1 files changed, 130 insertions, 0 deletions
diff --git a/modules/packages/composer/metadata_test.go b/modules/packages/composer/metadata_test.go
new file mode 100644
index 0000000000..feadc18b6a
--- /dev/null
+++ b/modules/packages/composer/metadata_test.go
@@ -0,0 +1,130 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package composer
+
+import (
+	"archive/zip"
+	"bytes"
+	"strings"
+	"testing"
+
+	"code.gitea.io/gitea/modules/json"
+
+	"github.com/stretchr/testify/assert"
+)
+
+const (
+	name        = "gitea/composer-package"
+	description = "Package Description"
+	packageType = "composer-plugin"
+	author      = "Gitea Authors"
+	email       = "no.reply@gitea.io"
+	homepage    = "https://gitea.io"
+	license     = "MIT"
+)
+
+const composerContent = `{
+    "name": "` + name + `",
+    "description": "` + description + `",
+    "type": "` + packageType + `",
+    "license": "` + license + `",
+    "authors": [
+        {
+            "name": "` + author + `",
+            "email": "` + email + `"
+        }
+    ],
+    "homepage": "` + homepage + `",
+    "autoload": {
+        "psr-4": {"Gitea\\ComposerPackage\\": "src/"}
+    },
+    "require": {
+        "php": ">=7.2 || ^8.0"
+    }
+}`
+
+func TestLicenseUnmarshal(t *testing.T) {
+	var l Licenses
+	assert.NoError(t, json.NewDecoder(strings.NewReader(`["MIT"]`)).Decode(&l))
+	assert.Len(t, l, 1)
+	assert.Equal(t, "MIT", l[0])
+	assert.NoError(t, json.NewDecoder(strings.NewReader(`"MIT"`)).Decode(&l))
+	assert.Len(t, l, 1)
+	assert.Equal(t, "MIT", l[0])
+}
+
+func TestParsePackage(t *testing.T) {
+	createArchive := func(name, content string) []byte {
+		var buf bytes.Buffer
+		archive := zip.NewWriter(&buf)
+		w, _ := archive.Create(name)
+		w.Write([]byte(content))
+		archive.Close()
+		return buf.Bytes()
+	}
+
+	t.Run("MissingComposerFile", func(t *testing.T) {
+		data := createArchive("dummy.txt", "")
+
+		cp, err := ParsePackage(bytes.NewReader(data), int64(len(data)))
+		assert.Nil(t, cp)
+		assert.ErrorIs(t, err, ErrMissingComposerFile)
+	})
+
+	t.Run("MissingComposerFileInRoot", func(t *testing.T) {
+		data := createArchive("sub/sub/composer.json", "")
+
+		cp, err := ParsePackage(bytes.NewReader(data), int64(len(data)))
+		assert.Nil(t, cp)
+		assert.ErrorIs(t, err, ErrMissingComposerFile)
+	})
+
+	t.Run("InvalidComposerFile", func(t *testing.T) {
+		data := createArchive("composer.json", "")
+
+		cp, err := ParsePackage(bytes.NewReader(data), int64(len(data)))
+		assert.Nil(t, cp)
+		assert.Error(t, err)
+	})
+
+	t.Run("Valid", func(t *testing.T) {
+		data := createArchive("composer.json", composerContent)
+
+		cp, err := ParsePackage(bytes.NewReader(data), int64(len(data)))
+		assert.NoError(t, err)
+		assert.NotNil(t, cp)
+	})
+}
+
+func TestParseComposerFile(t *testing.T) {
+	t.Run("InvalidPackageName", func(t *testing.T) {
+		cp, err := ParseComposerFile(strings.NewReader(`{}`))
+		assert.Nil(t, cp)
+		assert.ErrorIs(t, err, ErrInvalidName)
+	})
+
+	t.Run("InvalidPackageVersion", func(t *testing.T) {
+		cp, err := ParseComposerFile(strings.NewReader(`{"name": "gitea/composer-package", "version": "1.a.3"}`))
+		assert.Nil(t, cp)
+		assert.ErrorIs(t, err, ErrInvalidVersion)
+	})
+
+	t.Run("Valid", func(t *testing.T) {
+		cp, err := ParseComposerFile(strings.NewReader(composerContent))
+		assert.NoError(t, err)
+		assert.NotNil(t, cp)
+
+		assert.Equal(t, name, cp.Name)
+		assert.Empty(t, cp.Version)
+		assert.Equal(t, description, cp.Metadata.Description)
+		assert.Len(t, cp.Metadata.Authors, 1)
+		assert.Equal(t, author, cp.Metadata.Authors[0].Name)
+		assert.Equal(t, email, cp.Metadata.Authors[0].Email)
+		assert.Equal(t, homepage, cp.Metadata.Homepage)
+		assert.Equal(t, packageType, cp.Type)
+		assert.Len(t, cp.Metadata.License, 1)
+		assert.Equal(t, license, cp.Metadata.License[0])
+	})
+}