Files
fission-src/pkg/utils/namespace_test.go

327 lines
9.9 KiB
Go

package utils
import (
"os"
"reflect"
"testing"
)
func TestNamespaceResolver(t *testing.T) {
t.Run("GetBuilderNS", func(t *testing.T) {
for _, test := range []struct {
name string
namespaceResolver *NamespaceResolver
namespace string
expected string
}{
{
name: "should return fission-builder namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "fission-function", "default"),
namespace: "default",
expected: "fission-builder",
},
{
name: "should return testns2 namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "fission-function", "default"),
namespace: "testns2",
expected: "testns2",
},
{
name: "should return fission-builder namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "", "default"),
namespace: "default",
expected: "fission-builder",
},
{
name: "should return testns3 namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "", "testns"),
namespace: "testns3",
expected: "testns3",
},
{
name: "should return testns4 namespace",
namespaceResolver: getFissionNamespaces("", "fission-function", "default"),
namespace: "testns4",
expected: "testns4",
},
{
name: "should return testns5 namespace",
namespaceResolver: getFissionNamespaces("", "fission-function", "testns"),
namespace: "testns5",
expected: "testns5",
},
{
name: "should return default namespace",
namespaceResolver: getFissionNamespaces("", "", "default"),
namespace: "default",
expected: "default",
},
{
name: "should return testns6 namespace",
namespaceResolver: getFissionNamespaces("", "", "default"),
namespace: "testns6",
expected: "testns6",
},
{
name: "should return testns7 namespace",
namespaceResolver: getFissionNamespaces("", "", ""),
namespace: "testns7",
expected: "testns7",
},
} {
t.Run(test.name, func(t *testing.T) {
ns := test.namespaceResolver.GetBuilderNS(test.namespace)
if ns != test.expected {
t.Errorf("expected builder namespace %s, got %s", test.expected, ns)
}
})
}
})
t.Run("GetFunctionNS", func(t *testing.T) {
for _, test := range []struct {
name string
namespaceResolver *NamespaceResolver
namespace string
expected string
}{
{
name: "should return fission-function namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "fission-function", "default"),
namespace: "default",
expected: "fission-function",
},
{
name: "should return testns2 namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "fission-function", "default"),
namespace: "testns2",
expected: "testns2",
},
{
name: "should return fission-function namespace",
namespaceResolver: getFissionNamespaces("", "fission-function", "default"),
namespace: "default",
expected: "fission-function",
},
{
name: "should return testns3 namespace",
namespaceResolver: getFissionNamespaces("", "fission-function", "testns"),
namespace: "testns3",
expected: "testns3",
},
{
name: "should return testns4 namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "", "default"),
namespace: "testns4",
expected: "testns4",
},
{
name: "should return testns5 namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "", "testns"),
namespace: "testns5",
expected: "testns5",
},
{
name: "should return default namespace",
namespaceResolver: getFissionNamespaces("", "", "default"),
namespace: "default",
expected: "default",
},
{
name: "should return testns6 namespace",
namespaceResolver: getFissionNamespaces("", "", "default"),
namespace: "testns6",
expected: "testns6",
},
{
name: "should return testns7 namespace",
namespaceResolver: getFissionNamespaces("", "", ""),
namespace: "testns7",
expected: "testns7",
},
} {
t.Run(test.name, func(t *testing.T) {
ns := test.namespaceResolver.GetFunctionNS(test.namespace)
if ns != test.expected {
t.Errorf("expected function namespace %s, got %s", test.expected, ns)
}
})
}
})
t.Run("ResolveNamespace", func(t *testing.T) {
for _, test := range []struct {
name string
namespaceResolver *NamespaceResolver
namespace string
expected string
}{
{
name: "should return testns namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "fission-function", "default"),
namespace: "testns",
expected: "testns",
},
{
name: "should return default namespace",
namespaceResolver: getFissionNamespaces("fission-builder", "", "default"),
