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(devel/R-testthat) Update TEST_DEPENDS verison of diffviewer

Log message:
(devel/R-testthat) Updated 3.1.3 to 3.1.4

# testthat 3.1.4

* Minor tweaks to output for latest cli (#1606).

Log message:
(devel/R-testthat) Updated 3.0.4 to 3.1.3

# testthat 3.1.3

* Package that explicitly depend on rlang in their description file
  are now opting into a new snapshot display for errors, warnings, and
  messages. Previously this only concerned packages that explicitly
  depended on rlang >= 1.0.0. This display will eventually become the
  default for all packages.

  Changes include:

  - Condition classes are no longer included in the snapshot by
    default. This is to avoid snapshot noise when upstream code adds
    or changes a class. For instance, r-devel has added classes to
    base errors.

  - Warnings and errors are now printed with rlang, including the
    `call` field. This makes it easy to monitor the full appearance of
    warning and error messages as they are displayed to users.

    This change is part of a push towards mentioning the useful
    context of an error as part of messages, see the release notes of
    rlang 1.0.0 for more about this.

* Test results show hyperlinks to failed expectation when supported (#1544).

# testthat 3.1.2

* testthat now uses brio for all reading and writing (#1120). This
  ensures that snapshots always use "\n" to separate lines (#1516).

* `expect_snapshot()` no longer inadvertently trims trailing new lines off
  of errors and messages (#1509).

* If `expect_snapshot()` generates a snapshot with different value but
  still compares as equal (e.g. because you've set a numeric tolerance), the
  saved values no longer update if another snapshot in the same file changes.

* `expect_snapshot()` now only adds a `.new` file for the variants that
  actually changed, not all variants, while `expect_snapshot_file()` with
  variant with no longer immediately deletes `.new` files (#1468).

* `expect_snapshot_file()` gains a `transform` argument to match
  `expect_snapshot()` (#1474). `compare` now defaults to `NULL`, automatically
  guessing the comparison type based on the extension.

* `expect_snapshot_file()` now errors if the file being snapshot does not exist;
  `SnapshotReporter` also now treats the file directory as an absolute path
  (#1476, @malcolmbarrett)

* New `expect_snapshot_warning()` to match `expect_snapshot_error()` (#1532).

* `JUnitReporter` now includes skip messages/reasons (@rfineman, #1507)

* `local_reproducible_output()` gains a `lang` argument so that you can
  optionally override the language used to translate error messages (#1483).
  It also sets the global option `cli.num_colors` in addition to
  `crayon.enabled`.

* `test_that()` no longer inappropriately skips when calling `expect_equal()`
  when you've temporarily set the locale to non-UTF-8 (#1285).

* `skip_if_offline()` now automatically calls `skip_on_cran()` (#1479).

* `snapshot_accept()` and `snapshot_review()` now work with exactly the same
  file specification which can be a snapshot name, a file name, or a directory
  (#1546). They both work better with variants (#1508). Snapshot cleanup also
  removes all empty directories (#1457).

* When a snapshot changes the hint also mentions that you can use
  `snapshot_review()` (#1500, @DanChaltiel) and the message tells you what
  variant is active (#1540).
* JUnit reporter now includes skip messages/reasons (@rfineman, #1507).

# testthat 3.1.1

* Condition expectations like `expect_error()` now match across the
  ancestry of chained errors (#1493). You can disable this by setting
  the new `inherit` argument to `FALSE`.

* Added preliminary support for rlang 1.0 errors. It is disabled by
  default for the time being. To activate it, specify `rlang (>=
  1.0.0)` in your `DESCRIPTION` file (or `>= 0.99.0.9001` if you're
  using the dev version).

  Once activated, snapshots will now use rlang to print error and
  warning messages, including the `Error:` and `Warning:`
  prefixes. This means the `call` field of conditions is now displayed
  in snapshots if present. Parent error messages are also displayed.
  Following this change, all snapshots including error and warning
  messages need to be revalidated.

  We will enable the new rlang 1.0 output unconditionally in a future
  release.

* `expect_snapshot()` gains a new argument `cnd_class` to control
  whether to show the class of errors, warnings, and messages.

  The default is currently unchanged so that condition classes keep
  being included in snapshots. However, we plan to change the default
  to `FALSE` in an upcoming release to prevent distracting snapshot
  diffing as upstream packages add error classes. For instance, the
  development version of R is currently adding classes to basic
  errors, which causes spurious snapshot changes when testing against
  R-devel on CI.

  If you depend on rlang 1.0 (see above), the default is already set
  to `FALSE`.

