test: add unit test for EnvVarExists

Author: CheyuWu

ray-operator/apis/ray/v1/utils_test.go

@@ -0,0 +1,50 @@
+package v1
+
+import (
+	"testing"
+
+	corev1 "k8s.io/api/core/v1"
+)
+
+func TestEnvVarExists(t *testing.T) {
+	tests := []struct {
+		name     string
+		envName  string
+		envVars  []corev1.EnvVar
+		expected bool
+	}{
+		{
+			name:    "env var exists",
+			envName: "EXISTING_ENV",
+			envVars: []corev1.EnvVar{
+				{Name: "EXISTING_ENV", Value: "value1"},
+				{Name: "ANOTHER_ENV", Value: "value2"},
+			},
+			expected: true,
+		},
+		{
+			name:    "env var does not exist",
+			envName: "NON_EXISTING_ENV",
+			envVars: []corev1.EnvVar{
+				{Name: "EXISTING_ENV", Value: "value1"},
+				{Name: "ANOTHER_ENV", Value: "value2"},
+			},
+			expected: false,
+		},
+		{
+			name:     "empty env vars",
+			envName:  "ANY_ENV",
+			envVars:  []corev1.EnvVar{},
+			expected: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := EnvVarExists(tt.envName, tt.envVars)
+			if result != tt.expected {
+				t.Errorf("EnvVarExists(%s, %v) = %v; expected %v", tt.envName, tt.envVars, result, tt.expected)
+			}
+		})
+	}
+}