'], cmd='bash $< >  $@', tools = [");
     // Make graph large so incremental dependency checker does graph culling, if enabled.
     for (int i = 0; i < 60; i++) {
       buildFile.append("':gen" + i + "', ");
     }
     buildFile.append("])\n");
     for (int i = 0; i < 60; i++) {
       buildFile
           .append("genrule(name='gen")
           .append(i)
           .append("', " + "outs=['gen")
           .append(i)
           .append(".out'], executable=1, cmd = 'echo \"#!/bin/true\" > $@')\n");
     }
     write("keepgoing/BUILD", buildFile.toString());
     write("keepgoing/badsrc.sh", "exit 0");
     buildTarget("//keepgoing:topgen");
     write("keepgoing/badsrc.sh", "exit 42");
     events.clear();
     BuildFailedException e =
         assertThrows(BuildFailedException.class, () -> buildTarget("//keepgoing:topgen"));
     assertThat(e).hasMessageThat().isNull();
     Iterator<Event> errors = events.errors().iterator();
     assertThat(errors.next().getMessage())
         .containsMatch("Executing genrule //keepgoing:badgen.* failed: .*Exit 42.*");
     assertNoMoreEvents(errors);
   }

   @Test
   public void testConfigurationErrorsAreToleratedWithKeepGoing() throws Exception {
     runtimeWrapper.addOptions("--experimental_builtins_injection_override=+cc_library");
     write("a/BUILD", "cc_library(name='a', srcs=['missing.foo'])");
     write("b/BUILD", "cc_library(name='b')");

     /**
      * Regression coverage for bug 1191396: "blaze build -k exits zero if execution succeeds, even
      * if there were analysis errors".
      */
     assertBuildFailedExceptionFromBuilding(
         "command succeeded, but not all targets were analyzed", "//a", "//b");
     events.assertContainsError(
         "in srcs attribute of cc_library rule @@//a:a: source file '@@//a:missing.foo' is misplaced"
             + " here");
     events.assertContainsInfo("Analysis succeeded for only 1 of 2 top-level targets");

     assertSameConfiguredTarget("//b:b");
   }

   @Test
   public void testKeepGoingAfterLoadingPhaseErrors() throws Exception {
     write("a/BUILD", "cc_library(name='a')");
     write("b/BUILD", "cc_library(name='b', deps = ['//missing:lib'])");

     assertBuildFailedExceptionFromBuilding(
         "command succeeded, but not all targets were analyzed", "//a", "//b"); //
     events.assertContainsError("no such package 'missing': BUILD file not found in any of the");

     assertSameConfiguredTarget("//a:a");
     events.assertContainsInfo(" succeeded for only 1 of ");
   }

   @Test
   public void testKeepGoingAfterTargetParsingErrors() throws Exception {
     write("a/BUILD", "cc_library(name='a', xyz)");
     write("b/BUILD", "cc_library(name='b', xyz)");
     write("b/b1/BUILD", "cc_library(name='b1')");
     write("b/b2/BUILD", "cc_library(name='b2', xyz)");

     assertBuildFailedExceptionFromBuilding(
         "command succeeded, but there were errors parsing the target pattern", "b/...", "//a");
     events.assertContainsWarning("Target pattern parsing failed.");

     assertSameConfiguredTarget("//b/b1");
   }

   @Test
   public void testKeepGoingAfterSchedulingDependencyMiddlemanFailure() throws Exception {
     write("foo/foo.cc", "int main() { return 0; }");
     write(
         "foo/BUILD",
         "cc_binary(name='foo', srcs=['foo.cc', 'gen.h'], malloc='system_malloc')",
         "cc_library(name='system_malloc', linkstatic=1)",
         "genrule(name='gen', srcs=[], outs=['gen.h'], cmd = 'exit 1')");

     assertThrows(BuildFailedException.class, () -> buildTarget("//foo:foo"));
   }

   private void assertSameConfiguredTarget(String label) throws Exception {
     assertThat(getOnlyElement(getResult().getSuccessfulTargets()))
         .isSameInstanceAs(getConfiguredTarget(label));
   }

