Initial commit

pkg/openapi/diff_test.go

@@ -0,0 +1,52 @@
+package openapi
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestDiffParser(t *testing.T) {
+	input := `diff --git a/pkg/openapi/session.go b/pkg/openapi/session.go
+index 1234567..89abcdef 100644
+--- a/pkg/openapi/session.go
++++ b/pkg/openapi/session.go
+@@ -1,3 +1,4 @@
+ package openapi
+ 
+ import (
++	"os"
+diff --git a/main.go b/main.go
+index 0000000..1111111
+--- a/main.go
++++ b/main.go
+@@ -10,1 +10,1 @@
+-old
++new
+`
+
+	var blocks []DiffBlock
+	parser := NewDiffParser(func(b DiffBlock) {
+		blocks = append(blocks, b)
+	})
+
+	err := parser.Parse(strings.NewReader(input))
+	if err != nil {
+		t.Fatalf("Parse failed: %v", err)
+	}
+
+	if len(blocks) != 2 {
+		t.Errorf("Expected 2 blocks, got %d", len(blocks))
+	}
+
+	if blocks[0].File != "pkg/openapi/session.go" {
+		t.Errorf("Expected first file pkg/openapi/session.go, got %s", blocks[0].File)
+	}
+
+	if blocks[1].File != "main.go" {
+		t.Errorf("Expected second file main.go, got %s", blocks[1].File)
+	}
+
+	if !strings.Contains(blocks[1].Content, "+new") {
+		t.Errorf("Expected block 1 to contain '+new', got %s", blocks[1].Content)
+	}
+}