fix: absolute chart path (#753)

Resolves #743

pkg/state/util_test.go

@@ -27,6 +27,10 @@ func TestIsLocalChart(t *testing.T) {
 			input:    "./charts/mysubsystem/myapp",
 			expected: true,
 		},
+		{
+			input:    "/charts/mysubsystem/myapp",
+			expected: true,
+		},
 		{
 			// Regression test case for:
 			// * https://github.com/roboll/helmfile/issues/675
@@ -80,6 +84,10 @@ func TestResolveRemortChart(t *testing.T) {
 			input:  "./charts/mysubsystem/myapp",
 			remote: false,
 		},
+		{
+			input:  "/charts/mysubsystem/myapp",
+			remote: false,
+		},
 		{
 			// Regression test case for:
 			// * https://github.com/roboll/helmfile/issues/675
@@ -111,3 +119,29 @@ func TestResolveRemortChart(t *testing.T) {
 		}
 	}
 }
+
+func TestNormalizeChart(t *testing.T) {
+	testcases := []struct {
+		input    string
+		expected string
+	}{
+		{
+			input:    "mychart",
+			expected: "/path/to/mychart",
+		},
+		{
+			input:    "/charts/mychart",
+			expected: "/charts/mychart",
+		},
+	}
+
+	for i := range testcases {
+		testcase := testcases[i]
+
+		actual := normalizeChart("/path/to", testcase.input)
+
+		if testcase.expected != actual {
+			t.Fatalf("unexpected result: normalizeChart(\"/path/to\", \"%s\"): expected=%v, got=%v", testcase.input, testcase.expected, actual)
+		}
+	}
+}