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package util
import (
"os"
"strconv"
"testing"
"github.com/containers/common/pkg/config"
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/stretchr/testify/assert"
)
func TestMergeEnv(t *testing.T) {
tests := [][3][]string{
{
[]string{"A=B", "B=C", "C=D"},
nil,
[]string{"A=B", "B=C", "C=D"},
},
{
nil,
[]string{"A=B", "B=C", "C=D"},
[]string{"A=B", "B=C", "C=D"},
},
{
[]string{"A=B", "B=C", "C=D", "E=F"},
[]string{"B=O", "F=G"},
[]string{"A=B", "B=O", "C=D", "E=F", "F=G"},
},
}
for i, test := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
result := MergeEnv(test[0], test[1])
if len(result) != len(test[2]) {
t.Fatalf("expected %v, got %v", test[2], result)
}
for i := range result {
if result[i] != test[2][i] {
t.Fatalf("expected %v, got %v", test[2], result)
}
}
})
}
}
func TestRuntime(t *testing.T) {
os.Setenv("CONTAINERS_CONF", "/dev/null")
conf, _ := config.Default()
defaultRuntime := conf.Engine.OCIRuntime
runtime := Runtime()
if runtime != defaultRuntime {
t.Fatalf("expected %v, got %v", runtime, defaultRuntime)
}
defaultRuntime = "myoci"
os.Setenv("BUILDAH_RUNTIME", defaultRuntime)
runtime = Runtime()
if runtime != defaultRuntime {
t.Fatalf("expected %v, got %v", runtime, defaultRuntime)
}
}
func TestMountsSort(t *testing.T) {
mounts1a := []specs.Mount{
{
Source: "/a/bb/c",
Destination: "/a/bb/c",
},
{
Source: "/a/b/c",
Destination: "/a/b/c",
},
{
Source: "/a",
Destination: "/a",
},
{
Source: "/a/b",
Destination: "/a/b",
},
{
Source: "/d/e",
Destination: "/a/c",
},
{
Source: "/b",
Destination: "/b",
},
{
Source: "/",
Destination: "/",
},
{
Source: "/a/b/c",
Destination: "/aa/b/c",
},
}
mounts1b := []string{
"/",
"/a",
"/b",
"/a/b",
"/a/c",
"/a/b/c",
"/a/bb/c",
"/aa/b/c",
}
sorted := SortMounts(mounts1a)
sortedDests := make([]string, len(mounts1a))
for i := range sorted {
sortedDests[i] = sorted[i].Destination
}
assert.Equalf(t, mounts1b, sortedDests, "sort returned results in unexpected by-destination order")
}
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