test(easy): Port toml-rs macro test (toml-rs#193)

tests/macros.rs

@@ -0,0 +1,371 @@
+#![cfg(feature = "easy")]
+#![recursion_limit = "256"]
+
+use std::f64;
+
+macro_rules! table {
+    ($($key:expr => $value:expr,)*) => {{
+        // https://github.com/rust-lang/rust/issues/60643
+        #[allow(unused_mut)]
+        let mut table = toml_edit::easy::value::Table::new();
+        $(
+            table.insert($key.to_string(), $value.into());
+        )*
+        toml_edit::easy::Value::Table(table)
+    }};
+}
+
+macro_rules! array {
+    ($($element:expr,)*) => {{
+        #![allow(clippy::vec_init_then_push)]
+
+        // https://github.com/rust-lang/rust/issues/60643
+        #[allow(unused_mut)]
+        let mut array = toml_edit::easy::value::Array::new();
+        $(
+            array.push($element.into());
+        )*
+        toml_edit::easy::Value::Array(array)
+    }};
+}
+
+macro_rules! datetime {
+    ($s:tt) => {
+        $s.parse::<toml_edit::easy::value::Datetime>().unwrap()
+    };
+}
+
+#[test]
+fn test_cargo_toml() {
+    // Simple sanity check of:
+    //
+    //   - Ordinary tables
+    //   - Inline tables
+    //   - Inline arrays
+    //   - String values
+    //   - Table keys containing hyphen
+    //   - Table headers containing hyphen
+    let actual = toml_edit::easy::toml! {
+        [package]
+        name = "toml"
+        version = "0.4.5"
+        authors = ["Alex Crichton <[email protected]>"]
+
+        [badges]
+        travis-ci = { repository = "alexcrichton/toml-rs" }
+
+        [dependencies]
+        serde = "1.0"
+
+        [dev-dependencies]
+        serde_derive = "1.0"
+        serde_json = "1.0"
+    };
+
+    let expected = table! {
+        "package" => table! {
+            "name" => "toml".to_owned(),
+            "version" => "0.4.5".to_owned(),
+            "authors" => array! {
+                "Alex Crichton <[email protected]>".to_owned(),
+            },
+        },
+        "badges" => table! {
+            "travis-ci" => table! {
+                "repository" => "alexcrichton/toml-rs".to_owned(),
+            },
+        },
+        "dependencies" => table! {
+            "serde" => "1.0".to_owned(),
+        },
+        "dev-dependencies" => table! {
+            "serde_derive" => "1.0".to_owned(),
+            "serde_json" => "1.0".to_owned(),
+        },
+    };
+
+    assert_eq!(actual, expected);
+}
+
+#[test]
+fn test_array() {
+    // Copied from the TOML spec.
+    let actual = toml_edit::easy::toml! {
+        [[fruit]]
+        name = "apple"
+
+        [fruit.physical]
+        color = "red"
+        shape = "round"
+
+        [[fruit.variety]]
+        name = "red delicious"
+
+        [[fruit.variety]]
+        name = "granny smith"
+
+        [[fruit]]
+        name = "banana"
+
+        [[fruit.variety]]
+        name = "plantain"
+    };
+
+    let expected = table! {
+        "fruit" => array! {
+            table! {
+                "name" => "apple",
+                "physical" => table! {
+                    "color" => "red",
+                    "shape" => "round",
+                },
+                "variety" => array! {
+                    table! {
+                        "name" => "red delicious",
+                    },
+                    table! {
+                        "name" => "granny smith",
+                    },
+                },
+            },
+            table! {
+                "name" => "banana",
+                "variety" => array! {
+                    table! {
+                        "name" => "plantain",
+                    },
+                },
+            },
+        },
+    };
+
+    assert_eq!(actual, expected);
+}
+
+#[test]
+fn test_number() {
+    #![allow(clippy::unusual_byte_groupings)]
+    #![allow(clippy::approx_constant)]
+
+    let actual = toml_edit::easy::toml! {
+        positive = 1
+        negative = -1
+        table = { positive = 1, negative = -1 }
+        array = [ 1, -1 ]
+        neg_zero = -0
+        pos_zero = +0
+        float = 3.14
+
+        sf1 = inf
+        sf2 = +inf
+        sf3 = -inf
+        sf7 = +0.0
+        sf8 = -0.0
+
+        hex = 0xa_b_c
+        oct = 0o755
+        bin = 0b11010110
+    };
+
+    let expected = table! {
+        "positive" => 1,
+        "negative" => -1,
+        "table" => table! {
+            "positive" => 1,
+            "negative" => -1,
+        },
+        "array" => array! {
+            1,
+            -1,
+        },
+        "neg_zero" => -0,
+        "pos_zero" => 0,
+        "float" => 3.14,
+        "sf1" => f64::INFINITY,
+        "sf2" => f64::INFINITY,
+        "sf3" => f64::NEG_INFINITY,
+        "sf7" => 0.0,
+        "sf8" => -0.0,
+        "hex" => 2748,
+        "oct" => 493,
+        "bin" => 214,
+    };
+
+    assert_eq!(actual, expected);
+}
+
+#[test]
+fn test_nan() {
+    let actual = toml_edit::easy::toml! {
+        sf4 = nan
+        sf5 = +nan
+        sf6 = -nan
+    };
+    assert!(actual["sf4"].as_float().unwrap().is_nan());
+    assert!(actual["sf5"].as_float().unwrap().is_nan());
+    assert!(actual["sf6"].as_float().unwrap().is_nan());
+}
+
+#[test]
+fn test_datetime() {
+    let actual = toml_edit::easy::toml! {
+        // Copied from the TOML spec.
