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conn_test.go
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package evo
import (
"strings"
"testing"
)
func TestConnString(t *testing.T) {
c := Conn{} // Given even an empty position
if c.String() == "" {
t.Error("String() should return non-empty string")
}
c.Enabled = true
s := c.String()
if !strings.Contains(strings.ToLower(s), "enabled") {
t.Errorf("string for enabled connection does not indicate enabled: actual, %s", s)
}
c.Enabled = false
s = c.String()
if !strings.Contains(strings.ToLower(s), "disabled") {
t.Errorf("string for disabled connection does not indicate disabled: actual, %s", s)
}
}
func TestConnCompare(t *testing.T) {
var cases = []struct {
Desc string
A, B Conn
Expected int8
}{
{
Desc: "equal conns",
A: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: 0,
},
{
Desc: "different enabled states should not matter",
A: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: false, Weight: 1.234},
Expected: 0,
},
{
Desc: "different weights should not matter",
A: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 2.112},
Expected: 0,
},
{
Desc: "lower source, equal taget",
A: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 1.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: -1,
},
{
Desc: "higher source, equal target",
A: Conn{Source: Position{Layer: 1.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: 1,
},
{
Desc: "lower source, lower taget",
A: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 0.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 1.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: -1,
},
{
Desc: "higher source, lower target",
A: Conn{Source: Position{Layer: 1.0, X: 0.0}, Target: Position{Layer: 0.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: 1,
},
{
Desc: "lower source, higher taget",
A: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 1.0, X: 0.0}, Target: Position{Layer: 0.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: -1,
},
{
Desc: "higher source, higher target",
A: Conn{Source: Position{Layer: 1.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 0.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: 1,
},
{
Desc: "equal source, lower taget",
A: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 0.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: -1,
},
{
Desc: "equal source, higher target",
A: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 1.0, X: 1.0}, Enabled: true, Weight: 1.234},
B: Conn{Source: Position{Layer: 0.0, X: 0.0}, Target: Position{Layer: 0.0, X: 1.0}, Enabled: true, Weight: 1.234},
Expected: 1,
},
}
for _, c := range cases {
t.Run(c.Desc, func(t *testing.T) {
actual := c.A.Compare(c.B)
if c.Expected != actual {
t.Errorf("incorrect comparison value: expected %d, actual %d", c.Expected, actual)
}
})
}
}