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package field
import (
"io"
"os"
"testing"
"testing/iotest"
"github.com/stretchr/testify/require"
)
func TestLoadFile(t *testing.T) {
// minimal b98 file
minimalField := Field{
x: 0,
y: 0,
lx: 1,
ly: 1,
lines: []Line{
Line{
x: 0,
l: 1,
columns: []int{'@'},
},
},
}
// hello b98 file
helloField := Field{
x: 0,
y: 0,
lx: 24,
ly: 1,
lines: []Line{
Line{
x: 0,
l: 24,
columns: []int{'6', '4', '+', '"', '!', 'd', 'l', 'r', 'o', 'W', ' ', ',', 'o', 'l', 'l', 'e', 'H', '"', '>', ':', '#', ',', '_', '@'},
},
},
}
// factorial b98 file
factorialField := Field{
x: 0,
y: 0,
lx: 15,
ly: 2,
lines: []Line{
Line{
x: 0,
l: 15,
columns: []int{'&', '>', ':', '1', '-', ':', 'v', ' ', 'v', ' ', '*', '_', '$', '.', '@'},
},
Line{
x: 1,
l: 11,
columns: []int{'^', ' ', ' ', ' ', ' ', '_', '$', '>', '\\', ':', '^'},
},
},
}
// dna b98 file
dnaField := Field{
x: 0,
y: 0,
lx: 7,
ly: 8,
lines: []Line{
Line{
x: 0,
l: 7,
columns: []int{'7', '^', 'D', 'N', '>', 'v', 'A'},
},
Line{
x: 0,
l: 7,
columns: []int{'v', '_', '#', 'v', '?', ' ', 'v'},
},
Line{
x: 0,
l: 7,
columns: []int{'7', '^', '<', '"', '"', '"', '"'},
},
Line{
x: 0,
l: 7,
columns: []int{'3', ' ', ' ', 'A', 'C', 'G', 'T'},
},
Line{
x: 0,
l: 7,
columns: []int{'9', '0', '!', '"', '"', '"', '"'},
},
Line{
x: 0,
l: 7,
columns: []int{'4', '*', ':', '>', '>', '>', 'v'},
},
Line{
x: 0,
l: 7,
columns: []int{'+', '8', '^', '-', '1', ',', '<'},
},
Line{
x: 0,
l: 7,
columns: []int{'>', ' ', ',', '+', ',', '@', ')'},
},
},
}
// \r\n file b98 file
rnField := Field{
x: 0,
y: 0,
lx: 24,
ly: 1,
lines: []Line{
Line{
x: 0,
l: 24,
columns: []int{'6', '4', '+', '"', '!', 'd', 'l', 'r', 'o', 'W', ' ', ',', 'o', 'l', 'l', 'e', 'H', '"', '>', ':', '#', ',', '_', '@'},
},
},
}
// Test cases
type addError func(r io.Reader) io.Reader
testCases := []struct {
name string
input string
inputAddError addError
expected *Field
expectedError error
}{
{"Empty file", "test_data/empty.b98", nil, nil, &DecodeError{}},
{"Invalid file content", "test_data/invalid.b98", nil, nil, &DecodeError{}},
{"io error", "test_data/minimal.b98", iotest.TimeoutReader, nil, &ReadError{}},
{"minimal", "test_data/minimal.b98", nil, &minimalField, nil},
{"hello", "test_data/hello.b98", nil, &helloField, nil},
{"factorial", "test_data/factorial.b98", nil, &factorialField, nil},
{"dna", "test_data/dna.b98", nil, &dnaField, nil},
{"\\r\\n file", "test_data/rn.b98", nil, &rnField, nil},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
var fd io.Reader
file, err := os.Open(tc.input)
require.NoError(t, err, "Failed to open file")
defer file.Close()
if tc.inputAddError != nil {
fd = tc.inputAddError(file)
} else {
fd = file
}
valid, err := LoadFile(fd)
if tc.expectedError != nil {
require.Error(t, err)
requireErrorTypeMatch(t, err, tc.expectedError)
require.Nil(t, valid)
} else {
require.NoError(t, err)
}
require.Equal(t, tc.expected, valid, "Invalid value")
})
}
}
|
