mirror of
https://github.com/anotherhadi/ilovetui.git
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Hadi
76 lines
2.8 KiB
Go
76 lines
2.8 KiB
Go
package layout
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import "testing"
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func TestFindNeighborBasicDirections(t *testing.T) {
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leaves := []LeafRect{
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{ID: "left", Rect: Rect{X: 0, Y: 0, W: 10, H: 10}},
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{ID: "right", Rect: Rect{X: 10, Y: 0, W: 10, H: 10}},
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}
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if id, ok := FindNeighbor(leaves, leaves[0], FocusRight); !ok || id != "right" {
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t.Fatalf("FocusRight from left: got (%q, %v), want (right, true)", id, ok)
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}
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if id, ok := FindNeighbor(leaves, leaves[1], FocusLeft); !ok || id != "left" {
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t.Fatalf("FocusLeft from right: got (%q, %v), want (left, true)", id, ok)
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}
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if _, ok := FindNeighbor(leaves, leaves[0], FocusLeft); ok {
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t.Fatalf("FocusLeft from left (edge): expected no neighbor")
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}
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}
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// Two candidates at the exact same gap: the one that actually shares more
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// of from's edge should win, not an arbitrary pick. This is the overlap
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// tie-break, the one that matters most for a real tmux/i3-style layout
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// (picking the pane that's genuinely alongside you, not just "a" neighbor).
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func TestFindNeighborPrefersLargerOverlapOnEqualGap(t *testing.T) {
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from := LeafRect{ID: "from", Rect: Rect{X: 0, Y: 0, W: 10, H: 10}}
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leaves := []LeafRect{
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from,
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{ID: "full", Rect: Rect{X: 10, Y: 0, W: 10, H: 10}},
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{ID: "partial", Rect: Rect{X: 10, Y: 5, W: 10, H: 10}},
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}
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id, ok := FindNeighbor(leaves, from, FocusRight)
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if !ok || id != "full" {
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t.Fatalf("got (%q, %v), want (full, true): equal gap, full's overlap (10) beats partial's (5)", id, ok)
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}
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}
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// When gap AND overlap are tied, center-to-center distance on the
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// perpendicular axis is the last resort.
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func TestFindNeighborCrossIsLastResortTiebreak(t *testing.T) {
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from := LeafRect{ID: "from", Rect: Rect{X: 0, Y: 10, W: 10, H: 10}} // Y 10..20, center 15
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leaves := []LeafRect{
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from,
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{ID: "near", Rect: Rect{X: 10, Y: 8, W: 10, H: 20}}, // Y 8..28, overlap 10, center 18
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{ID: "far", Rect: Rect{X: 10, Y: 0, W: 10, H: 20}}, // Y 0..20, overlap 10, center 10
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}
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id, ok := FindNeighbor(leaves, from, FocusRight)
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if !ok || id != "near" {
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t.Fatalf("got (%q, %v), want (near, true): equal gap and overlap, near's center is closer (3 vs 5)", id, ok)
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}
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}
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func TestFindNeighborNoCandidateBeyondEdge(t *testing.T) {
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leaves := []LeafRect{
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{ID: "only", Rect: Rect{X: 0, Y: 0, W: 10, H: 10}},
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}
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if _, ok := FindNeighbor(leaves, leaves[0], FocusDown); ok {
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t.Fatal("expected no neighbor with a single leaf")
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}
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}
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func TestFindNeighborRequiresPerpendicularOverlap(t *testing.T) {
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leaves := []LeafRect{
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{ID: "from", Rect: Rect{X: 0, Y: 0, W: 10, H: 10}},
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// Directly to the right on the X axis, but no shared Y extent at
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// all: not a valid candidate even though it's the only one there.
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{ID: "diagonal", Rect: Rect{X: 10, Y: 10, W: 10, H: 10}},
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}
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if _, ok := FindNeighbor(leaves, leaves[0], FocusRight); ok {
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t.Fatal("expected no neighbor: candidate shares no Y extent with from")
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}
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}
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