60 lines
2.4 KiB
Go
60 lines
2.4 KiB
Go
package main
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import "testing"
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// The order of these tests IS the meaning of the answer, and it was wrong: a
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// station new on both the band and the mode was reported as a plain "new band",
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// which reads as "you have worked this entity in this mode, just not here" —
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// the opposite of the truth. It is also not a slot: a slot is the pair still
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// missing when each half is already in the log.
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func TestSpotEntityStatus(t *testing.T) {
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for _, c := range []struct {
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name string
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worked, haveBand, haveMode, slot bool
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mode string
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want string
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}{
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{"entity never worked", false, false, false, false, "SSB", "new"},
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{"entity never worked, no mode known", false, false, false, false, "", "new"},
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// The case this exists for.
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{"new band AND new mode", true, false, false, false, "SSB", "new-band-mode"},
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// New band, but the mode is already in the log on another band.
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{"new band only", true, false, true, false, "SSB", "new-band"},
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// New mode, on a band already worked.
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{"new mode only", true, true, false, false, "SSB", "new-mode"},
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// Each half worked, never together: THAT is a slot.
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{"new slot", true, true, true, false, "SSB", "new-slot"},
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{"fully worked", true, true, true, true, "SSB", "worked"},
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// No mode: only the band can be judged, and a guess must never claim new.
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{"no mode, new band", true, false, false, false, "", "new-band"},
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{"no mode, band worked", true, true, false, false, "", "worked"},
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} {
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if got := spotEntityStatus(c.worked, c.haveBand, c.haveMode, c.slot, c.mode); got != c.want {
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t.Errorf("%s: got %q, want %q", c.name, got, c.want)
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}
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}
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}
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// Every status is reachable, and no two inputs collide on a status that should
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// be exclusive — the guard against someone "simplifying" the chain later.
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func TestSpotEntityStatusIsExhaustive(t *testing.T) {
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seen := map[string]bool{}
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for _, worked := range []bool{true, false} {
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for _, band := range []bool{true, false} {
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for _, mode := range []bool{true, false} {
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for _, slot := range []bool{true, false} {
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seen[spotEntityStatus(worked, band, mode, slot, "CW")] = true
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}
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}
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}
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}
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for _, want := range []string{"new", "new-band-mode", "new-band", "new-mode", "new-slot", "worked"} {
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if !seen[want] {
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t.Errorf("no combination produces %q — the status is dead", want)
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}
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}
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}
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