Added Selfie.expectSelfie for easy "multi-asserts" (#416)

diffplug · Jun 3, 2024 · 735c188 · 735c188
2 parents b5c408f + fb49674
commit 735c188
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diff --git a/jvm/CHANGELOG.md b/jvm/CHANGELOG.md
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
+- Added `Selfie.expectSelfies(Iterable<T> items, Function<T, String> toString)` for doing easy "multi-asserts". ([#416](https://github.com/diffplug/selfie/pull/416))
 - For java versions which don't support multiline string literals, we now encode multiline strings like so: ([#406](https://github.com/diffplug/selfie/pull/406))
   - ```java
     toBe("line1",

diff --git a/jvm/selfie-lib/src/commonMain/kotlin/com/diffplug/selfie/Selfie.kt b/jvm/selfie-lib/src/commonMain/kotlin/com/diffplug/selfie/Selfie.kt
@@ -63,6 +63,12 @@ object Selfie {
   @JvmStatic fun expectSelfie(actual: Int) = IntSelfie(actual)
   @JvmStatic fun expectSelfie(actual: Boolean) = BooleanSelfie(actual)
 
+  @JvmStatic
+  fun <T> expectSelfies(items: Iterable<T>, toString: (T) -> String): StringSelfie {
+    val snapshots = items.joinToString("\n", transform = toString)
+    return expectSelfie(snapshots)
+  }
+
   @JvmStatic
   fun cacheSelfie(toCache: Cacheable<String>) = cacheSelfie(Roundtrip.identity(), toCache)