add upsert env test & tuncate strings

Signed-off-by: zhaque44 <[email protected]>

Author: zhaque44

internal/utils/utils_test.go

@@ -0,0 +1,68 @@
+package utils
+
+import (
+	"testing"
+
+	promoterv1alpha1 "github.com/argoproj-labs/gitops-promoter/api/v1alpha1"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestTruncateString(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		length   int
+		expected string
+	}{
+		{"Empty string", "", 5, ""},
+		{"Short string", "abc", 5, "abc"},
+		{"Exact length", "abcde", 5, "abcde"},
+		{"Truncated string", "abcdef", 5, "abcde"},
+		{"Negative length", "abcdef", -1, ""},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := TruncateString(tt.input, tt.length)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestUpsertEnvironmentStatus(t *testing.T) {
+	tests := []struct {
+		name     string
+		initial  []promoterv1alpha1.EnvironmentStatus
+		insert   promoterv1alpha1.EnvironmentStatus
+		expected []promoterv1alpha1.EnvironmentStatus
+	}{
+		{
+			name:     "Upsert on empty slice",
+			initial:  []promoterv1alpha1.EnvironmentStatus{},
+			insert:   promoterv1alpha1.EnvironmentStatus{Branch: "main"},
+			expected: []promoterv1alpha1.EnvironmentStatus{{Branch: "main"}},
+		},
+		{
+			name:     "Append new element",
+			initial:  []promoterv1alpha1.EnvironmentStatus{{Branch: "main"}},
+			insert:   promoterv1alpha1.EnvironmentStatus{Branch: "dev"},
+			expected: []promoterv1alpha1.EnvironmentStatus{{Branch: "main"}, {Branch: "dev"}},
+		},
+		{
+			name:     "Edge case with one element",
+			initial:  []promoterv1alpha1.EnvironmentStatus{{Branch: "main"}},
+			insert:   promoterv1alpha1.EnvironmentStatus{Branch: "dev"},
+			expected: []promoterv1alpha1.EnvironmentStatus{{Branch: "main"}, {Branch: "dev"}},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Call the function under test
+			result := UpsertEnvironmentStatus(tt.initial, tt.insert)
+
+			// Assert the result matches the expected value using testify assert
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}