test: add tests to validate helm ranges (#4047) (#13662)

Signed-off-by: Brett Lentz <brett.lentz@analog.com>
Co-authored-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

util/helm/index_test.go

@@ -9,7 +9,7 @@ import (
 
 var index = Index{
 	Entries: map[string]Entries{
-		"argo-cd": {
+                "argo-cd": {
 			{Version: "~0.7.3"},
 			{Version: "0.7.2"},
 			{Version: "0.7.1"},
@@ -57,4 +57,28 @@ func TestEntries_MaxVersion(t *testing.T) {
 		assert.NoError(t, err)
 		assert.Equal(t, semver.MustParse("0.7.2"), version)
 	})
+	t.Run("Constraint", func(t *testing.T) {
+		constraints, _ := semver.NewConstraint("> 0.0.0")
+		version, err := entries.MaxVersion(constraints)
+		assert.NoError(t, err)
+		assert.Equal(t, semver.MustParse("0.7.2"), version)
+	})
+	t.Run("Constraint", func(t *testing.T) {
+		constraints, _ := semver.NewConstraint(">0.5.0,<0.7.0")
+		version, err := entries.MaxVersion(constraints)
+		assert.NoError(t, err)
+		assert.Equal(t, semver.MustParse("0.5.4"), version)
+	})
+	t.Run("Constraint", func(t *testing.T) {
+		constraints, _ := semver.NewConstraint("0.7.*")
+		version, err := entries.MaxVersion(constraints)
+		assert.NoError(t, err)
+		assert.Equal(t, semver.MustParse("0.7.2"), version)
+	})
+	t.Run("Constraint", func(t *testing.T) {
+		constraints, _ := semver.NewConstraint("*")
+		version, err := entries.MaxVersion(constraints)
+		assert.NoError(t, err)
+		assert.Equal(t, semver.MustParse("0.7.2"), version)
+	})
 }