Add example

pkg/codegen/report/report_test.go

@@ -0,0 +1,68 @@
+package report_test
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/pulumi/pulumi/pkg/v3/codegen/dotnet"
+	"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/syntax"
+	"github.com/pulumi/pulumi/pkg/v3/codegen/nodejs"
+	"github.com/pulumi/pulumi/pkg/v3/codegen/pcl"
+	"github.com/pulumi/pulumi/pkg/v3/codegen/report"
+	"github.com/pulumi/pulumi/pkg/v3/version"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestReportExample(t *testing.T) {
+	t.Parallel()
+
+	reporter := report.New("example", version.Version)
+	defer reporter.Close()
+
+	examples := []struct {
+		title string
+		body  string
+	}{
+		{"Our basic bucket", `resource bucket "aws:s3:BucketV2" {  }`},
+		{"A resource group", `resource group "azure:core:ResourceGroup" { location: "westus2" }`},
+	}
+	for _, example := range examples {
+		parser := syntax.NewParser()
+		err := parser.ParseFile(bytes.NewReader([]byte(example.body)), example.title)
+		require.NoError(t, err, "parse failed")
+		program, diags, err := pcl.BindProgram(parser.Files)
+		require.NoError(t, err)
+		require.False(t, diags.HasErrors(), diags)
+
+		langs := []string{"dotnet", "nodejs"}
+		for i, genFn := range []report.GenerateProgramFn{dotnet.GenerateProgram, nodejs.GenerateProgram} {
+			program, diags, err := reporter.Report(example.title, langs[i], parser.Files, genFn)(program)
+			handleAsNormal(program, diags, err)
+		}
+	}
+
+	assert.Equal(t, report.Summary{
+		Name: "example",
+		Stats: report.Stats{
+			NumConversions: 4,
+			Successes:      4,
+		},
+		Languages: map[string]*report.Language{
+			"dotnet": {
+				Stats: report.Stats{
+					NumConversions: 2,
+					Successes:      2,
+				},
+			},
+			"nodejs": {
+				Stats: report.Stats{
+					NumConversions: 2,
+					Successes:      2,
+				},
+			},
+		},
+	}, reporter.Summary())
+}
+
+func handleAsNormal(args ...interface{}) {}