   @Test
   public void testKeepGoingAfterAnalysisFailure() throws Exception {
     write(
         "analysiserror/failer.bzl",
         "def _failer_impl(ctx):",
         "  fail('BOOM!')",
         "",
         "failer = rule(implementation = _failer_impl)");
     write(
         "analysiserror/BUILD",
         "load(':failer.bzl', 'failer')",
         "genrule(name='gen', srcs=[], outs=['gen.h'], cmd='exit 1')",
         // The next line has an analysis failure: the xmb_lint rule is devoid of xmb files.
         "failer(name='foo')",
         "cc_library(name='bar')");

     assertBuildFailedExceptionFromBuilding(
         "command succeeded, but not all targets were analyzed",
         "//analysiserror:foo",
         "//analysiserror:bar");
     events.assertContainsError("Error in fail: BOOM!");

     assertSameConfiguredTarget("//analysiserror:bar");
   }

   private void assertBuildFailedExceptionFromBuilding(String msg, String... targets) {
     BuildFailedException e = assertThrows(BuildFailedException.class, () -> buildTarget(targets));
     assertThat(e).hasMessageThat().isEqualTo(msg);
     assertThat(getResult().getSuccess()).isFalse();
   }
 }
	// Copyright 2021 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.buildtool;

	// For debugging, uncomment these and the call to setupLogging() below.
	//
	// import com.google.devtools.build.lib.blaze.BlazeRuntime;
	// import java.util.logging.Level;

	import static com.google.common.collect.Iterables.getOnlyElement;
	import static com.google.common.truth.Truth.assertThat;
	import static org.junit.Assert.assertThrows;
	import static org.junit.Assert.fail;

	import com.google.devtools.build.lib.actions.Artifact;
	import com.google.devtools.build.lib.actions.BuildFailedException;
	import com.google.devtools.build.lib.buildtool.util.BuildIntegrationTestCase;
	import com.google.devtools.build.lib.events.Event;
	import java.io.IOException;
	import java.util.Iterator;
	import org.junit.Before;
	import org.junit.Test;
	import org.junit.runner.RunWith;
	import org.junit.runners.JUnit4;

	/** A test of the semantics of the keepGoing flag: continue as much as possible after an error. */
	@RunWith(JUnit4.class)
	public class KeepGoingTest extends BuildIntegrationTestCase {

	@Before
	public final void addOptions() {
	addOptions("--keep_going");
	}

	private static String genrule(String name, String deps, int succeeds) {
	String out = name + ".out";
	String cmd = (succeeds != 0) ? "cp $(location in) $(location " + out + ")" : "exit 42";
	return "genrule(name='"
	+ name
	+ "', "
	+ " srcs=['in',"
	+ deps
	+ "], "
	+ " outs=['"
	+ out
	+ "'], "
	+ " cmd='"
	+ cmd
	+ "')\n";
	}

	private static final int A = 0x01;
	private static final int B = 0x02;
	private static final int C = 0x04;
	private static final int D = 0x08;
	private static final int E = 0x10;

	private static final String[] labels = {
	"//keepgoing:A", "//keepgoing:B", "//keepgoing:C", "//keepgoing:D", "//keepgoing:E"
	};

	// "mask" is a bitmask of rules that succeed.
	private void writeFiles(int mask) throws IOException {
	// A --> B --> C
	// \| +---> D
	// \|
	// +---> E
	write(
	"keepgoing/BUILD",
	genrule("A", "'B','E'", mask & A)
	+ genrule("B", "'C','D'", mask & B)
	+ genrule("C", "", mask & C)
	+ genrule("D", "", mask & D)
	+ genrule("E", "", mask & E));

	write("keepgoing/in", "(input)");
	}

	// "mask" is a bitmask of rules that succeed.
	private void assertBuilt(int mask) throws Exception {
	for (int ii = 0; ii < labels.length; ii++) {
	assertOneBuilt(labels[ii], (mask & (1 << ii)) != 0);
	}
	}

	private void assertOneBuilt(String label, boolean shouldBeBuilt) throws Exception {
	Iterable<Artifact> files = getArtifacts(label);
	for (Artifact file : files) {
	boolean isActuallyBuilt = file.getPath().exists();
	if (file.getPath().exists() != shouldBeBuilt) {
	fail(
	file.prettyPrint()
	+ ": shouldBeBuilt="
	+ shouldBeBuilt
	+ ", isActuallyBuilt="
	+ isActuallyBuilt);
	}
	}
	}

	private void assertNoMoreEvents(Iterator<Event> events) {
	boolean ok = true;
	while (events.hasNext()) {
	System.err.println(events.next());
	ok = false;
	}
	assertThat(ok).isTrue();
	}