namespace: "testns",
expected: "default",
},
} {
t.Run(test.name, func(t *testing.T) {
ns := test.namespaceResolver.ResolveNamespace(test.namespace)
if ns != test.expected {
t.Errorf("expected function namespace %s, got %s", test.expected, ns)
}
})
}
})
t.Run("Snapshot returns stable copy", func(t *testing.T) {
nsr := &NamespaceResolver{
FissionResourceNS: map[string]string{
"ns-b": "ns-b",
"ns-a": "ns-a",
},
}
snapshot := nsr.Snapshot()
expected := []string{"ns-a", "ns-b"}
if !reflect.DeepEqual(expected, snapshot) {
t.Fatalf("expected snapshot %v, got %v", expected, snapshot)
}
snapshot[0] = "mutated"
if nsr.FissionResourceNS["ns-a"] != "ns-a" {
t.Fatalf("snapshot mutated internal namespace map")
}
})
t.Run("SnapshotWithOptions includes expanded namespaces once", func(t *testing.T) {
nsr := &NamespaceResolver{
FunctionNamespace: "fn-ns",
BuilderNamespace: "builder-ns",
DefaultNamespace: "default",
FissionResourceNS: map[string]string{
"default": "default",
"user-ns": "user-ns",
},
}
snapshot := nsr.SnapshotWithOptions(WithBuilderNs(), WithFunctionNs(), WithDefaultNs())
expected := []string{"builder-ns", "default", "fn-ns", "user-ns"}
if !reflect.DeepEqual(expected, snapshot) {
t.Fatalf("expected snapshot with options %v, got %v", expected, snapshot)
}
})
t.Run("managed namespace label helpers", func(t *testing.T) {
if ManagedNamespaceLabelSelector() != "fission.io/managed=true" {
t.Fatalf("unexpected managed namespace selector: %s", ManagedNamespaceLabelSelector())
}
if !IsManagedNamespace(map[string]string{ManagedNamespaceLabelKey: ManagedNamespaceLabelValue}) {
t.Fatalf("expected managed namespace to be detected")
}
if IsManagedNamespace(map[string]string{ManagedNamespaceLabelKey: "false"}) {
t.Fatalf("expected non-managed namespace to be rejected")
}
})
t.Run("getNamespace", func(t *testing.T) {
for _, test := range []struct {
name string
defaultNamespace string
additionalNamespace string
expected int
}{
{
name: "length of namespaces should be 1",
defaultNamespace: "",
additionalNamespace: "",
expected: 1,
},
{
name: "length of namespaces should be 1",
defaultNamespace: "default",
additionalNamespace: "",
expected: 1,
},
{
name: "length of namespaces should be 1",
defaultNamespace: "default",
additionalNamespace: "default",
expected: 1,
},
{
name: "length of namespaces should be 3",
defaultNamespace: "default",
additionalNamespace: "testns1,testns2",
expected: 3,
},
} {
t.Run(test.name, func(t *testing.T) {
err := setNamespace(test.defaultNamespace, test.additionalNamespace)
if err != nil {
t.Fatalf("error setting environment Variable %s", err.Error())
}
ns := GetNamespaces()
if test.expected != len(ns) {
t.Errorf("expected length of namespace %d, got %d", test.expected, len(ns))
}
})
}
})
}
func TestServiceAccountResolveSANamespace(t *testing.T) {
sa := &ServiceAccount{
nsResolver: &NamespaceResolver{
FunctionNamespace: "fission-function",
BuilderNamespace: "fission-builder",
DefaultNamespace: "default",
},
}
t.Run("fetcher uses function namespace for default ns", func(t *testing.T) {
resolvedNS := sa.resolveSANamespace("default", FetcherSAName)
if resolvedNS != "fission-function" {
t.Fatalf("expected function namespace, got %s", resolvedNS)
}
})
t.Run("builder uses builder namespace for default ns", func(t *testing.T) {
resolvedNS := sa.resolveSANamespace("default", BuilderSAName)
if resolvedNS != "fission-builder" {
t.Fatalf("expected builder namespace, got %s", resolvedNS)
}
})
t.Run("builder keeps tenant namespace unchanged", func(t *testing.T) {
resolvedNS := sa.resolveSANamespace("tenant-a", BuilderSAName)
if resolvedNS != "tenant-a" {
t.Fatalf("expected tenant namespace, got %s", resolvedNS)
}
})
}
func getFissionNamespaces(builderNS, functionNS, defaultNS string) *NamespaceResolver {
return &NamespaceResolver{
FunctionNamespace: functionNS,
BuilderNamespace: builderNS,
DefaultNamespace: defaultNS,
}
}
func setNamespace(defaultNamespace string, additionalNamespace string) error {
err := os.Setenv(ENV_DEFAULT_NAMESPACE, defaultNamespace)
if err != nil {
return err
}
err = os.Setenv(ENV_ADDITIONAL_NAMESPACE, additionalNamespace)
if err != nil {
return err
}
return nil
}