From fcc4a58617ea27a061f445b576e3fafc91ad6998 Mon Sep 17 00:00:00 2001
From: Azriel Hoh <azriel91@gmail.com>
Date: Mon, 22 Oct 2018 09:40:16 +1300
Subject: Implemented deserialization for external enums.

Issue #225
---
 tests/enum_external_deserialize.rs | 153 +++++++++++++++++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 tests/enum_external_deserialize.rs

(limited to 'tests')

diff --git a/tests/enum_external_deserialize.rs b/tests/enum_external_deserialize.rs
new file mode 100644
index 0000000..76e7a4c
--- /dev/null
+++ b/tests/enum_external_deserialize.rs
@@ -0,0 +1,153 @@
+#[macro_use]
+extern crate serde_derive;
+extern crate toml;
+
+#[derive(Debug, Deserialize, PartialEq)]
+enum TheEnum {
+    Plain,
+    Tuple(i64, bool),
+    NewType(String),
+    Struct { value: i64 },
+}
+
+#[derive(Debug, Deserialize, PartialEq)]
+struct Val {
+    val: TheEnum,
+}
+
+#[derive(Debug, Deserialize, PartialEq)]
+struct Multi {
+    enums: Vec<TheEnum>,
+}
+
+mod enum_unit {
+    use super::*;
+
+    #[test]
+    fn from_str() {
+        assert_eq!(TheEnum::Plain, toml::from_str("\"Plain\"").unwrap());
+    }
+
+    #[test]
+    fn from_inline_table() {
+        assert_eq!(TheEnum::Plain, toml::from_str("{ Plain = {} }").unwrap());
+        assert_eq!(
+            Val {
+                val: TheEnum::Plain
+            },
+            toml::from_str("val = { Plain = {} }").unwrap()
+        );
+    }
+
+    #[test]
+    fn from_dotted_table() {
+        assert_eq!(TheEnum::Plain, toml::from_str("[Plain]\n").unwrap());
+    }
+}
+
+mod enum_tuple {
+    use super::*;
+
+    #[test]
+    fn from_inline_table() {
+        assert_eq!(
+            TheEnum::Tuple(-123, true),
+            toml::from_str("{ Tuple = { 0 = -123, 1 = true } }").unwrap()
+        );
+        assert_eq!(
+            Val {
+                val: TheEnum::Tuple(-123, true)
+            },
+            toml::from_str("val = { Tuple = { 0 = -123, 1 = true } }").unwrap()
+        );
+    }
+
+    #[test]
+    fn from_dotted_table() {
+        assert_eq!(
+            TheEnum::Tuple(-123, true),
+            toml::from_str(
+                r#"[Tuple]
+                0 = -123
+                1 = true
+                "#
+            )
+            .unwrap()
+        );
+    }
+}
+
+mod enum_newtype {
+    use super::*;
+
+    #[test]
+    fn from_inline_table() {
+        assert_eq!(
+            TheEnum::NewType("value".to_string()),
+            toml::from_str(r#"{ NewType = "value" }"#).unwrap()
+        );
+        assert_eq!(
+            Val {
+                val: TheEnum::NewType("value".to_string()),
+            },
+            toml::from_str(r#"val = { NewType = "value" }"#).unwrap()
+        );
+    }
+}
+
+mod enum_struct {
+    use super::*;
+
+    #[test]
+    fn from_inline_table() {
+        assert_eq!(
+            TheEnum::Struct { value: -123 },
+            toml::from_str("{ Struct = { value = -123 } }").unwrap()
+        );
+        assert_eq!(
+            Val {
+                val: TheEnum::Struct { value: -123 }
+            },
+            toml::from_str("val = { Struct = { value = -123 } }").unwrap()
+        );
+    }
+
+    #[test]
+    fn from_dotted_table() {
+        assert_eq!(
+            TheEnum::Struct { value: -123 },
+            toml::from_str(
+                r#"[Struct]
+                value = -123
+                "#
+            )
+            .unwrap()
+        );
+    }
+}
+
+mod enum_array {
+    use super::*;
+
+    #[test]
+    fn from_inline_tables() {
+        let toml_str = r#"
+            enums = [
+                { Plain = {} },
+                { Tuple = { 0 = -123, 1 = true } },
+                { NewType = "value" },
+                { Struct = { value = -123 } }
+            ]"#;
+        assert_eq!(
+            Multi {
+                enums: vec![
+                    TheEnum::Plain,
+                    TheEnum::Tuple(-123, true),
+                    TheEnum::NewType("value".to_string()),
+                    TheEnum::Struct { value: -123 },
+                ]
+            },
+            toml::from_str(toml_str).unwrap()
+        );
+    }
+}
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