Plugins: Make file system path handling in tests OS agnostic (#79651)

* make path handling OS agnostic

* PR feedback

* fix input for test case

pkg/infra/httpclient/httpclientprovider/http_logger_middleware_test.go

@@ -47,6 +47,8 @@ func TestHTTPLoggerMiddleware(t *testing.T) {
 		f, err := os.CreateTemp("", "example_*.har")
 		require.NoError(t, err)
 		defer func() {
+			err = f.Close()
+			require.NoError(t, err)
 			err := os.Remove(f.Name())
 			require.NoError(t, err)
 		}()

pkg/plugins/manager/signature/manifest_test.go

@@ -365,7 +365,7 @@ func TestFSPathSeparatorFiles(t *testing.T) {
 	} {
 		t.Run(tc.name, func(t *testing.T) {
 			pfs, err := newPathSeparatorOverrideFS(
-				"/", plugins.NewInMemoryFS(
+				tc.sep, plugins.NewInMemoryFS(
 					map[string][]byte{"a": nil, strings.Join([]string{"a", "b", "c"}, tc.sep): nil},
 				),
 			)

pkg/plugins/manager/sources/sources_test.go

@@ -2,6 +2,7 @@ package sources
 
 import (
 	"context"
+	"path/filepath"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -36,7 +37,7 @@ func TestSources_List(t *testing.T) {
 		require.Len(t, srcs, 3)
 
 		require.Equal(t, srcs[0].PluginClass(ctx), plugins.ClassCore)
-		require.Equal(t, srcs[0].PluginURIs(ctx), []string{"app/plugins/datasource", "app/plugins/panel"})
+		require.Equal(t, srcs[0].PluginURIs(ctx), []string{filepath.Join("app", "plugins", "datasource"), filepath.Join("app", "plugins", "panel")})
 		sig, exists := srcs[0].DefaultSignature(ctx)
 		require.True(t, exists)
 		require.Equal(t, plugins.SignatureStatusInternal, sig.Status)

pkg/plugins/pfs/pfs_test.go

@@ -147,7 +147,7 @@ func TestParsePluginTestdata(t *testing.T) {
 		},
 	}
 
-	staticRootPath, err := filepath.Abs("../manager/testdata")
+	staticRootPath, err := filepath.Abs(filepath.Join("..", "manager", "testdata"))
 	require.NoError(t, err)
 	dfs := os.DirFS(staticRootPath)
 	ents, err := fs.ReadDir(dfs, ".")
@@ -240,7 +240,7 @@ func TestParseTreeZips(t *testing.T) {
 		},
 	}
 
-	staticRootPath, err := filepath.Abs("../storage/testdata")
+	staticRootPath, err := filepath.Abs(filepath.Join("..", "storage", "testdata"))
 	require.NoError(t, err)
 	ents, err := os.ReadDir(staticRootPath)
 	require.NoError(t, err)

pkg/plugins/storage/fs_test.go

@@ -119,7 +119,7 @@ func TestExtractFiles(t *testing.T) {
 		skipWindows(t)
 
 		pluginID := "plugin-with-absolute-symlink"
-		path, err := i.extractFiles(context.Background(), zipFile(t, "testdata/plugin-with-absolute-symlink.zip"), pluginID, SimpleDirNameGeneratorFunc)
+		path, err := i.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-symlink.zip")), pluginID, SimpleDirNameGeneratorFunc)
 		require.Equal(t, filepath.Join(pluginsDir, pluginID), path)
 		require.NoError(t, err)
 
@@ -131,7 +131,7 @@ func TestExtractFiles(t *testing.T) {
 		skipWindows(t)
 
 		pluginID := "plugin-with-absolute-symlink-dir"
-		path, err := i.extractFiles(context.Background(), zipFile(t, "testdata/plugin-with-absolute-symlink-dir.zip"), pluginID, SimpleDirNameGeneratorFunc)
+		path, err := i.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-symlink-dir.zip")), pluginID, SimpleDirNameGeneratorFunc)
 		require.Equal(t, filepath.Join(pluginsDir, pluginID), path)
 		require.NoError(t, err)
 
@@ -140,7 +140,7 @@ func TestExtractFiles(t *testing.T) {
 	})
 
 	t.Run("Should detect if archive members point outside of the destination directory", func(t *testing.T) {
-		path, err := i.extractFiles(context.Background(), zipFile(t, "testdata/plugin-with-parent-member.zip"), "plugin-with-parent-member", SimpleDirNameGeneratorFunc)
+		path, err := i.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-parent-member.zip")), "plugin-with-parent-member", SimpleDirNameGeneratorFunc)
 		require.Empty(t, path)
 		require.EqualError(t, err, fmt.Sprintf(
 			`archive member "../member.txt" tries to write outside of plugin directory: %q, this can be a security risk`,
@@ -149,7 +149,7 @@ func TestExtractFiles(t *testing.T) {
 	})
 
 	t.Run("Should detect if archive members are absolute", func(t *testing.T) {
-		path, err := i.extractFiles(context.Background(), zipFile(t, "testdata/plugin-with-absolute-member.zip"), "plugin-with-absolute-member", SimpleDirNameGeneratorFunc)
+		path, err := i.extractFiles(context.Background(), zipFile(t, filepath.Join("testdata", "plugin-with-absolute-member.zip")), "plugin-with-absolute-member", SimpleDirNameGeneratorFunc)
 		require.Empty(t, path)
 		require.EqualError(t, err, fmt.Sprintf(
 			`archive member "/member.txt" tries to write outside of plugin directory: %q, this can be a security risk`,

pkg/util/filepath_test.go

@@ -1,6 +1,7 @@
 package util
 
 import (
+	"path/filepath"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -16,16 +17,17 @@ func TestCleanRelativePath(t *testing.T) {
 			expectedPath: ".",
 		},
 		{
-			input:        "/test/test.txt",
-			expectedPath: "test/test.txt",
+			input:        filepath.Join(string(filepath.Separator), "test", "test.txt"),
+			expectedPath: filepath.Join("test", "test.txt"),
 		},
 		{
-			input:        "../../test/test.txt",
-			expectedPath: "test/test.txt",
+			input:        filepath.Join("..", "..", "test", "test.txt"),
+			expectedPath: filepath.Join("test", "test.txt"),
 		},
 		{
-			input:        "./../test/test.txt",
-			expectedPath: "test/test.txt",
+			// since filepath.Join will remove the leading dot, we need to build the path manually
+			input:        "." + string(filepath.Separator) + filepath.Join("..", "test", "test.txt"),
+			expectedPath: filepath.Join("test", "test.txt"),
 		},
 	}