	// Build //keepgoing:A, expecting failure. (The BuildResult instance is
	// subsequently available via getRequest() for later assertions.)
	private void buildA() throws Exception {
	BuildFailedException e =
	assertThrows(BuildFailedException.class, () -> buildTarget("//keepgoing:A"));
	assertThat(e).hasMessageThat().isNull();
	}

	/********************************************************************
	* *
	* Actual tests... *
	* *
	********************************************************************/

	@Test
	public void testKeepGoingAfterCFails() throws Exception {
	// C fails due to error (logged).
	// B fails due to failed prereqs (logged).
	// A fails due to failed prereqs (logged).
	// D and E are built.
	// Then a BuildFailedException is thrown.
	writeFiles(A \| B \| D \| E);
	buildA();

	Iterator<Event> errors = events.errors().iterator();
	assertThat(errors.next().getMessage())
	.containsMatch("Executing genrule //keepgoing:C failed: .Exit 42.");
	assertNoMoreEvents(errors);

	assertBuilt(D \| E);
	}

	@Test
	public void testKeepGoingAfterDFails() throws Exception {
	// D fails due to error (logged).
	// B fails due to failed prereqs (logged).
	// A fails due to failed prereqs (logged).
	// C and E are built.
	// Then a BuildFailedException is thrown.
	writeFiles(A \| B \| C \| E);
	buildA();

	Iterator<Event> errors = events.errors().iterator();
	assertThat(errors.next().getMessage())
	.containsMatch("Executing genrule //keepgoing:D failed: .Exit 42.");
	assertNoMoreEvents(errors);

	assertBuilt(C \| E);
	}

	@Test
	public void testKeepGoingAfterCAndDFail() throws Exception {
	// C and D fail due to error (logged).
	// B fails due to failed prereqs (logged).
	// A fails due to failed prereqs (logged).
	// E is built.
	// Then a BuildFailedException is thrown.
	writeFiles(A \| B \| E);
	buildA();

	// C, D events are unordered:
	Iterator<Event> errors = events.errors().iterator();
	assertThat(errors.next().getMessage())
	.containsMatch("Executing genrule //keepgoing:(C\|D) failed: .Exit 42.");
	assertThat(errors.next().getMessage())
	.containsMatch("Executing genrule //keepgoing:(C\|D) failed: .Exit 42.");

	assertNoMoreEvents(errors);

	assertBuilt(E);
	}

	@Test
	public void testKeepGoingAfterEFails() throws Exception {
	// E fails due to error (logged).
	// A fails due to failed prereqs (logged).
	// B,C,D are built.
	// Then a BuildFailedException is thrown.
	writeFiles(A \| B \| C \| D);
	buildA();

	Iterator<Event> errors = events.errors().iterator();
	assertThat(errors.next().getMessage())
	.containsMatch("Executing genrule //keepgoing:E failed: .Exit 42.");
	assertNoMoreEvents(errors);

	assertBuilt(B \| C \| D);
	}

	// Regression test for b/8826301, incremental builder does not correctly set root actions.
	// Check that keep going works on second build. Note that this test failed non-deterministically
	// in b/8826301, because it depended on HashSet iteration order.
	@Test
	public void testKeepGoingOnSecondBuild() throws Exception {
	StringBuilder buildFile = new StringBuilder();
	buildFile
	.append("genrule(name='topgen', tools=[':badgen'], outs=['top.out'], ")
	.append("cmd='touch $@')\n")
	.append("genrule(name='badgen', executable=1, srcs=['badsrc.sh'], ")
	.append("outs=['bad.out'], cmd='bash $< > $@', tools = [");
	// Make graph large so incremental dependency checker does graph culling, if enabled.
	for (int i = 0; i < 60; i++) {
	buildFile.append("':gen" + i + "', ");
	}
	buildFile.append("])\n");
	for (int i = 0; i < 60; i++) {
	buildFile
	.append("genrule(name='gen")
	.append(i)
	.append("', " + "outs=['gen")
	.append(i)
	.append(".out'], executable=1, cmd = 'echo \"#!/bin/true\" > $@')\n");
	}
	write("keepgoing/BUILD", buildFile.toString());
	write("keepgoing/badsrc.sh", "exit 0");
	buildTarget("//keepgoing:topgen");
	write("keepgoing/badsrc.sh", "exit 42");
	events.clear();
	BuildFailedException e =
	assertThrows(BuildFailedException.class, () -> buildTarget("//keepgoing:topgen"));
	assertThat(e).hasMessageThat().isNull();
	Iterator<Event> errors = events.errors().iterator();
	assertThat(errors.next().getMessage())
	.containsMatch("Executing genrule //keepgoing:badgen.* failed: .Exit 42.");
	assertNoMoreEvents(errors);
	}