* `expect_snapshot()` no longer processes rlang injection operators
  like `!!`.

* Fixed bug in expectations with long inputs that use `::` (#1472).

# testthat 3.1.0

## Snapshot tests

* `expect_snapshot()` is no longer experimental.

* `expect_snapshot()` and friends gets an experimental new `variant` argument
  which causes the snapshot to be saved in `_snaps/{variant}/{test}.md` instead
  of `_snaps/{test}.md`. This allows you to generate (and compare) unique
  snapshots for different scenarios like operating system or R version (#1143).

* `expect_snapshot()` gains a `transform` argument, which should be a function that
  takes a character vector of lines and returns a modified character vector
  of lines. This makes it easy to remove sensitive (e.g. API keys) or
  stochastic (e.g. random temporary directory names) from snapshot output
  (#1345).

* `expect_snapshot_file()` now replaces previous `.new` snapshot if code
  fails again with a different value.

* `expect_snapshot_value()` now has an explicit `tolerance` argument which
  uses the testthat default, thus making it more like `expect_equal()` rather
  than `expect_identical()`. Set it to `NULL` if you want precise comparisons
  (#1309). `expect_snapshot_value(style = "deparse")` now works with \ 
negative
  values (#1342).

* If a test containing multiple snapshots fails (or skips) in between snapshots,
  the later snapshots are now silently restored. (Previously this warned and
  reset all snapshots, not just later snapshots).

* If you have multiple tests with the same name that use snapshots (not a good
  idea), you will no longer get a warning. Instead the snapshots will be
  aggregated across the tests.

## Breaking changes

* Condition expectations now consistently return the expected
  condition instead of the return value (#1371). Previously, they
  would only return the condition if the return value was `NULL`,
  leading to inconsistent behaviour.

  This is a breaking change to the 3rd edition. Where you
  could previously do:

  ```
  expect_equal(expect_warning(f(), "warning"), "value")
  ```

  You must now use condition expectations on the outside:

  ```
  expect_warning(expect_equal(f(), "value"), "warning")

  # Equivalently, save the value before inspection
  expect_warning(value <- f(), "warning")
  expect_equal(value, "value")
  ```

  This breaking change makes testthat more consistent. It also makes
  it possible to inspect both the value and the warning, which would
  otherwise require additional tools.

## Minor improvements and bug fixes

* Errors in test blocks now display the call if stored in the condition object
  (#1418). Uncaught errors now show their class (#1426).

* Multi-line skips only show the first line in the skip summary.

* `expr_label()`, which is used to concisely describe expressions used in
  expectations, now does a better job of summarising infix function (#1442).

* `local_reproducible_output()` now sets the `max.print` option to 99999
  (the default), so your tests are unaffected by any changes you might've
  made in your `.Rprofile` (1367).

* `ProgressReporter` (the default only) now stops at the end of a file; this
  ensures that you see the results of all related tests, and ensures that
  snapshots are handled consistently (#1402).

* `ProgressReporter` now uses an env var to adjust the maximum number of
  failures. This makes it easier to adjust when the tests are run in a
  subprocess, as is common when using RStudio (#1450).

* `skip_on_os()` gains an `arch` argument so you can also choose to skip
  selected architectures (#1421).

* `test_that()` now correctly errors when an expectation fails when run
  interactively (#1430).

* `test_that()` now automatically and correctly generate an "empty test"
  skip if it only generates warnings or messages (and doesn't contain any
  expectations).

* `testthat_tolerance()` no longer has an unused argument.

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Log message:
(devel/R-testthat) Updated 3.0.1 to 3.0.2

# testthat 3.0.2

* Failing expectations now include a backtrace when they're not called directly
  from within `test_that()` but are instead wrapped in some helper function
  (#1307).

* `CheckReporter` now only records warnings when not on CRAN. Otherwise
  failed CRAN revdep checks tend to be cluttered up with warnings (#1300).
  It automatically cleans up `testthat-problems.rds` left over from previous
  runs if the latest run is succesful (#1314).

* `expect_s3_class()` and `expect_s4_class()` can now check that an object
  _isn't_ an S3 or S4 object by supplying `NA` to the second argument (#1321).

* `expect_s3_class()` and `expect_s4_class()` format class names in a less
  confusing way (#1322).

Log message:
(devel/R-testthat) Updated 3.0.0 to 3.0.1

# testthat 3.0.1

* New `testthat.progress.verbose_skips` option. Set to `FALSE` to stop
  reporting skips as they occur; they will still appear in the summary
  (#1209, @krlmlr).

