coverage changelog | Dart package

1.15.0 #

Expose filterIgnored function, which filters the coverage data according to // coverage:ignore-... comments. Previously this filtering functionality was only available when loading coverage data from json using parseJson etc.

1.14.1 #

Remove dependency on package:pubspec_parse.
Silence a rare error that can occur when trying to resume the main isolate because the VM service has already shut down. This was responsible for a ~0.1% flakiness, and is safe to ignore.

1.14.0 #

Require Dart ^3.6.0
Partial support for workspace packages in test_wth_coverage.
Deprecate test_wth_coverage's --package-name flag, because it doesn't make sense for workspaces.
Change the default --port to 0, allowing the VM to choose a free port.

1.13.1 #

Fix a bug where the VM service can be shut down while some coverage collections are still happening.

1.13.0 #

Introduced support for minimum coverage thresholds using --fail-under flag in format_coverage.
Fix a bug where we attempt to resume an isolate after the VM service has been shut down.

1.12.0 #

Introduced support for specifying coverage flags through a YAML file.
Fix a bug where coverage collection could hang forever if the package under test used background isolates that were never shut down.

1.11.1 #

Update package:vm_service constraints to '>=12.0.0 <16.0.0'.

1.11.0 #

Fix a bug where the tool would occasionally try to resume an isolate after the VM service had been disposed.

1.10.0 #

Fix a bug where tests involving multiple isolates never finish.

1.9.2 #

Fix repository link in pubspec.

1.9.1 #

Remove outdated VM service version checks.
Move to dart-lang/tools.

1.9.0 #

Require Dart ^3.4
Fix bug where some ranges were able to bypass the --scope-output filters.
Add --ignore-files option allowing to exclude files from coverage reports using glob patterns

1.8.0 #

Copy collect_coverage's --scope-output flag to test_with_coverage.

1.7.2 #

Update package:vm_service constraints to '>=12.0.0 <15.0.0'.

1.7.1 #

Update package:vm_service constraints to '>=12.0.0 <14.0.0'.

1.7.0 #

Require Dart 3.0.0
Update package:vm_service constraints to '^12.0.0'.
Add coverableLineCache parameter to collect. This allows the set of coverable lines to be cached between calls to collect, avoiding the need to force compile the same libraries repeatedly. This is only useful when running multiple coverage collections over the same libraries.

1.6.4 #

allow omitting space between // and coverage in coverage ignore comments
allow text after coverage ignore comments
throw FormatException when encountering unbalanced ignore comments instead of silently erroring
Update package:vm_service constraints to '>= 9.4.0 <12.0.0'.

1.6.3 #

Require Dart 2.18
Update package:vm_service constraints to '>=9.4.0 <12.0.0'.

1.6.2 #

Update package:vm_service constraints to '>=9.4.0 <11.0.0'.

1.6.1 #

Handle SentinelExceptions thrown by vm_service.

1.6.0 #

Update to vm_service 9.4.0.
Use IsolateRef.isolateGroupId to speed up coverage collection.
Ignore uncoverable abstract methods.
Fix bug where 'ingore-line' comments etc are applied even if they're inside string literals.
Change the LICENSE file to the standard Dart BSD license.

1.5.0 #

Support passing extra arguments to test_with_coverage which are then passed to package:test.

Example: dart run coverage:test_with_coverage -- --preset CI

1.4.0 #

Added HitMap.parseJsonSync which takes a cache of ignored lines which can speedup calls when checkIgnoredLines is true and the function is called several times with overlapping files in the input json.
Bump the version of vm_service to 9.0.0.

1.3.2 #

Fix test_with_coverage listening to an unsupported signal on windows.
Fix --reportOn on windows using incorrect path separators.

