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selector: update selector.Select to accept a slice of structs (#1764)

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This commit is contained in:
ben-toogood
2020-06-30 15:51:26 +01:00
committed by GitHub
parent 6337c92cd0
commit b882ff3df9
6 changed files with 38 additions and 43 deletions
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30
selector/roundrobin/roundrobin_test.go
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@@ -11,39 +11,39 @@ import (
func TestRoundRobin(t *testing.T) {
selector.Tests(t, NewSelector())
r1 := &router.Route{Service: "go.micro.service.foo", Address: "127.0.0.1:8000"}
r2 := &router.Route{Service: "go.micro.service.foo", Address: "127.0.0.1:8001"}
r3 := &router.Route{Service: "go.micro.service.foo", Address: "127.0.0.1:8002"}
r1 := router.Route{Service: "go.micro.service.foo", Address: "127.0.0.1:8000"}
r2 := router.Route{Service: "go.micro.service.foo", Address: "127.0.0.1:8001"}
r3 := router.Route{Service: "go.micro.service.foo", Address: "127.0.0.1:8002"}
sel := NewSelector()
// By passing r1 and r2 first, it forces a set sequence of (r1 => r2 => r3 => r1)
r, err := sel.Select([]*router.Route{r1})
r, err := sel.Select([]router.Route{r1})
assert.Nil(t, err, "Error should be nil")
assert.Equal(t, r1, r, "Expected route to be r1")
assert.Equal(t, r1, *r, "Expected route to be r1")
r, err = sel.Select([]*router.Route{r2})
r, err = sel.Select([]router.Route{r2})
assert.Nil(t, err, "Error should be nil")
assert.Equal(t, r2, r, "Expected route to be r2")
assert.Equal(t, r2, *r, "Expected route to be r2")
// Because r1 and r2 have been recently called, r3 should be chosen
r, err = sel.Select([]*router.Route{r1, r2, r3})
r, err = sel.Select([]router.Route{r1, r2, r3})
assert.Nil(t, err, "Error should be nil")
assert.Equal(t, r3, r, "Expected route to be r3")
assert.Equal(t, r3, *r, "Expected route to be r3")
// r1 was called longest ago, so it should be prioritised
r, err = sel.Select([]*router.Route{r1, r2, r3})
r, err = sel.Select([]router.Route{r1, r2, r3})
assert.Nil(t, err, "Error should be nil")
assert.Equal(t, r1, r, "Expected route to be r1")
assert.Equal(t, r1, *r, "Expected route to be r1")
r, err = sel.Select([]*router.Route{r1, r2, r3})
r, err = sel.Select([]router.Route{r1, r2, r3})
assert.Nil(t, err, "Error should be nil")
assert.Equal(t, r2, r, "Expected route to be r2")
assert.Equal(t, r2, *r, "Expected route to be r2")
r, err = sel.Select([]*router.Route{r1, r2, r3})
r, err = sel.Select([]router.Route{r1, r2, r3})
assert.Nil(t, err, "Error should be nil")
assert.Equal(t, r3, r, "Expected route to be r3")
assert.Equal(t, r3, *r, "Expected route to be r3")
}