66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package vfs_test
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import (
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"testing"
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"testing/fstest"
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"github.com/microsoft/typescript-go/internal/repo"
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"github.com/microsoft/typescript-go/internal/tspath"
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"github.com/microsoft/typescript-go/internal/vfs"
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"github.com/microsoft/typescript-go/internal/vfs/osvfs"
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"github.com/microsoft/typescript-go/internal/vfs/vfstest"
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"gotest.tools/v3/assert"
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)
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func BenchmarkReadFile(b *testing.B) {
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type bench struct {
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name string
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fs vfs.FS
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path string
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}
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osFS := osvfs.FS()
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const smallData = "hello, world"
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tmpdir := tspath.NormalizeSlashes(b.TempDir())
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osSmallDataPath := tspath.CombinePaths(tmpdir, "foo.ts")
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err := osFS.WriteFile(osSmallDataPath, smallData)
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assert.NilError(b, err)
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tests := []bench{
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{"MapFS small", vfstest.FromMap(fstest.MapFS{
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"/foo.ts": &fstest.MapFile{
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Data: []byte(smallData),
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},
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}, true), "/foo.ts"},
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{"OS small", osFS, osSmallDataPath},
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}
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if repo.TypeScriptSubmoduleExists() {
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checkerPath := tspath.CombinePaths(tspath.NormalizeSlashes(repo.TypeScriptSubmodulePath()), "src", "compiler", "checker.ts")
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checkerContents, ok := osFS.ReadFile(checkerPath)
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assert.Assert(b, ok)
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tests = append(tests, bench{
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"MapFS checker.ts",
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vfstest.FromMap(fstest.MapFS{
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"/checker.ts": &fstest.MapFile{
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Data: []byte(checkerContents),
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},
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}, true),
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"/checker.ts",
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})
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tests = append(tests, bench{"OS checker.ts", osFS, checkerPath})
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}
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for _, tt := range tests {
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b.Run(tt.name, func(b *testing.B) {
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b.ReportAllocs()
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for range b.N {
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_, _ = tt.fs.ReadFile(tt.path)
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}
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})
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}
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}
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