cops_minitest.adoc in rubocop-minitest-0.18.0

- old
+ new

@@ -260,21 +260,23 @@
 | 0.1
 | -
 |===
 
 This cop enforces the test to use `assert_nil` instead of using
-`assert_equal(nil, something)` or `assert(something.nil?)`.
+`assert_equal(nil, something)`, `assert(something.nil?)`, or `assert_predicate(something, :nil?)`.
 
 === Examples
 
 [source,ruby]
 ----
 # bad
 assert_equal(nil, actual)
 assert_equal(nil, actual, 'message')
 assert(object.nil?)
 assert(object.nil?, 'message')
+assert_predicate(object, :nil?)
+assert_predicate(object, :nil?, 'message')
 
 # good
 assert_nil(actual)
 assert_nil(actual, 'message')
 ----
@@ -345,10 +347,42 @@
 
 === References
 
 * https://minitest.rubystyle.guide/#assert-path-exists
 
+== Minitest/AssertPredicate
+
+|===
+| Enabled by default | Safe | Supports autocorrection | Version Added | Version Changed
+
+| Pending
+| Yes
+| Yes
+| 0.18
+| -
+|===
+
+This cop enforces the test to use `assert_predicate`
+instead of using `assert(obj.a_predicate_method?)`.
+
+=== Examples
+
+[source,ruby]
+----
+# bad
+assert(obj.one?)
+assert(obj.one?, 'message')
+
+# good
+assert_predicate(obj, :one?)
+assert_predicate(obj, :one?, 'message')
+----
+
+=== References
+
+* https://minitest.rubystyle.guide/#assert-predicate
+
 == Minitest/AssertRespondTo
 
 |===
 | Enabled by default | Safe | Supports autocorrection | Version Added | Version Changed
 
@@ -1023,21 +1057,23 @@
 | 0.2
 | -
 |===
 
 This cop enforces the test to use `refute_nil` instead of using
-`refute_equal(nil, something)` or `refute(something.nil?)`.
+`refute_equal(nil, something)`, `refute(something.nil?)`, or `refute_predicate(something, :nil?)`.
 
 === Examples
 
 [source,ruby]
 ----
 # bad
 refute_equal(nil, actual)
 refute_equal(nil, actual, 'message')
 refute(actual.nil?)
 refute(actual.nil?, 'message')
+refute_predicate(object, :nil?)
+refute_predicate(object, :nil?, 'message')
 
 # good
 refute_nil(actual)
 refute_nil(actual, 'message')
 ----
@@ -1075,9 +1111,41 @@
 ----
 
 === References
 
 * https://minitest.rubystyle.guide/#refute-path-exists
+
+== Minitest/RefutePredicate
+
+|===
+| Enabled by default | Safe | Supports autocorrection | Version Added | Version Changed
+
+| Pending
+| Yes
+| Yes
+| 0.18
+| -
+|===
+
+This cop enforces the test to use `refute_predicate`
+instead of using `refute(obj.a_predicate_method?)`.
+
+=== Examples
+
+[source,ruby]
+----
+# bad
+refute(obj.one?)
+refute(obj.one?, 'message')
+
+# good
+refute_predicate(obj, :one?)
+refute_predicate(obj, :one?, 'message')
+----
+
+=== References
+
+* https://minitest.rubystyle.guide/#refute-predicate
 
 == Minitest/RefuteRespondTo
 
 |===
 | Enabled by default | Safe | Supports autocorrection | Version Added | Version Changed