	@Test
	public void testConfigurationErrorsAreToleratedWithKeepGoing() throws Exception {
	runtimeWrapper.addOptions("--experimental_builtins_injection_override=+cc_library");
	write("a/BUILD", "cc_library(name='a', srcs=['missing.foo'])");
	write("b/BUILD", "cc_library(name='b')");

	/**
	* Regression coverage for bug 1191396: "blaze build -k exits zero if execution succeeds, even
	* if there were analysis errors".
	*/
	assertBuildFailedExceptionFromBuilding(
	"command succeeded, but not all targets were analyzed", "//a", "//b");
	events.assertContainsError(
	"in srcs attribute of cc_library rule @@//a:a: source file '@@//a:missing.foo' is misplaced"
	+ " here");
	events.assertContainsInfo("Analysis succeeded for only 1 of 2 top-level targets");

	assertSameConfiguredTarget("//b:b");
	}

	@Test
	public void testKeepGoingAfterLoadingPhaseErrors() throws Exception {
	write("a/BUILD", "cc_library(name='a')");
	write("b/BUILD", "cc_library(name='b', deps = ['//missing:lib'])");

	assertBuildFailedExceptionFromBuilding(
	"command succeeded, but not all targets were analyzed", "//a", "//b"); //
	events.assertContainsError("no such package 'missing': BUILD file not found in any of the");

	assertSameConfiguredTarget("//a:a");
	events.assertContainsInfo(" succeeded for only 1 of ");
	}

	@Test
	public void testKeepGoingAfterTargetParsingErrors() throws Exception {
	write("a/BUILD", "cc_library(name='a', xyz)");
	write("b/BUILD", "cc_library(name='b', xyz)");
	write("b/b1/BUILD", "cc_library(name='b1')");
	write("b/b2/BUILD", "cc_library(name='b2', xyz)");

	assertBuildFailedExceptionFromBuilding(
	"command succeeded, but there were errors parsing the target pattern", "b/...", "//a");
	events.assertContainsWarning("Target pattern parsing failed.");

	assertSameConfiguredTarget("//b/b1");
	}

	@Test
	public void testKeepGoingAfterSchedulingDependencyMiddlemanFailure() throws Exception {
	write("foo/foo.cc", "int main() { return 0; }");
	write(
	"foo/BUILD",
	"cc_binary(name='foo', srcs=['foo.cc', 'gen.h'], malloc='system_malloc')",
	"cc_library(name='system_malloc', linkstatic=1)",
	"genrule(name='gen', srcs=[], outs=['gen.h'], cmd = 'exit 1')");

	assertThrows(BuildFailedException.class, () -> buildTarget("//foo:foo"));
	}

	private void assertSameConfiguredTarget(String label) throws Exception {
	assertThat(getOnlyElement(getResult().getSuccessfulTargets()))
	.isSameInstanceAs(getConfiguredTarget(label));
	}

	@Test
	public void testKeepGoingAfterAnalysisFailure() throws Exception {
	write(
	"analysiserror/failer.bzl",
	"def _failer_impl(ctx):",
	" fail('BOOM!')",
	"",
	"failer = rule(implementation = _failer_impl)");
	write(
	"analysiserror/BUILD",
	"load(':failer.bzl', 'failer')",
	"genrule(name='gen', srcs=[], outs=['gen.h'], cmd='exit 1')",
	// The next line has an analysis failure: the xmb_lint rule is devoid of xmb files.
	"failer(name='foo')",
	"cc_library(name='bar')");

	assertBuildFailedExceptionFromBuilding(
	"command succeeded, but not all targets were analyzed",
	"//analysiserror:foo",
	"//analysiserror:bar");
	events.assertContainsError("Error in fail: BOOM!");

	assertSameConfiguredTarget("//analysiserror:bar");
	}

	private void assertBuildFailedExceptionFromBuilding(String msg, String... targets) {
	BuildFailedException e = assertThrows(BuildFailedException.class, () -> buildTarget(targets));
	assertThat(e).hasMessageThat().isEqualTo(msg);
	assertThat(getResult().getSuccess()).isFalse();
	}
	}