From 2bd3bd067b0f2f1e6e3b849ab1a7cc2a8357334a Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 9 Mar 2025 22:17:08 +0000
Subject: Extract notion of an example set

---
 .../org/shedlang/compiler/backends/ExampleSet.java | 38 ++++++++++++++++++++++
 .../shedlang/compiler/backends/ExampleTests.java   | 17 ++++------
 .../org/shedlang/compiler/backends/Examples.java   | 20 ------------
 3 files changed, 45 insertions(+), 30 deletions(-)
 create mode 100644 src/test/java/org/shedlang/compiler/backends/ExampleSet.java
 delete mode 100644 src/test/java/org/shedlang/compiler/backends/Examples.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/shedlang/compiler/backends/ExampleSet.java b/src/test/java/org/shedlang/compiler/backends/ExampleSet.java
new file mode 100644
index 00000000..52f46e63
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/backends/ExampleSet.java
@@ -0,0 +1,38 @@
+package org.shedlang.compiler.backends;
+
+import org.shedlang.compiler.filesystem.ShedCompilerFiles;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.stream.Stream;
+
+public class ExampleSet {
+    public static Stream<ExampleSet> exampleSets() {
+        return exampleSetDirectories()
+            .map(exampleDirectory -> new ExampleSet(exampleDirectory.toPath()));
+    }
+
+    /// The directory of each example set.
+    private static Stream<File> exampleSetDirectories() {
+        var examplesRoot = ShedCompilerFiles.getRoot().resolve("examples");
+
+        return Arrays.stream(examplesRoot.toFile()
+            .listFiles(file -> file.isDirectory()));
+    }
+
+    private final Path path;
+
+    private ExampleSet(Path path) {
+        this.path = path;
+    }
+
+    public String name() {
+        return this.path.getFileName().toString();
+    }
+
+    public ExamplesConfig readConfig() throws IOException {
+        return ExamplesConfig.read(this.path);
+    }
+}
diff --git a/src/test/java/org/shedlang/compiler/backends/ExampleTests.java b/src/test/java/org/shedlang/compiler/backends/ExampleTests.java
index 7e939696..b63fd5a4 100644
--- a/src/test/java/org/shedlang/compiler/backends/ExampleTests.java
+++ b/src/test/java/org/shedlang/compiler/backends/ExampleTests.java
@@ -7,14 +7,11 @@ import org.junit.jupiter.api.TestFactory;
 import org.shedlang.compiler.ShedCompiler;
 import org.shedlang.compiler.backends.paths.TargetDir;
 import org.shedlang.compiler.errors.CompilerError;
-import org.shedlang.compiler.filesystem.ShedCompilerFiles;
 import org.shedlang.compiler.testing.ExecutionResult;
 import org.shedlang.compiler.testing.TestProcessRunner;
 import org.shedlang.compiler.util.P;
 
-import java.io.File;
 import java.io.IOException;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Stream;
@@ -25,22 +22,22 @@ import static org.zwobble.precisely.Matchers.equalTo;
 public abstract class ExampleTests {
     @TestFactory
     public Stream<DynamicTest> tests() {
-        return Examples.exampleDirectories()
-            .map(exampleDirectory -> DynamicTest.dynamicTest(
-                exampleDirectory.getName(),
-                () -> runTest(exampleDirectory)
+        return ExampleSet.exampleSets()
+            .map(exampleSet -> DynamicTest.dynamicTest(
+                exampleSet.name(),
+                () -> runTest(exampleSet)
             ));
     }
 
-    private void runTest(File exampleDirectory) throws IOException, InterruptedException {
-        var isWipTest = isDisabled(exampleDirectory.getName());
+    private void runTest(ExampleSet exampleSet) throws IOException, InterruptedException {
+        var isWipTest = isDisabled(exampleSet.name());
         var includeWipTests = includeWipTests();
         Assumptions.assumeFalse(isWipTest && !includeWipTests);
 
         var backend = backend();
         var compiler = new ShedCompiler();
 
-        var config = ExamplesConfig.read(exampleDirectory.toPath());
+        var config = exampleSet.readConfig();
         for (var example : config.examples()) {
             TargetDir targetDir;
             try {
diff --git a/src/test/java/org/shedlang/compiler/backends/Examples.java b/src/test/java/org/shedlang/compiler/backends/Examples.java
deleted file mode 100644
index f5b93fd6..00000000
--- a/src/test/java/org/shedlang/compiler/backends/Examples.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package org.shedlang.compiler.backends;
-
-import org.shedlang.compiler.filesystem.ShedCompilerFiles;
-
-import java.io.File;
-import java.util.Arrays;
-import java.util.stream.Stream;
-
-public class Examples {
-    private Examples() {
-    }
-
-    /// The directory of each example.
-    public static Stream<File> exampleDirectories() {
-        var examplesRoot = ShedCompilerFiles.getRoot().resolve("examples");
-
-        return Arrays.stream(examplesRoot.toFile()
-            .listFiles(file -> file.isDirectory()));
-    }
-}
-- 
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