63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
// SPDX-Licence-Identifier: EUPL-1.2
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//go:build !js
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package main
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import (
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"compress/gzip"
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"context"
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"testing"
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core "dappco.re/go/core"
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coreio "dappco.re/go/core/io"
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process "dappco.re/go/core/process"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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const (
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wasmGzLimit = 1_048_576 // 1 MB gzip transfer size limit
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wasmRawLimit = 3_670_016 // 3.5 MB raw size limit
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)
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func TestCmdWasm_WASMBinarySize_Good(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping WASM build test in short mode")
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}
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dir := t.TempDir()
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out := core.Path(dir, "gohtml.wasm")
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factory := process.NewService(process.Options{})
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serviceValue, err := factory(core.New())
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require.NoError(t, err)
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svc, ok := serviceValue.(*process.Service)
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require.True(t, ok, "process service factory returned %T", serviceValue)
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output, err := svc.RunWithOptions(context.Background(), process.RunOptions{
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Command: "go",
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Args: []string{"build", "-ldflags=-s -w", "-o", out, "."},
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Dir: ".",
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Env: []string{"GOOS=js", "GOARCH=wasm"},
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})
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require.NoError(t, err, "WASM build failed: %s", output)
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rawStr, err := coreio.Local.Read(out)
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require.NoError(t, err)
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rawBytes := []byte(rawStr)
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buf := core.NewBuilder()
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gz, err := gzip.NewWriterLevel(buf, gzip.BestCompression)
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require.NoError(t, err)
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_, err = gz.Write(rawBytes)
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require.NoError(t, err)
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require.NoError(t, gz.Close())
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t.Logf("WASM size: %d bytes raw, %d bytes gzip", len(rawBytes), buf.Len())
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assert.Less(t, buf.Len(), wasmGzLimit,
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"WASM gzip size %d exceeds 1MB limit", buf.Len())
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assert.Less(t, len(rawBytes), wasmRawLimit,
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"WASM raw size %d exceeds 3MB limit", len(rawBytes))
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}
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