package eol_test import ( "testing" "io" "strings" "sourcecode.social/reiver/go-utf8" "sourcecode.social/reiver/go-eol" "sourcecode.social/reiver/go-eol/cr" "sourcecode.social/reiver/go-eol/crlf" "sourcecode.social/reiver/go-eol/lf" "sourcecode.social/reiver/go-eol/lfcr" "sourcecode.social/reiver/go-eol/ls" "sourcecode.social/reiver/go-eol/nel" "sourcecode.social/reiver/go-eol/vt" ) func TestReadEOL(t *testing.T) { tests := []struct{ Value string ExpectedEOL string ExpectedSize int }{ { Value: "\n", ExpectedEOL: lf.String, ExpectedSize: 1, }, { Value: "\n\r", ExpectedEOL: lfcr.String, ExpectedSize: 2, }, { Value: "\v", ExpectedEOL: vt.String, ExpectedSize: 1, }, { Value: "\r", ExpectedEOL: cr.String, ExpectedSize: 1, }, { Value: "\r\n", ExpectedEOL: crlf.String, ExpectedSize: 2, }, { Value: "\u0085", ExpectedEOL: nel.String, ExpectedSize: 2, }, { Value: "\u2028", ExpectedEOL: ls.String, ExpectedSize: 3, }, { Value: "\napple banana cherry", ExpectedEOL: lf.String, ExpectedSize: 1, }, { Value: "\vapple banana cherry", ExpectedEOL: vt.String, ExpectedSize: 1, }, { Value: "\n\rapple banana cherr", ExpectedEOL: lfcr.String, ExpectedSize: 2, }, { Value: "\rapple banana cherr", ExpectedEOL: cr.String, ExpectedSize: 1, }, { Value: "\r\napple banana cherr", ExpectedEOL: crlf.String, ExpectedSize: 2, }, { Value: "\u0085apple banana cherr", ExpectedEOL: nel.String, ExpectedSize: 2, }, { Value: "\u2028apple banana cherr", ExpectedEOL: ls.String, ExpectedSize: 3, }, } for testNumber, test := range tests { var reader io.Reader = strings.NewReader(test.Value) var runescanner io.RuneScanner = utf8.NewRuneScanner(reader) actualEOL, actualSize, err := eol.ReadEOL(runescanner) if nil != err { t.Errorf("For test #%d, did not expect an error but actually got one." , testNumber) t.Logf("ERROR: (%T) %s", err, err) t.Logf("VALUE: %q", test.Value) t.Logf("EXPECTED-EOL: %q", test.ExpectedEOL) t.Logf("EXPECTED-SIZE: %d", test.ExpectedSize) continue } { expected := test.ExpectedEOL actual := actualEOL if expected != actual { t.Errorf("For test #%d, the actual end-of-line sequence is not what was expected.", testNumber) t.Logf("EXPECTED: %q", expected) t.Logf("ACTUAL: %q", actual) t.Logf("VALUE: %q", test.Value) t.Logf("EXPECTED-SIZE: %d", test.ExpectedSize) continue } } { expected := test.ExpectedSize actual := actualSize if expected != actual { t.Errorf("For test #%d, the actual size is not what was expected.", testNumber) t.Logf("EXPECTED: %d", expected) t.Logf("ACTUAL: %d", actual) t.Logf("VALUE: %q", test.Value) t.Logf("EXPECTED-EOL: %q", test.ExpectedEOL) continue } } } } func TestReadEOL_fail(t *testing.T) { tests := []struct{ Value string ExpectedEOL string ExpectedSize int ExpectedError string }{ { Value: "apple", ExpectedError: "eol: 'a' (U+0061) is not an end-of-line character", }, { Value: "banana", ExpectedError: "eol: 'b' (U+0062) is not an end-of-line character", }, { Value: "cherry", ExpectedError: "eol: 'c' (U+0063) is not an end-of-line character", }, } for testNumber, test := range tests { var reader io.Reader = strings.NewReader(test.Value) var runescanner io.RuneScanner = utf8.NewRuneScanner(reader) actualEOL, actualSize, err := eol.ReadEOL(runescanner) if nil == err { t.Errorf("For test #%d, expected an error but did not actually get one." , testNumber) t.Logf("EXPECTED-ERROR: %q", test.ExpectedError) t.Logf("VALUE: %q", test.Value) t.Logf("EXPECTED-EOL: %q", test.ExpectedEOL) t.Logf("EXPECTED-SIZE: %d", test.ExpectedSize) continue } { expected := test.ExpectedError actual := err.Error() if expected != actual { t.Errorf("For test %d, the actual error is not what was expected.", testNumber) t.Logf("EXPECTED: %q", expected) t.Logf("ACTUAL: %q", actual) t.Logf("VALUE: %q", test.Value) t.Logf("EXPECTED-EOL: %q", test.ExpectedEOL) t.Logf("EXPECTED-SIZE: %d", test.ExpectedSize) continue } } { expected := test.ExpectedEOL actual := actualEOL if expected != actual { t.Errorf("For test %d, the actual end-of-line sequence is not what was expected.", testNumber) t.Logf("EXPECTED: %q", expected) t.Logf("ACTUAL: %q", actual) t.Logf("VALUE: %q", test.Value) t.Logf("EXPECTED-SIZE: %d", test.ExpectedSize) t.Logf("EXPECTED-ERROR: %q", test.ExpectedError) continue } } { expected := test.ExpectedSize actual := actualSize if expected != actual { t.Errorf("For test %d, the actual size is not what was expected.", testNumber) t.Logf("EXPECTED: %d", expected) t.Logf("ACTUAL: %d", actual) t.Logf("VALUE: %q", test.Value) t.Logf("EXPECTED-EOL: %q", test.ExpectedEOL) t.Logf("EXPECTED-ERROR: %q", test.ExpectedError) continue } } } }