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|
package rpm
import (
"encoding/json"
"os"
"testing"
)
type VerTest struct {
A string `json:"a"`
B string `json:"b"`
Expect int `json:"expect"`
}
type TestPkg struct {
E int
V string
R string
}
func (c *TestPkg) Name() string { return "test" }
func (c *TestPkg) Epoch() int { return c.E }
func (c *TestPkg) Version() string { return c.V }
func (c *TestPkg) Release() string { return c.R }
func sign(r int) string {
if r < 0 {
return "<"
} else if r > 0 {
return ">"
}
return "=="
}
func TestCompare(t *testing.T) {
tests := make([]*VerTest, 0)
f, err := os.Open("./testdata/vercmp.json")
if err != nil {
t.Fatal(err)
}
defer f.Close()
if err := json.NewDecoder(f).Decode(&tests); err != nil {
t.Fatal(err)
}
if len(tests) == 0 {
t.Fatal("version tests are empty")
}
for _, test := range tests {
// compare 'version'
a := &TestPkg{0, test.A, ""}
b := &TestPkg{0, test.B, ""}
if r := Compare(a, b); r != test.Expect {
t.Errorf(
"Expected %s %s %s; got %s %s %s",
test.A,
sign(test.Expect),
test.B,
test.A,
sign(r),
test.B,
)
}
// compare 'release'
a = &TestPkg{0, "", test.A}
b = &TestPkg{0, "", test.B}
if r := Compare(a, b); r != test.Expect {
t.Errorf(
"Expected %s %s %s; got %s %s %s",
test.A,
sign(test.Expect),
test.B,
test.A,
sign(r),
test.B,
)
}
}
if r := Compare(nil, nil); r != 0 {
t.Errorf("Expected <nil> == <nil>; got <nil> %s <nil>", sign(r))
}
if r := Compare(nil, &TestPkg{1, "", ""}); r != -1 {
t.Errorf("Expected <nil> < <nil>; got <nil> %s <nil>", sign(r))
}
if r := Compare(&TestPkg{1, "", ""}, nil); r != 1 {
t.Errorf("Expected <nil> > <nil>; got <nil> %s <nil>", sign(r))
}
}
|
