Refactor more tests into macro invocations (#259)

Cargo.lock

@@ -11,6 +11,11 @@ name = "ansi_term"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "assert_matches"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "atty"
 version = "0.2.3"
@@ -99,6 +104,7 @@ name = "just"
 version = "0.3.3"
 dependencies = [
  "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "assert_matches 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "brev 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.27.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -263,6 +269,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [metadata]
 "checksum aho-corasick 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "500909c4f87a9e52355b26626d890833e9e1d53ac566db76c36faa984b889699"
 "checksum ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "23ac7c30002a5accbf7e8987d0632fa6de155b7c3d39d0067317a391e00a2ef6"
+"checksum assert_matches 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9e772942dccdf11b368c31e044e4fca9189f80a773d2f0808379de65894cbf57"
 "checksum atty 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "21e50800ec991574876040fff8ee46b136a53e985286fbe6a3bdfe6421b78860"
 "checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
 "checksum bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4efd02e230a02e18f92fc2735f44597385ed02ad8f831e7c1c1156ee5e1ab3a5"

Cargo.toml

@@ -9,6 +9,7 @@ readme      = "crates-io-readme.md"
 
 [dependencies]
 ansi_term      = "0.9.0"
+assert_matches = "1.1.0"
 atty           = "0.2.1"
 brev           = "0.1.6"
 clap           = "2.0.0"

src/assignment_resolver.rs

@@ -87,49 +87,46 @@ impl<'a: 'b, 'b> AssignmentResolver<'a, 'b> {
 
 #[cfg(test)]
 mod test {
-  use testing::parse_error;
   use super::*;
+  use TokenKind::*;
 
-  #[test]
+  compilation_error_test! {
-  fn circular_variable_dependency() {
+    name:   unclosed_interpolation_delimiter,
-    let text     = "a = b\nb = a";
+    input:  "a:\n echo {{ foo",
-    let variable = "a";
+    index:  15,
-    let circle   = vec!["a", "b", "a"];
+    line:   1,
-    parse_error(text, CompilationError {
+    column: 12,
-      text:   text,
+    width:  Some(0),
+    kind:   UnexpectedToken{expected: vec![Plus, Eol, InterpolationEnd], found: Dedent},
+  }
+
+  compilation_error_test! {
+    name:   circular_variable_dependency,
+    input:   "a = b\nb = a",
     index:  0,
     line:   0,
     column: 0,
     width:  Some(1),
-      kind:   CircularVariableDependency{variable, circle}
+    kind:   CircularVariableDependency{variable: "a", circle: vec!["a", "b", "a"]},
-    });
   }
 
-  #[test]
+  compilation_error_test! {
-  fn self_variable_dependency() {
+    name:   self_variable_dependency,
-    let text     = "a = a";
+    input:  "a = a",
-    let variable = "a";
-    let circle   = vec!["a", "a"];
-    parse_error(text, CompilationError {
-      text:   text,
     index:  0,
     line:   0,
     column: 0,
     width:  Some(1),
-      kind:   CircularVariableDependency{variable, circle}
+    kind:   CircularVariableDependency{variable: "a", circle: vec!["a", "a"]},
-    });
   }
 
-  #[test]
+  compilation_error_test! {
-  fn unknown_expression_variable() {
+    name:   unknown_expression_variable,
-    let text = "x = yy";
+    input:  "x = yy",
-    parse_error(text, CompilationError {
-      text:   text,
     index:  4,
     line:   0,
     column: 4,
     width:  Some(2),
     kind:   UndefinedVariable{variable: "yy"},
-    });
   }
 }

src/cooked_string.rs

@@ -44,5 +44,3 @@ impl<'a> CookedString<'a> {
     }
   }
 }
-
-

src/fragment.rs

@@ -14,4 +14,3 @@ impl<'a> Fragment<'a> {
     }
   }
 }
-

src/justfile.rs

@@ -165,11 +165,12 @@ impl<'a> Display for Justfile<'a> {
 mod test {
   use super::*;
   use testing::parse_success;
+  use RuntimeError::*;
 
