Update dependency com.google.truth:truth to v1.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.truth:truth	1.2.0 -> 1.4.0

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Release Notes

google/truth (com.google.truth:truth)

v1.4.0: 1.4.0

In this release, our assertions on Java 8 types continue to move from the Truth8 class to the main Truth class. This change should not break compatibility for any supported JDK or Android version, even users who test under old versions of Android without API desugaring. Additionally, we will never break binary compatibility, though some users will have to make changes to their source code in order for it to compile against newer versions.

This release is likely to lead to more build failures than 1.3.0 did. However, those failures should be straightforward to fix.

Example build failure

Foo.java:152: error: reference to assertThat is ambiguous
    assertThat(repo.findFileWithName("foo")).isNull();
    ^
  both method assertThat(@​org.jspecify.nullness.Nullable Path) in Truth8 and method assertThat(@​org.jspecify.nullness.Nullable Path) in Truth match

Simplest upgrade strategy (if you can update all your code atomically in the same commit as the Truth upgrade)

In the same commit:

1. Upgrade Truth to 1.4.0.
2. Replace import static com.google.common.truth.Truth8.assertThat; with import static com.google.common.truth.Truth.assertThat;.
   • If you use Kotlin, replace import com.google.common.truth.Truth8.assertThat with import com.google.common.truth.Truth.assertThat.
3. Replace import com.google.common.truth.Truth8; with import com.google.common.truth.Truth;.
   • again, similarly for Kotlin if needed
4. Replace remaining references to Truth8 with references to Truth.
   • For example, replace Truth8.assertThat(optional).isPresent() with Truth.assertThat(optional).isPresent().

If you're feeling lucky, you can try this one-liner for the code updates:

git grep -l Truth8 | xargs perl -pi -e 's/import static com.google.common.truth.Truth8.assertThat;/import static com.google.common.truth.Truth.assertThat;/g; s/import com.google.common.truth.Truth8.assertThat/import com.google.common.truth.Truth.assertThat/g; s/import com.google.common.truth.Truth8/import com.google.common.truth.Truth/g; s/\bTruth8[.]/Truth./g;'

After that process, it is possible that you'll still see build errors from ambiguous usages of assertThat static imports. If so, you can find a workaround in the section about overload ambiguity in the release notes for 1.3.0. Alternatively, you can wait to upgrade until after a future Truth release, which will eliminate the ambiguity by changing the signatures of some Truth.assertThat overloads.

Incremental upgrade strategy

If you have a very large repo or you have other reasons to prefer to upgrade incrementally, you can use the approach that we used inside Google. Roughly, that approach was:

1. Make the optional changes discussed in the release notes for 1.3.0.
2. For any remaining calls to Truth8.assertThat, change them to avoid static import.
   • That is, replace assertThat(optional).isPresent() with Truth8.assertThat(optional).isPresent().
3. Upgrade Truth to 1.4.0.
4. Optionally replace references to Truth8 with references to Truth (including restoring static imports if desired), as discussed in section about the simple upgrade strategy above.

Optional additional changes

• If you use assertWithMessage(...).about(intStreams()).that(...), expect.about(optionalLongs()).that(...), or similar, you can remove your call to about. This change will never be necessary; it is just a simplification.
  • This is similar to a previous optional change from 1.3.0, except that 1.3.0 solved this problem for streams and optionals, whereas 1.4.0 solves it for the other Truth8 types.

For help

Please feel welcome to open an issue to report problems or request help.

Changelog

• Added the remaining Truth8.assertThat overloads to the main Truth class. (9be8e77, 1f81827)
• Added more that overloads to make it possible to write type-specific assertions when using the remaining Java 8 types. (7c65fc6)

v1.3.0: 1.3.0

In this release, our assertions on Java 8 types begin to move from the truth-java8-extensions artifact and the Truth8 class to the main truth artifact and the Truth class. This change should not break compatibility for anyone, even users who test under old versions of Android without API desugaring. Additionally, we will never break binary compatibility, though some users will have to make changes to their source code in order for it to compile against newer versions.

This change will be routine for most users, but we're providing as much information as we can for any users who do encounter problems.

We will post fuller instructions for migration later on, once we've learned more from our internal migration efforts. For now, you may find that you need to make one kind of change, and you may elect to make others. (If we missed anything, please open an issue to report problems or request help.)

The change you might need to make:

• By adding new overloads of Truth.assertThat, we cause some code to fail to compile because of an overload ambiguity. This is rare, but it can happen if you static import both Truth.assertThat and some other assertThat method that includes overloads for Optional or Stream. (It does not happen for Truth8.assertThat, though, except with the Eclipse compiler. Nor it does necessarily happen for other assertThat(Stream) and assertThat(Optional) methods.) If this happens to you, you'll need to remove one of the static imports, changing the corresponding call sites from "assertThat" to "FooSubject.assertThat."
  • Alternatively, you may choose to wait until we make further changes to the new Truth.assertThat overloads. Once we make those further changes, you may be able to simultaneously replace all your imports of Truth8.assertThat with imports of Truth.assertThat as you upgrade to the new version, likely without introducing overload ambiguities.

The changes you might elect to make:

• If you use Truth8.assertThat(Stream) or Truth8.assertThat(Optional), you can migrate to the new overloads in Truth. If you static import Truth8.assertThat, you can usually make this change simply by replacing that static import with a static import of Truth.assertThat—or, if you already have an import of Truth.assertThat, by just removing the import of Truth8.assertThat. (If you additionally use less common assertion methods, like assertThat(OptionalInt), you'll want to use both imports for now. Later, we'll move assertThat(OptionalInt) and friends, too.) We recommend making this change now, since your calls to Truth8.assertThat will fail to compile against some future version of Truth, unless you plan to wait to update your Truth dependency until we've made all our changes for Java 8 types.

• If you use assertWithMessage(...).about(streams()).that(...), expect.about(optionals()).that(...), or similar, you can remove your call to about. This change will never be necessary; it is just a simplification.

• If you depend on truth-java8-extension, you may remove it. All its classes are now part of the main truth artifact. This change, too, is not necessary; it is just a simplification. (OK, if your build system has a concept of strict deps, there is a chance that you'll need to add deps on truth to replace your deps on truth-java8-extension.)

Finally, the changelog for this release:

• Made StreamSubject avoid collecting the Stream until necessary, and made its isEqualTo and isNotEqualTo methods no longer always throw. (f8ecaec)
• Added assertThat overloads for Optional and Stream to the main Truth class. (37fd8be)
• Added that overloads to make it possible to write type-specific assertions when using expect.that(optional) and expect.that(stream). (ca7e8f4)
• Moved the truth-java8-extension classes into the main truth artifact. There is no longer any need to depend on truth-java8-extension, which is now empty. (We've also removed the Truth8 GWT module.) (eb0426e)

Again, if you have any problems, please let us know.

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