* `CheckReporter` results have been tweaked based on experiences from running
  R CMD check on many packages. Hopefully it should now be easier to see
  the biggest problems (i.e. failures and errors) while still having
  skips and warnings available to check if needed (#1274). And now the full
  test name is always shown, no matter how long (#1268).

* Catch C++ tests are no longer reported multiple times (#1237) and
  are automatically skipped on Solaris since Catch is not supported (#1257).
  `use_catch()` makes it more clear that your package needs to suggest
  xml2 (#1235).

* `auto_test_package()` works once again (@mbojan, #1211, #1214).

* `expect_snapshot()` gains new `error` argument which controls whether or not
  an error is expected. If an unexpected error is thrown, or an expected error
  is not thrown, `expect_snapshot()` will fail (even on CRAN) (#1200).

* `expect_snapshot_value(style = "deparse")` handles more common R data
  structures.

* `expect_snapshot_value()` now passes `...` on to `waldo::compare()` (#1222).

* `expect_snapshot_file()` gives a hint as to next steps when a failure
  occurs in non-interactive environments (with help from @maelle, #1179).
  `expect_snapshot_*()` gives a more informative hint when you're running
  tests interactively (#1226).

* `expect_snapshot_*()` automatically removes the `_snaps` directory if
  it's empty (#1180). It also warns if snapshots are discarded because tests
  have duplicated names (#1278, @krlmlr).

* `local_reproducible_output()` now sets the LANGUAGE env var to "en". This
  matches the behaviour of R CMD check in interactive settings (#1213).
  It also now unsets RSTUDIO envvar, instead of setting it to 0 (#1225).

* `RstudioReporter` has been renamed to `RStudioReporter`.

* `skip_if_not()` no longer appends "is not TRUE" to custom messages
  (@dpprdan, #1247).

* `test_that()` now warns (3e only) if code doesn't have braces, since
  that makes it hard to track the source of an error (#1280, @krlmlr).

Log message:
(devel/R-testthat) Add R-lifecycle, R-jsonlite for DEPENDS

Log message:
(devel/R-testthat) Updated 2.3.2 to 3.0.0

# testthat 3.0.0

## 3rd edition

testhat 3.0.0 brings with it a 3rd edition that makes a number of breaking
changes in order to clean up the interface and help you use our latest
recommendations. To opt-in to the 3rd edition for your package, set
`Config/testthat/edition: 3` in your `DESCRIPTION` or use `local_edition(3)` in
individual tests. You can retrieve the active edition with `edition_get()`.
Learn more in `vignette("third-edition")`.

* `context()` is deprecated.

* `expect_identical()` and `expect_equal()` use `waldo::compare()` to
   compare actual and expected results. This mostly yields much more
   informative output when the actual and expected values are different,
   but while writing it uncovered some bugs in the existing comparison
   code.

* `expect_error()`, `expect_warning()`, `expect_message()`, and
  `expect_condition()` now all use the same underlying logic: they
  capture the first condition that matches `class`/`regexp` and
  allow anything else to bubble up (#998/#1052). They also warn if
  there are unexpected arguments that are never used.

* The `all` argument to `expect_message()` and `expect_warning()` is now
  deprecated. It was never a particularly good idea or well documented,
  and is now superseded by the new condition capturing behaviour.

* `expect_equivalent()`, `expect_reference()`, `expect_is()` and
  `expect_that()` are deprecated.

* Messages are no longer automatically silenced. Either use
  `suppressMessages()` to hide unimportant messages, or
  `expect_messsage()` to catch important messages (#1095).

* `setup()` and `teardown()` are deprecated in favour of test fixtures.
  See `vignette("test-fixtures")` for more details.

* `expect_known_output()`, `expect_known_value()`, `expect_known_hash()`,
  and `expect_equal_to_reference()` are all deprecated in favour of
  `expect_snapshot_output()` and `expect_snapshot_value()`.

* `test_that()` now sets a number of options and env vars to make output as
  reproducible as possible (#1044). Many of these options were previously
  set in various places (in `devtools::test()`, `test_dir()`, `test_file()`,
  or `verify_output()`) but they have now been centralised. You can use in
  your own code, or when debugging tests interactively with
  `local_test_context()`.

* `with_mock()` and `local_mock()` are deprecated; please use the mockr
  or mockery packages instead (#1099).

## Snapshot testing

New family of snapshot expectations (`expect_snapshot()`, \ 
`expect_snapshot_output()`, `expect_snapshot_error()`, and \ 
`expect_snapshot_value()`) provide "snapshot" tests, where the \ 
expected results are stored in separate files in `test/testthat/_snaps`. They're \ 
useful whenever it's painful to store expected results directly in the test \ 
files.

