70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
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package lpseal
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import (
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"io"
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"net/http"
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"net/http/httptest"
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"testing"
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)
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// TestUrlPieceReader_Read tests various scenarios of reading data from UrlPieceReader
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func TestUrlPieceReader_Read(t *testing.T) {
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// Create a test server
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testData := "This is a test string."
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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io.WriteString(w, testData)
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}))
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defer ts.Close()
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tests := []struct {
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name string
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rawSize int64
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expected string
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expectError bool
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expectEOF bool
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}{
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{"ReadExact", int64(len(testData)), testData, false, true},
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{"ReadLess", 10, testData[:10], false, false},
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{"ReadMore", int64(len(testData)) + 10, "", true, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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reader := UrlPieceReader{
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Url: ts.URL,
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RawSize: tt.rawSize,
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}
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buffer, err := io.ReadAll(&reader)
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if err != nil {
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if (err != io.EOF && !tt.expectError) || (err == io.EOF && !tt.expectEOF) {
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t.Errorf("Read() error = %v, expectError %v, expectEOF %v", err, tt.expectError, tt.expectEOF)
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}
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} else {
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if got := string(buffer); got != tt.expected {
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t.Errorf("Read() got = %v, expected %v", got, tt.expected)
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}
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}
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})
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}
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}
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// TestUrlPieceReader_Read_Error tests the error handling of UrlPieceReader
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func TestUrlPieceReader_Read_Error(t *testing.T) {
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// Simulate a server that returns an error
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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http.Error(w, "error", http.StatusInternalServerError)
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}))
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defer ts.Close()
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reader := UrlPieceReader{
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Url: ts.URL,
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RawSize: 100,
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}
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buffer := make([]byte, 200)
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_, err := reader.Read(buffer)
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if err == nil {
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t.Errorf("Expected an error, but got nil")
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}
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}
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