   #[test]
   fn unknown_recipes() {
     match parse_success("a:\nb:\nc:").run(&["a", "x", "y", "z"], &Default::default()).unwrap_err() {
-      RuntimeError::UnknownRecipes{recipes, suggestion} => {
+      UnknownRecipes{recipes, suggestion} => {
         assert_eq!(recipes, &["x", "y", "z"]);
         assert_eq!(suggestion, None);
       }
@@ -197,7 +198,7 @@ a:
 ";
 
     match parse_success(text).run(&["a"], &Default::default()).unwrap_err() {
-      RuntimeError::Code{recipe, line_number, code} => {
+      Code{recipe, line_number, code} => {
         assert_eq!(recipe, "a");
         assert_eq!(code, 200);
         assert_eq!(line_number, None);
@@ -206,18 +207,18 @@ a:
     }
   }
 
-#[test]
+  #[test]
-fn code_error() {
+  fn code_error() {
     match parse_success("fail:\n @exit 100")
       .run(&["fail"], &Default::default()).unwrap_err() {
-    RuntimeError::Code{recipe, line_number, code} => {
+      Code{recipe, line_number, code} => {
         assert_eq!(recipe, "fail");
         assert_eq!(code, 100);
         assert_eq!(line_number, Some(2));
       },
       other => panic!("expected a code run error, but got: {}", other),
     }
-}
+  }
 
   #[test]
   fn run_args() {
@@ -226,7 +227,7 @@ a return code:
  @x() { {{return}} {{code + "0"}}; }; x"#;
 
     match parse_success(text).run(&["a", "return", "15"], &Default::default()).unwrap_err() {
-      RuntimeError::Code{recipe, line_number, code} => {
+      Code{recipe, line_number, code} => {
         assert_eq!(recipe, "a");
         assert_eq!(code, 150);
         assert_eq!(line_number, Some(3));
@@ -238,7 +239,7 @@ a return code:
   #[test]
   fn missing_some_arguments() {
     match parse_success("a b c d:").run(&["a", "b", "c"], &Default::default()).unwrap_err() {
-      RuntimeError::ArgumentCountMismatch{recipe, found, min, max} => {
+      ArgumentCountMismatch{recipe, found, min, max} => {
         assert_eq!(recipe, "a");
         assert_eq!(found, 2);
         assert_eq!(min, 3);
@@ -251,7 +252,7 @@ a return code:
   #[test]
   fn missing_some_arguments_variadic() {
     match parse_success("a b c +d:").run(&["a", "B", "C"], &Default::default()).unwrap_err() {
-      RuntimeError::ArgumentCountMismatch{recipe, found, min, max} => {
+      ArgumentCountMismatch{recipe, found, min, max} => {
         assert_eq!(recipe, "a");
         assert_eq!(found, 2);
         assert_eq!(min, 3);
@@ -265,7 +266,7 @@ a return code:
   fn missing_all_arguments() {
     match parse_success("a b c d:\n echo {{b}}{{c}}{{d}}")
           .run(&["a"], &Default::default()).unwrap_err() {
-      RuntimeError::ArgumentCountMismatch{recipe, found, min, max} => {
+      ArgumentCountMismatch{recipe, found, min, max} => {
         assert_eq!(recipe, "a");
         assert_eq!(found, 0);
         assert_eq!(min, 3);
@@ -278,7 +279,7 @@ a return code:
   #[test]
   fn missing_some_defaults() {
     match parse_success("a b c d='hello':").run(&["a", "b"], &Default::default()).unwrap_err() {
-      RuntimeError::ArgumentCountMismatch{recipe, found, min, max} => {
+      ArgumentCountMismatch{recipe, found, min, max} => {
         assert_eq!(recipe, "a");
         assert_eq!(found, 1);
         assert_eq!(min, 2);
@@ -291,7 +292,7 @@ a return code:
   #[test]
   fn missing_all_defaults() {
     match parse_success("a b c='r' d='h':").run(&["a"], &Default::default()).unwrap_err() {
-      RuntimeError::ArgumentCountMismatch{recipe, found, min, max} => {
+      ArgumentCountMismatch{recipe, found, min, max} => {
         assert_eq!(recipe, "a");
         assert_eq!(found, 0);
         assert_eq!(min, 1);
@@ -308,7 +309,7 @@ a return code:
     configuration.overrides.insert("baz", "bob");
     match parse_success("a:\n echo {{`f() { return 100; }; f`}}")
           .run(&["a"], &configuration).unwrap_err() {
-      RuntimeError::UnknownOverrides{overrides} => {
+      UnknownOverrides{overrides} => {
         assert_eq!(overrides, &["baz", "foo"]);
       },
       other => panic!("expected a code run error, but got: {}", other),
@@ -333,7 +334,7 @@ wut:
     };
 