`expect_snapshot_file()` along with `snapshot_review()` help snapshot
more complex data, with initial support for text files, images, and data frames \ 
(#1050).

See `vignette("snapshotting")` for more details.

## Reporters

* `CheckReporter` (used inside R CMD check) now prints out all problems
  (i.e. errors, failures, warnings and skips; and not just the first 10),
  lists skips types, and records problems in machine readable format in
  `tests/testthat-problems.rds` (#1075).

* New `CompactProgressReporter` tweaks the output of `ProgressReporter` for
  use with a single file, as in `devtools::test_file()`. You can pick a
  different default by setting `testthat.default_compact_reporter` to
  the name of a reporter.

* `ProgressReporter` (the default reporter) now keeps the stack traces of
  an errors that happen before the before test, making problems substantially
  easier to track down (#1004). It checks if you've exceeded the maximum number
  of failures (from option `testthat.progress.max_fails`) after each
  expectation, rather than at the end of each file (#967). It also gains
  new random praise options that use emoji, and lists skipped tests by type
  (#1028).

* `StopReporter` adds random praise emoji when a single test passes (#1094).
  It has more refined display of failures, now using the same style
  as `CompactProgressReporter` and `ProgressReporter`.

* `SummaryReporter` now records file start, not just context start. This
  makes it more compatible with modern style which does not use `context()`
  (#1089).

* All reporters now use exactly the same format when reporting the location
  of an expectation.

* Warnings now include a backtrace, making it easier to figure
  out where they came from.

* Catch C++ tests now provide detailed results for each test.
  To upgrade existing code, re-run `testthat::use_catch()` (#1008).

## Fixures

* New `vignette("test-fixtures")` describes test fixtures; i.e. how to
  temporarily and cleanly change global state in order to test parts of
  your code that otherwise would be hard to run (#1042). `setup()` and
  `teardown()` are superseded in favour of test fixtures.

* New `teardown_env()` for use with `withr::defer()`. This allows you to
  run code after all other tests have been run.

## Skips

* New `vignette("skipping")` gives more general information on skipping
  tests, include some basics on testing skipping helpers (#1060).

* `ProgressReporter()` and `CheckReporter()` list the number of skipped tests
  by reason at the end of the reporter. This makes it easier to check that
  you're not skipping the wrong tests, particularly on CI services (#1028).

## Test running

* `test_that()` no longer triggers an error when run outside of tests;
  instead it produces a more informative summary of all failures, errors,
  warnings, and skips that occurred inside the test.

* `test_that()` now errors if `desc` is not a string (#1161).

* `test_file()` now runs helper, setup, and teardown code, and has the
  same arguments as `test_dir()` (#968). Long deprecated `encoding` argument
  has been removed.

* `test_dir()` now defaults `stop_on_failure` to `TRUE` for consistency with
  other `test_` functions. The `wrap` argument has been deprecated; it's not
  clear that it should ever have been exposed.

* New `test_local()` tests a local source package directory. It's equivalent
  to `devtools::test()` but doesn't require devtools and all its dependencies
  to be installed (#1030).

## Minor improvements and bug fixes

* testthat no longer supports tests stored in `inst/tests`. This has been
  deprecated since testthat 0.11.0 (released in 2015). `test_package()`
  (previously used for running tests in R CMD check) will fail silently
  if no tests are found to avoid breaking old packages on CRAN (#1149).

* `capture_output()` and `verify_output()` use a new `testthat_print()`
  generic. This allows you to control the printed representation of your
  object specifically for tests (i.e. if your usual print method shows
  data that varies in a way that you don't care about for tests) (#1056).

* `context_start_file()` is now exported for external reporters (#983, #1082).
  It now only strips first instance of prefix/suffix (#1041, @stufield).

* `expect_error()` no longer encourages you to use `class`. This advice
  one type of fragility at the expense of creating a different type (#1013).

* `expect_known_failure()` has been removed. As far as I can tell it was
  only ever used by testthat, and is rather fragile.

* `expect_true()`, `expect_false()`, and `expect_null()` now use waldo to
  produce more informative failures.

* `verify_output()` no longer always fails if output contains a carriage
  return character ("\r") (#1048). It uses the `pdf()` device instead of
  `png()` soit work on systems without X11 (#1011). And it uses
  `waldo::compare()` to give more informative failures.

Log message:
(devel/R-testthat) Update 2.3.1 to 2.3.2

# testthat 2.3.2

* Fix R CMD check issues