1.3.1 #

Fix running dart pub global run coverage:test_with_coverage or dart run coverage:test_with_coverage

1.3.0 #

Bump the minimum Dart SDK version to 2.15.0
Add a --package flag, which takes the package's root directory, instead of the .package file. Deprecate the --packages flag.
Deprecate the packagesPath parameter and add packagePath instead, in HitMap.parseJson, HitMap.parseFiles, createHitmap, and parseCoverage.
Add a new executable to the package, test_with_coverage. This simplifies the most common use case of coverage, running all the tests for a package, and generating an lcov.info file.
Use the libraryFilters option in getSourceReport to speed up coverage runs that use scopedOutput.

1.2.0 #

Support branch level coverage information, when running tests in the Dart VM. This is not supported for web tests yet.
Add flag --branch-coverage (abbr -b) to collect_coverage that collects branch coverage information. The VM must also be run with the --branch-coverage flag.
Add flag --pretty-print-branch to format_coverage that works similarly to pretty print, but outputs branch level coverage, rather than line level.
Update --lcov (abbr -l) in format_coverage to output branch level coverage, in addition to line level.
Add an optional bool flag to collect that controls whether branch coverage is collected.
Add a branchHits field to HitMap.
Add support for scraping the service URI from the new Dart VM service message.
Correctly parse package_config files on Windows when the root URI is relative.

1.1.0 #

Support function level coverage information, when running tests in the Dart VM. This is not supported for web tests yet.
Add flag --function-coverage (abbr -f) to collect_coverage that collects function coverage information.
Add flag --pretty-print-func (abbr -f) to format_coverage that works similarly to pretty print, but outputs function level coverage, rather than line level.
Update --lcov (abbr -l) in format_coverage to output function level coverage, in addition to line level.
Add an optional bool flag to collect that controls whether function coverage is collected.
Added HitMap.parseJson, FileHitMaps.merge, HitMap.parseFiles, HitMap.toJson, FileHitMapsFormatter.formatLcov, and FileHitMapsFormatter.prettyPrint that switch from using Map<int, int> to represent line coverage to using HitMap (which contains both line and function coverage). Document the old versions of these functions as deprecated. We will delete the old functions when we update to coverage version 2.0.0.
Ensure createHitmap returns a sorted hitmap. This fixes a potential issue with ignore line annotations.
Use the reportLines flag in vm_service's getSourceReport RPC. This typically halves the number of RPCs that the coverage collector needs to run.
Require Dart >=2.14.0

1.0.4 #

Updated dependency on vm_service package from >=6.1.0 <8.0.0to >=8.1.0 <9.0.0.

1.0.3 #

Updated dependency on vm_service package from ^6.1.0 to >=6.1.0 <8.0.0.

1.0.2 #

Fix an issue where the --packages argument wasn't passed to format_coverage.

1.0.1 #

Allow the chrome sourceUriProvider to return null.

1.0.0 #

Migrate to null safety.
Removed support for SDK 1.x.x.

0.15.2 #

Update args, logging, and package_config deps to allow the latest stable releases.

0.15.1 #

Updated dependency on vm_service package from >=1.0.0 < 5.0.0 to >=1.0.0 <7.0.0.

0.15.0 #

BREAKING CHANGE: Eliminate the --package-root option from bin/run_and_collect.dart and bin/format_coverage.dart as well as from runAndCollect and the Resolver constructor.

0.14.2 #

Fix an issue where --wait-paused with collect would attempt to collect coverage if no isolates have started.

0.14.1 #

Updated dependency on vm_service package from >=1.0.0 < 5.0.0 to >=1.0.0 <6.0.0.

0.14.0 #

Add flag --check-ignore that is used to ignore lines from coverage depending on the comments.

Use // coverage:ignore-line to ignore one line. Use // coverage:ignore-start and // coverage:ignore-end to ignore range of lines inclusive. Use // coverage:ignore-file to ignore the whole file.

0.13.11 #

Revert breaking change in 13.10

0.13.10 #

Add flag --check-ignore that is used to ignore lines from coverage depending on the comments.

Use // coverage:ignore-line to ignore one line. Use // coverage:ignore-start and // coverage:ignore-end to ignore range of lines inclusive. Use // coverage:ignore-file to ignore the whole file.

