Extract matcher for silent exit

1 files changed, 13 insertions, 8 deletions

diff --git a/src/test/java/org/shedlang/compiler/patio/PatioExampleTests.java b/src/test/java/org/shedlang/compiler/patio/PatioExampleTests.java
index 2718e85f..9187ea2c 100644
--- a/src/test/java/org/shedlang/compiler/patio/PatioExampleTests.java
+++ b/src/test/java/org/shedlang/compiler/patio/PatioExampleTests.java
@@ -1,17 +1,18 @@
 package org.shedlang.compiler.patio;
 
 import org.junit.jupiter.api.Test;
-import org.shedlang.compiler.testing.ExecutionResult;
 import org.shedlang.compiler.patio.ast.PatioCompilationUnit;
 import org.shedlang.compiler.patio.ast.PatioFunctionDefinition;
 import org.shedlang.compiler.patio.ast.types.PatioTypes;
 import org.shedlang.compiler.patio.instructions.Patio;
+import org.shedlang.compiler.testing.ExecutionResult;
+import org.zwobble.precisely.Matcher;
 
 import java.io.IOException;
 import java.util.List;
 
 import static org.zwobble.precisely.AssertThat.assertThat;
-import static org.zwobble.precisely.Matchers.equalTo;
+import static org.zwobble.precisely.Matchers.*;
 
 public abstract class PatioExampleTests {
     protected static final String FUNCTION_NAME = "run";
@@ -43,9 +44,7 @@ public abstract class PatioExampleTests {
 
         var result = run(patio);
 
-        assertThat(result.stderr(), equalTo(""));
-        assertThat(result.stdout(), equalTo(""));
-        assertThat(result.exitCode(), equalTo(47));
+        assertThat(result, isSilentExit(47));
     }
 
     @Test
@@ -86,9 +85,15 @@ public abstract class PatioExampleTests {
 
         var result = run(patio);
 
-        assertThat(result.stderr(), equalTo(""));
-        assertThat(result.stdout(), equalTo(""));
-        assertThat(result.exitCode(), equalTo(47));
+        assertThat(result, isSilentExit(47));
+    }
+
+    private Matcher<ExecutionResult> isSilentExit(int exitCode) {
+        return allOf(
+            has("stderr", x -> x.stderr(), equalTo("")),
+            has("stdout", x -> x.stdout(), equalTo("")),
+            has("exitCode", x -> x.exitCode(), equalTo(exitCode))
+        );
     }
 
     protected abstract ExecutionResult run(PatioCompilationUnit patio) throws IOException, InterruptedException;