initial commits
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857efdf601
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package netln_test
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import (
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"github.com/reiver/go-netln"
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"io"
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"strings"
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"testing"
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)
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func TestCopyLine(t *testing.T) {
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tests := []struct{
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Src string
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Expected string
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}{
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{
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Src: "apple banana cherry",
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Expected: "apple banana cherry",
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},
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{
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Src: "apple banana cherry"+"\r",
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Expected: "apple banana cherry"+"\r",
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},
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{
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Src: "apple banana cherry"+"\n",
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Expected: "apple banana cherry"+"\n",
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},
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{
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Src: "apple banana cherry"+"\r\n",
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Expected: "apple banana cherry",
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},
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{
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Src: "apple banana cherry"+"\r"+"hello world",
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Expected: "apple banana cherry"+"\r"+"hello world",
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},
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{
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Src: "apple banana cherry"+"\n"+"hello world",
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Expected: "apple banana cherry"+"\n"+"hello world",
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},
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{
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Src: "apple banana cherry"+"\r\n"+"hello world",
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Expected: "apple banana cherry",
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},
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{
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Src: "apple banana cherry"+"\r"+"hello world"+"\r",
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Expected: "apple banana cherry"+"\r"+"hello world"+"\r",
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},
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{
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Src: "apple banana cherry"+"\r"+"hello world"+"\n",
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Expected: "apple banana cherry"+"\r"+"hello world"+"\n",
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},
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{
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Src: "apple banana cherry"+"\r"+"hello world"+"\r\n",
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Expected: "apple banana cherry"+"\r"+"hello world",
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},
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{
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Src: "apple banana cherry"+"\n"+"hello world"+"\r",
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Expected: "apple banana cherry"+"\n"+"hello world"+"\r",
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},
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{
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Src: "apple banana cherry"+"\n"+"hello world"+"\n",
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Expected: "apple banana cherry"+"\n"+"hello world"+"\n",
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},
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{
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Src: "apple banana cherry"+"\n"+"hello world"+"\r\n",
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Expected: "apple banana cherry"+"\n"+"hello world",
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},
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{
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Src: "apple banana cherry"+"\r\n"+"hello world"+"\r\n",
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Expected: "apple banana cherry",
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},
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{
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Src: "r۵≡🙂",
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Expected: "r۵≡🙂",
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},
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{
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Src: "r۵≡🙂"+"\r",
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Expected: "r۵≡🙂"+"\r",
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},
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{
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Src: "r۵≡🙂"+"\n",
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Expected: "r۵≡🙂"+"\n",
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},
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{
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Src: "r۵≡🙂"+"\r\n",
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Expected: "r۵≡🙂",
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},
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{
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Src: "r۵≡🙂"+"\r"+"once twice thrice fource",
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Expected: "r۵≡🙂"+"\r"+"once twice thrice fource",
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},
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{
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Src: "r۵≡🙂"+"\r"+"once twice thrice fource"+"\r",
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Expected: "r۵≡🙂"+"\r"+"once twice thrice fource"+"\r",
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},
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{
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Src: "r۵≡🙂"+"\r"+"once twice thrice fource"+"\n",
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Expected: "r۵≡🙂"+"\r"+"once twice thrice fource"+"\n",
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},
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{
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Src: "r۵≡🙂"+"\r"+"once twice thrice fource"+"\r\n",
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Expected: "r۵≡🙂"+"\r"+"once twice thrice fource",
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},
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{
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Src: "r۵≡🙂"+"\n"+"once twice thrice fource",
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Expected: "r۵≡🙂"+"\n"+"once twice thrice fource",
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},
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{
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Src: "r۵≡🙂"+"\n"+"once twice thrice fource"+"\r",
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Expected: "r۵≡🙂"+"\n"+"once twice thrice fource"+"\r",
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},
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{
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Src: "r۵≡🙂"+"\n"+"once twice thrice fource"+"\n",
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Expected: "r۵≡🙂"+"\n"+"once twice thrice fource"+"\n",
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},
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{
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Src: "r۵≡🙂"+"\n"+"once twice thrice fource"+"\r\n",
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Expected: "r۵≡🙂"+"\n"+"once twice thrice fource",
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},
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{
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Src: "r۵≡🙂"+"\r\n"+"once twice thrice fource",
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Expected: "r۵≡🙂",
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},
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{
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Src: "r۵≡🙂"+"\r\n"+"once twice thrice fource"+"\r",
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Expected: "r۵≡🙂",
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},
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{
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Src: "r۵≡🙂"+"\r\n"+"once twice thrice fource"+"\n",
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Expected: "r۵≡🙂",
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},
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{
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Src: "r۵≡🙂"+"\r\n"+"once twice thrice fource"+"\r\n",
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Expected: "r۵≡🙂",
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},
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}
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for testNumber, test := range tests {
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var actualStorage strings.Builder
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var reader io.Reader = strings.NewReader(test.Src)
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actualN, err := netln.CopyLine(&actualStorage, reader)
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if nil != err {
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t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
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t.Logf("ERROR: (%T) %q", err, err)
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t.Logf("SRC: %q", test.Src)
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t.Logf("ACTUAL-N: %d", actualN)
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continue
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}
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{
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var expected int64 = int64(len(test.Expected))
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var actual int64 = actualN
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if expected != actual {
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t.Errorf("For test #%d, the actual number of bytes written is not what was expected.", testNumber)
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t.Logf("EXPECTED: %d bytes", expected)
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t.Logf("ACTUAL: %d bytes", actual)
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t.Logf("SRC: %q", test.Src)
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t.Logf("EXPECTED-DST: %q", test.Expected)
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t.Logf("ACTUAL-DST: %q", actualStorage.String())
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continue
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}
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}
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{
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var expected string = test.Expected
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var actual string = actualStorage.String()
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if expected != actual {
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t.Errorf("For test #%d, the actual value of what was written is not what was expected", testNumber)
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t.Logf("EXPECTED: %q", expected)
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t.Logf("ACTUAL: %q", actual)
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t.Logf("SRC: %q", test.Src)
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continue
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}
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}
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}
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}
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