FlutterTrends.dev
⌘K
Sponsored by- The #1 Flutter-powered AI app builder
Home/Top/Testing/matcher

matcher

Published by 🇺🇸dart.dev · v0.12.20 · released 4 months ago · BSD-3-CLAUSE License

First published 12 years ago.

Support for specifying test expectations via an extensible Matcher class. Also includes a number of built-in Matcher implementations for common cases.

View on pub.dev View source
Part of dart-lang/test (7 packages) #4 in Testing #31 overall androidioswindowslinuxmacosweb
Downloads / day
355,964
as of 2026-09-14
GitHub stars
536
★ refreshed weekly
Likes
68
on pub.dev
Pub points
150 / 160
2026-08-15 2026-09-14

Repository health

Shared with 6 sibling packages in this repo.

Last commit
16 days ago
Issue response
Maintainer replies within ~2 days (median over 21 closed issues)
Commit activity
Open issues
288
Open PRs
22
Contributors
99 (top contributor 27%)
CI
GitHub Actions
Sibling packages: test_api, test, fake_async, test_descriptor, test_process, checks

Last refreshed 14 days ago.

Commit activity, past 52 weeks

matcher

107 commits in the past year
Accelerating +200% vs 9 months ago
10 5 0 52w ago36w ago18w agothis week
Weekly average
2 commits
Busiest week
8 commits, 14 weeks ago
Active weeks
39 of 52 (75%)
Longest quiet stretch
3 weeks with no commits

Weekly commits to the default branch on GitHub. Source: GET /stats/participation. Refreshed weekly. Excludes commits to other branches.

How matcher compares in Testing

Top of the Testing leaderboard, with matcher highlighted.

Rank Package Downloads / day Stars Likes
#1
test_api
🇺🇸 tools.dart.dev
405.5K ★ 536 24
#2
coverage
🇺🇸 tools.dart.dev
391.6K ★ 113 132
#3
test
🇺🇸 dart.dev
379.6K ★ 536 626
#4
matcher
🇺🇸 dart.dev
356K ★ 536 68
#5
fake_async
🇺🇸 dart.dev
258.4K ★ 536 122

Compare matcher with

Head-to-head breakdowns against the other top Testing packages.