From a3dd8cdf8de1a9aacc36fe8cf0f268e69bd8a45d Mon Sep 17 00:00:00 2001
From: Matt Greenfield <matt.greenfield@datadoghq.com>
Date: Fri, 22 Mar 2019 08:32:40 -0600
Subject: Add `namespace_labels` configuration for kubernetes plugin (#2707)

---
 plugin/kubernetes/namespace_test.go | 72 +++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 plugin/kubernetes/namespace_test.go

(limited to 'plugin/kubernetes/namespace_test.go')

diff --git a/plugin/kubernetes/namespace_test.go b/plugin/kubernetes/namespace_test.go
new file mode 100644
index 000000000..d7d2cbcce
--- /dev/null
+++ b/plugin/kubernetes/namespace_test.go
@@ -0,0 +1,72 @@
+package kubernetes
+
+import (
+	"testing"
+)
+
+func TestFilteredNamespaceExists(t *testing.T) {
+	tests := []struct{
+		expected             bool
+		kubernetesNamespaces map[string]struct{}
+		testNamespace        string
+	}{
+		{true, map[string]struct{}{}, "foobar" },
+		{false, map[string]struct{}{}, "nsnoexist" },
+	}
+
+	k := Kubernetes{}
+	k.APIConn = &APIConnServeTest{}
+	for i, test := range tests {
+		k.Namespaces = test.kubernetesNamespaces
+		actual := k.filteredNamespaceExists(test.testNamespace)
+		if actual != test.expected {
+			t.Errorf("Test %d failed. Filtered namespace %s was expected to exist", i, test.testNamespace)
+		}
+	}
+}
+
+func TestNamespaceExposed(t *testing.T) {
+	tests := []struct{
+		expected             bool
+		kubernetesNamespaces map[string]struct{}
+		testNamespace        string
+	}{
+		{true, map[string]struct{}{ "foobar": {} }, "foobar" },
+		{false, map[string]struct{}{ "foobar": {} }, "nsnoexist" },
+		{true, map[string]struct{}{}, "foobar" },
+		{true, map[string]struct{}{}, "nsnoexist" },
+	}
+
+	k := Kubernetes{}
+	k.APIConn = &APIConnServeTest{}
+	for i, test := range tests {
+		k.Namespaces = test.kubernetesNamespaces
+		actual := k.configuredNamespace(test.testNamespace)
+		if actual != test.expected {
+			t.Errorf("Test %d failed. Namespace %s was expected to be exposed", i, test.testNamespace)
+		}
+	}
+}
+
+func TestNamespaceValid(t *testing.T) {
+	tests := []struct{
+		expected             bool
+		kubernetesNamespaces map[string]struct{}
+		testNamespace        string
+	}{
+		{true, map[string]struct{}{ "foobar": {} }, "foobar" },
+		{false, map[string]struct{}{ "foobar": {} }, "nsnoexist" },
+		{true, map[string]struct{}{}, "foobar" },
+		{false, map[string]struct{}{}, "nsnoexist" },
+	}
+
+	k := Kubernetes{}
+	k.APIConn = &APIConnServeTest{}
+	for i, test := range tests {
+		k.Namespaces = test.kubernetesNamespaces
+		actual := k.namespaceExposed(test.testNamespace)
+		if actual != test.expected {
+			t.Errorf("Test %d failed. Namespace %s was expected to be valid", i, test.testNamespace)
+		}
+	}
+}
-- 
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