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|
package setup
import (
"strings"
"testing"
)
/*
kubernetes coredns.local {
# Use url for k8s API endpoint
endpoint http://localhost:8080
# Assemble k8s record names with the template
template {service}.{namespace}.{zone}
# Only expose the k8s namespace "demo"
#namespaces demo
}
*/
func TestKubernetesParse(t *testing.T) {
tests := []struct {
input string
shouldErr bool
expectedErrContent string // substring from the expected error. Empty for positive cases.
expectedZoneCount int // expected count of defined zones. '-1' for negative cases.
expectedNTValid bool // NameTemplate to be initialized and valid
expectedNSCount int // expected count of namespaces. '-1' for negative cases.
}{
// positive
// TODO: not specifiying a zone maybe should error out.
{
`kubernetes`,
false,
"",
0,
true,
0,
},
{
`kubernetes coredns.local`,
false,
"",
1,
true,
0,
},
{
`kubernetes coredns.local test.local`,
false,
"",
2,
true,
0,
},
{
`kubernetes coredns.local {
endpoint http://localhost:9090
}`,
false,
"",
1,
true,
0,
},
{
`kubernetes coredns.local {
template {service}.{namespace}.{zone}
}`,
false,
"",
1,
true,
0,
},
{
`kubernetes coredns.local {
namespaces demo
}`,
false,
"",
1,
true,
1,
},
{
`kubernetes coredns.local {
namespaces demo test
}`,
false,
"",
1,
true,
2,
},
// negative
{
`kubernetes coredns.local {
endpoint
}`,
true,
"Wrong argument count or unexpected line ending after 'endpoint'",
-1,
true,
-1,
},
// No template provided for template line.
{
`kubernetes coredns.local {
template
}`,
true,
"",
-1,
false,
-1,
},
// Invalid template provided
{
`kubernetes coredns.local {
template {namespace}.{zone}
}`,
true,
"",
-1,
false,
-1,
},
/*
// No valid provided for namespaces
{
`kubernetes coredns.local {
namespaces
}`,
true,
"",
-1,
true,
-1,
},
*/
}
for i, test := range tests {
c := NewTestController(test.input)
k8sController, err := kubernetesParse(c)
t.Logf("i: %v\n", i)
t.Logf("controller: %v\n", k8sController)
if test.shouldErr && err == nil {
t.Errorf("Test %d: Expected error, but found one for input '%s'. Error was: '%v'", i, test.input, err)
}
if err != nil {
if !test.shouldErr {
t.Errorf("Test %d: Expected no error but found one for input %s. Error was: %v", i, test.input, err)
}
if test.shouldErr && (len(test.expectedErrContent) < 1) {
t.Fatalf("Test %d: Test marked as expecting an error, but no expectedErrContent provided for input '%s'. Error was: '%v'", i, test.input, err)
}
if test.shouldErr && (test.expectedZoneCount >= 0) {
t.Fatalf("Test %d: Test marked as expecting an error, but provides value for expectedZoneCount!=-1 for input '%s'. Error was: '%v'", i, test.input, err)
}
if !strings.Contains(err.Error(), test.expectedErrContent) {
t.Errorf("Test %d: Expected error to contain: %v, found error: %v, input: %s", i, test.expectedErrContent, err, test.input)
}
return
}
// No error was raised, so validate initialization of k8sController
// Zones
foundZoneCount := len(k8sController.Zones)
if foundZoneCount != test.expectedZoneCount {
t.Errorf("Test %d: Expected kubernetes controller to be initialized with %d zones, instead found %d zones: '%v' for input '%s'", i, test.expectedZoneCount, foundZoneCount, k8sController.Zones, test.input)
}
// NameTemplate
if k8sController.NameTemplate == nil {
t.Errorf("Test %d: Expected kubernetes controller to be initialized with a NameTemplate. Instead found '%v' for input '%s'", i, k8sController.NameTemplate, test.input)
} else {
foundNTValid := k8sController.NameTemplate.IsValid()
if foundNTValid != test.expectedNTValid {
t.Errorf("Test %d: Expected NameTemplate validity to be '%v', instead found '%v' for input '%s'", i, test.expectedNTValid, foundNTValid, test.input)
}
}
// Namespaces
foundNSCount := len(k8sController.Namespaces)
if foundNSCount != test.expectedNSCount {
t.Errorf("Test %d: Expected kubernetes controller to be initialized with %d namespaces. Instead found %d namespaces: '%v' for input '%s'", i, test.expectedNSCount, foundNSCount, k8sController.Namespaces, test.input)
}
}
}
|