+        odt1 = 1979-05-27T07:32:00Z
+        odt2 = 1979-05-27T00:32:00-07:00
+        odt3 = 1979-05-27T00:32:00.999999-07:00
+        odt4 = 1979-05-27 07:32:00Z
+        ldt1 = 1979-05-27T07:32:00
+        ldt2 = 1979-05-27T00:32:00.999999
+        ld1 = 1979-05-27
+        lt1 = 07:32:00
+        lt2 = 00:32:00.999999
+
+        table = {
+            odt1 = 1979-05-27T07:32:00Z,
+            odt2 = 1979-05-27T00:32:00-07:00,
+            odt3 = 1979-05-27T00:32:00.999999-07:00,
+            odt4 = 1979-05-27 07:32:00Z,
+            ldt1 = 1979-05-27T07:32:00,
+            ldt2 = 1979-05-27T00:32:00.999999,
+            ld1 = 1979-05-27,
+            lt1 = 07:32:00,
+            lt2 = 00:32:00.999999,
+        }
+
+        array = [
+            1979-05-27T07:32:00Z,
+            1979-05-27T00:32:00-07:00,
+            1979-05-27T00:32:00.999999-07:00,
+            1979-05-27 07:32:00Z,
+            1979-05-27T07:32:00,
+            1979-05-27T00:32:00.999999,
+            1979-05-27,
+            07:32:00,
+            00:32:00.999999,
+        ]
+    };
+
+    let expected = table! {
+        "odt1" => datetime!("1979-05-27T07:32:00Z"),
+        "odt2" => datetime!("1979-05-27T00:32:00-07:00"),
+        "odt3" => datetime!("1979-05-27T00:32:00.999999-07:00"),
+        "odt4" => datetime!("1979-05-27 07:32:00Z"),
+        "ldt1" => datetime!("1979-05-27T07:32:00"),
+        "ldt2" => datetime!("1979-05-27T00:32:00.999999"),
+        "ld1" => datetime!("1979-05-27"),
+        "lt1" => datetime!("07:32:00"),
+        "lt2" => datetime!("00:32:00.999999"),
+
+        "table" => table! {
+            "odt1" => datetime!("1979-05-27T07:32:00Z"),
+            "odt2" => datetime!("1979-05-27T00:32:00-07:00"),
+            "odt3" => datetime!("1979-05-27T00:32:00.999999-07:00"),
+            "odt4" => datetime!("1979-05-27 07:32:00Z"),
+            "ldt1" => datetime!("1979-05-27T07:32:00"),
+            "ldt2" => datetime!("1979-05-27T00:32:00.999999"),
+            "ld1" => datetime!("1979-05-27"),
+            "lt1" => datetime!("07:32:00"),
+            "lt2" => datetime!("00:32:00.999999"),
+        },
+
+        "array" => array! {
+            datetime!("1979-05-27T07:32:00Z"),
+            datetime!("1979-05-27T00:32:00-07:00"),
+            datetime!("1979-05-27T00:32:00.999999-07:00"),
+            datetime!("1979-05-27 07:32:00Z"),
+            datetime!("1979-05-27T07:32:00"),
+            datetime!("1979-05-27T00:32:00.999999"),
+            datetime!("1979-05-27"),
+            datetime!("07:32:00"),
+            datetime!("00:32:00.999999"),
+        },
+    };
+
+    assert_eq!(actual, expected);
+}
+
+// This test requires rustc >= 1.20.
+#[test]
+fn test_quoted_key() {
+    let actual = toml_edit::easy::toml! {
+        "quoted" = true
+        table = { "quoted" = true }
+
+        [target."cfg(windows)".dependencies]
+        winapi = "0.2.8"
+    };
+
+    let expected = table! {
+        "quoted" => true,
+        "table" => table! {
+            "quoted" => true,
+        },
+        "target" => table! {
+            "cfg(windows)" => table! {
+                "dependencies" => table! {
+                    "winapi" => "0.2.8",
+                },
+            },
+        },
+    };
+
+    assert_eq!(actual, expected);
+}
+
+#[test]
+fn test_empty() {
+    let actual = toml_edit::easy::toml! {
+        empty_inline_table = {}
+        empty_inline_array = []
+
+        [empty_table]
+
+        [[empty_array]]
+    };
+
+    let expected = table! {
+        "empty_inline_table" => table! {},
+        "empty_inline_array" => array! {},
+        "empty_table" => table! {},
+        "empty_array" => array! {
+            table! {},
+        },
+    };
+
+    assert_eq!(actual, expected);
+}
+
+#[test]
+fn test_dotted_keys() {
+    let actual = toml_edit::easy::toml! {
+        a.b = 123
+        a.c = 1979-05-27T07:32:00Z
+        [table]
+        a.b.c = 1
+        a  .  b  .  d = 2
+        in = { type.name = "cat", type.color = "blue" }
+    };
+
+    let expected = table! {
+        "a" => table! {
+            "b" => 123,
+            "c" => datetime!("1979-05-27T07:32:00Z"),
+        },
+        "table" => table! {
+            "a" => table! {
+                "b" => table! {
+                    "c" => 1,
+                    "d" => 2,
+                },
+            },
+            "in" => table! {
+                "type" => table! {
+                    "name" => "cat",
+                    "color" => "blue",
+                },
+            },
+        },
+    };
+
+    assert_eq!(actual, expected);
+}