91 lines
1.6 KiB
Go
91 lines
1.6 KiB
Go
package etl
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import "testing"
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type given map[int][]string
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type expectation map[string]int
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var transformTests = []struct {
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input given
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output expectation
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}{
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{
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given{1: {"A"}},
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expectation{"a": 1},
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},
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{
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given{1: {"A", "E", "I", "O", "U"}},
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expectation{"a": 1, "e": 1, "i": 1, "o": 1, "u": 1},
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},
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{
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given{
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1: {"A", "E"},
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2: {"D", "G"},
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},
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expectation{
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"a": 1,
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"e": 1,
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"d": 2,
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"g": 2,
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},
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},
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{
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given{
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1: {"A", "E", "I", "O", "U", "L", "N", "R", "S", "T"},
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2: {"D", "G"},
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3: {"B", "C", "M", "P"},
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4: {"F", "H", "V", "W", "Y"},
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5: {"K"},
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8: {"J", "X"},
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10: {"Q", "Z"},
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},
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expectation{
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"a": 1, "e": 1, "i": 1, "o": 1, "u": 1, "l": 1, "n": 1, "r": 1, "s": 1, "t": 1,
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"d": 2, "g": 2,
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"b": 3, "c": 3, "m": 3, "p": 3,
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"f": 4, "h": 4, "v": 4, "w": 4, "y": 4,
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"k": 5,
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"j": 8, "x": 8,
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"q": 10, "z": 10,
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},
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},
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}
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func equal(actual map[string]int, expectation map[string]int) bool {
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if len(actual) != len(expectation) {
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return false
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}
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for k, actualVal := range actual {
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expectationVal, present := expectation[k]
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if !present || actualVal != expectationVal {
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return false
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}
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}
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return true
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}
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func TestTranform(t *testing.T) {
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for _, tt := range transformTests {
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actual := Transform(map[int][]string(tt.input))
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if !equal(actual, tt.output) {
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t.Fatalf("Transform(%v). Expected [%v], Actual [%v]", tt.input, tt.output, actual)
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}
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}
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}
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func BenchmarkTranform(b *testing.B) {
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b.StopTimer()
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for _, tt := range transformTests {
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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Transform(map[int][]string(tt.input))
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}
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b.StopTimer()
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}
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}
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