Fix equality checking of Comparable Mocks #1323
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`EqualArgumentConstraint` uses `DefaultTypeTransformation.compareEqual` to check arguments' equality in interactions. For most objects, this is equivalent to calling `.equals`, so Java Mocks come with an intuitive default implemention of `.equals`. But for objects that are `Comparable` (including Mocks of types that implement `Comparable`), `DefaultTypeTransformation.compareEqual(x, y)` is equivalent to calling `x.compareTo(y) == 0`. As a result, all Mocks of Comparable types are treated as equal by `EqualArgumentConstraint`. This commit fixes that by adding a default implementation of `.compareTo` to `Comparable` Mocks.
Codecov ReportBase: 79.84% // Head: 79.83% // Decreases project coverage by
Additional details and impacted files@@ Coverage Diff @@
## master #1323 +/- ##
============================================
- Coverage 79.84% 79.83% -0.02%
- Complexity 4059 4065 +6
============================================
Files 414 415 +1
Lines 12848 12856 +8
Branches 1662 1665 +3
============================================
+ Hits 10259 10263 +4
- Misses 1988 1989 +1
- Partials 601 604 +3
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leonard84
previously approved these changes
Sep 29, 2022
leonard84
approved these changes
Sep 29, 2022
leonard84
changed the title
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EqualArgumentConstraintusesDefaultTypeTransformation.compareEqualto check arguments' equality in interactions. For most objects, this is
equivalent to calling
.equals, so Java Mocks come with an intuitivedefault implemention of
.equals. But for objects that areComparable(including Mocks of types that implement
Comparable),DefaultTypeTransformation.compareEqual(x, y)is equivalent to callingx.compareTo(y) == 0. As a result, all Mocks of Comparable types aretreated as equal by
EqualArgumentConstraint.This commit fixes that by adding a default implementation of
.compareTotoComparableMocks.