0.13.9 #

Don't crash on empty JSON input files.
Loosen the dependency on the vm_service package from >=1.0.0 <4.0.0 to >=1.0.0 <5.0.0.

0.13.8 #

Update to package_config 1.9.0 which supports package_config.json files and should be forwards compatible with 2.0.0.
Deprecate the packageRoot argument on Resolver.

0.13.7 #

Loosen the dependency on the vm_service package from >=1.0.0 <3.0.0 to >=1.0.0 <4.0.0.

0.13.6 #

Now consider all .json files for the format_coverage command.

0.13.5 #

Update parseChromeCoverage to merge coverage information for a given line.
Handle source map parse errors in parseChromeCoverage. Coverage will not be considered for Dart files that have corresponding invalid source maps.

0.13.4 #

Add parseChromeCoverage for creating a Dart based coverage report from a Chrome coverage report.

0.13.3+3 - 2019-12-03 #

Re-loosen the dependency on the vm_service package from >=1.0.0 < 2.1.2 to >=1.0.0 <3.0.0 now that breakage introduced in version 2.1.2 has been resolved. Fixed in: https://github.com/dart-lang/sdk/commit/7a911ce3f1e945f2cbd1967c6109127e3acbab5a.

0.13.3+2 - 2019-12-02 #

Tighten the dependency on the vm_service package from >=1.0.0 <3.0.0 down to >=1.0.0 <2.1.2 in order to exclude version 2.1.2 which is broken on the current stable Dart VM due to a missing SDK constraint in its pubspec.yaml. The breakage was introduced in: https://github.com/dart-lang/sdk/commit/9e636b5ab4de850fb19bc262e0686fdf14bfbfc0.

0.13.3+1 - 2019-10-10 #

Loosen the dependency on the vm_service package from ^1.0.0 to >=1.0.0 <3.0.0. Ensures dependency version range compatibility with the latest versions of package test.

0.13.3 #

Adds a new named argument to collect to filter coverage results by a set of VM isolate IDs.
Migrates implementation of VM service protocol library from package:vm_service_lib, which is no longer maintained, to package:vm_service, which is.

0.13.2 #

Add new multi-flag option --scope-output which restricts coverage output so that only scripts that start with the provided path are considered.

0.13.1 #

Handle scenario where the VM returns empty coverage information for a range.

0.13.0 #

BREAKING CHANGE: Skips collecting coverage for dart: libraries by default, which provides a significant performance boost. To restore the previous behaviour and collect coverage for these libraries, use the --include-dart flag.
Disables WebSocket compression for coverage collection. Since almost all coverage collection runs happen over the loopback interface to localhost, this improves performance and reduces CPU usage.
Migrates implementation of VM service protocol library from package:vm_service_client, which is no longer maintained, to package:vm_service_lib, which is.

0.12.4 #

collect() now immediately throws ArgumentError if a null URI is passed in the serviceUri parameter to avoid a less-easily debuggable null dereference later. See dart-lang/coverage#240 for details.

0.12.3 #

Fixed dart-lang/coverage#194. During collection, we now track each script by its (unique) VMScriptRef. This ensures we look up the correct script when computing the affected line for each hit token. The hitmap remains URI based, since in the end, we want a single, unified set of line to hitCount mappings per script.

0.12.2 #

Dart SDK upper bound raised to <3.0.0.

0.12.1 #

Minor type, dartfmt fixes.
Require package:args >= 1.4.0.

0.12.0 #

BREAKING CHANGE: This version requires Dart SDK 2.0.0-dev.64.1 or later.
Strong mode fixes as of Dart SDK 2.0.0-dev.64.1.

0.11.0 #

BREAKING CHANGE: This version requires Dart SDK 2.0.0-dev.30 or later.
Updated to Dart 2.0 constants from dart:convert.

0.10.0 #

BREAKING CHANGE: createHitmap and mergeHitmaps now specify generic types (Map<String, Map<int, int>>) on their hit map parameter/return value.
Updated package:args dependency to 1.0.0.

0.9.3 #

Strong mode fixes as of Dart SDK 1.24.0.
Restrict the SDK lower version constraint to >=1.21.0. Required for method generics.
Eliminate dependency on package:async.

0.9.2 #

Strong mode fixes as of Dart SDK 1.22.0.

0.9.1 #

Temporarily add back support for the --host and --port options to collect_coverage. This is a temporary measure for backwards-compatibility that may stop working on Dart SDKs >= 1.22. See the related breaking change note for the Dart VM service protocol.

0.9.0 #

BREAKING CHANGE: collect no longer supports the host and port parameters. These are replaced with a serviceUri parameter. As of Dart SDK 1.22, the Dart VM will emit Observatory URIs that include an authentication token for security reasons. Automated tools will need to scrape stdout for this URI and pass it to collect_coverage.
BREAKING CHANGE: collect_coverage: the --host and --port options have been replaced with a --uri option. See the above change for details.
BREAKING CHANGE: runAndCollect now defaults to running in checked mode.
Added extractObservatoryUri: scrapes an input string for an Observatory URI. Potentially useful for automated tooling after Dart SDK 1.22.

0.8.1 #

Added optional checked parameter to runAndCollect to run in checked mode.

0.8.0+2 #

Strong mode fixes as of Dart SDK 1.20.1.

0.8.0+1 #

Make strong mode clean.

0.8.0 #

Moved Formatter.format parameters reportOn and basePath to constructor. Eliminated pathFilter parameter.

0.7.9 #

format_coverage: add --base-directory option. Source paths in LCOV/pretty-print output are relative to this directory, or absolute if unspecified.

0.7.8 #

format_coverage: support --packages option for package specs.

0.7.7 #

Add fallback URI resolution for Bazel http(s) URIs that don't contain a packages path component.

0.7.6 #

Add Bazel support to format_coverage.

0.7.5 #

Bugfix in collect_coverage: prevent hang if initial VM service connection is slow.
Workaround for VM behaviour in which evaluate:source ranges may appear in the returned source report manifesting in a crash in collect_coverage. These generally correspond to source evaluations in the debugger and add little value to line coverage.
format_coverage: may be slower for large sets of coverage JSON input files. Unlikely to be an issue due to elimination of --coverage-dir VM flag.

0.7.4 #

Require at least Dart SDK 1.16.0.
Bugfix in format_coverage: if --report-on is not specified, emit all coverage, rather than none.

0.7.3 #

Added support for the latest Dart SDK.

0.7.2 #

Formatter.format added two optional arguments: reportOn and pathFilter. They can be used independently to limit the files which are included in the output.
Added runAndCollect API to library.

0.7.1 #

Added collect top-level method.
Updated support for latest 0.11.0 dev build.
Replaced ServiceEvent.eventType with ServiceEvent.kind.
- ServiceEvent.eventType is deprecated and will be removed in 0.8.

0.7.0 #

format_coverage no longer emits SDK coverage unless --sdk-root is set explicitly.
Removed support for collecting coverage from old (<1.9.0) Dart SDKs.
Removed deprecated Resolver.pkgRoot.

0.6.5 #

Fixed early collection bug when --wait-paused is set.

0.6.4 #

Optimized formatters and fixed return value of format methods.
Added Resolver.packageRoot – deprecated Resolver.pkgRoot.

0.6.3 #

Support the latest release of args package.
Support the latest release of logging package.
Fixed error when trying to access invalid paths.
Require at least Dart SDK v1.9.0.

0.6.2 #

Support observatory protocol changes for VM >= 1.11.0.

0.6.1 #

Support observatory protocol changes for VM >= 1.10.0.

0.6.0+1 #

Add support for pub global run.

0.6.0 #

Add support for SDK versions >= 1.9.0. For Dartium/content-shell versions past 1.9.0, coverage collection is no longer done over the remote debugging port, but via the observatory port emitted on stdout. Backward compatibility with SDKs back to 1.5.x is provided.

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