     match parse_success(text).run(&["wut"], &configuration).unwrap_err() {
-      RuntimeError::Code{code: _, line_number, recipe} => {
+      Code{code: _, line_number, recipe} => {
         assert_eq!(recipe, "wut");
         assert_eq!(line_number, Some(8));
       },

src/main.rs

@@ -10,6 +10,10 @@ extern crate regex;
 extern crate tempdir;
 extern crate unicode_width;
 
+#[cfg(test)]
+#[macro_use]
+mod testing;
+
 mod assignment_evaluator;
 mod assignment_resolver;
 mod color;
@@ -33,8 +37,6 @@ mod shebang;
 mod token;
 mod tokenizer;
 
-#[cfg(test)] mod testing;
-
 use tokenizer::tokenize;
 
 mod common {

src/parameter.rs

@@ -22,4 +22,3 @@ impl<'a> Display for Parameter<'a> {
     Ok(())
   }
 }
-

src/parser.rs

@@ -384,7 +384,6 @@ mod test {
   use super::*;
   use brev;
   use testing::parse_success;
-  use tokenize;
 
   macro_rules! summary_test {
     ($name:ident, $input:expr, $expected:expr $(,)*) => {
@@ -403,47 +402,6 @@ mod test {
     }
   }
 
-  macro_rules! error_test {
-    (
-      name:     $name:ident,
-      input:    $input:expr,
-      index:    $index:expr,
-      line:     $line:expr,
-      column:   $column:expr,
-      width:    $width:expr,
-      kind:     $kind:expr,
-    ) => {
-      #[test]
-      fn $name() {
-        let input = $input;
-
-        let expected = CompilationError {
-          text:   input,
-          index:  $index,
-          line:   $line,
-          column: $column,
-          width:  $width,
-          kind:   $kind,
-        };
-
-        let tokens = tokenize(input).unwrap();
-        let parser = Parser::new(input, tokens);
-
-        if let Err(error) = parser.justfile() {
-          assert_eq!(error.text,   expected.text);
-          assert_eq!(error.index,  expected.index);
-          assert_eq!(error.line,   expected.line);
-          assert_eq!(error.column, expected.column);
-          assert_eq!(error.width,  expected.width);
-          assert_eq!(error.kind,   expected.kind);
-          assert_eq!(error,        expected);
-        } else {
-          panic!("parse succeeded but expected: {}\n{}", expected, input);
-        }
-      }
-    }
-  }
-
   summary_test! {
     parse_empty,
     "
@@ -630,7 +588,7 @@ c = a + b + a + b",
     {{b}} {{c}}",
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   missing_colon,
     input:  "a b c\nd e f",
     index:  5,
@@ -640,7 +598,7 @@ c = a + b + a + b",
     kind:   UnexpectedToken{expected: vec![Name, Plus, Colon], found: Eol},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   missing_default_eol,
     input:  "hello arg=\n",
     index:  10,
@@ -650,7 +608,7 @@ c = a + b + a + b",
     kind:   UnexpectedToken{expected: vec![StringToken, RawString], found: Eol},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   missing_default_eof,
     input:  "hello arg=",
     index:  10,
@@ -660,7 +618,7 @@ c = a + b + a + b",
     kind:   UnexpectedToken{expected: vec![StringToken, RawString], found: Eof},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   missing_default_colon,
     input:  "hello arg=:",
     index:  10,
@@ -670,7 +628,7 @@ c = a + b + a + b",
     kind:   UnexpectedToken{expected: vec![StringToken, RawString], found: Colon},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   missing_default_backtick,
     input:  "hello arg=`hello`",
     index:  10,
@@ -680,7 +638,7 @@ c = a + b + a + b",
     kind:   UnexpectedToken{expected: vec![StringToken, RawString], found: Backtick},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   parameter_after_variadic,
     input:  "foo +a bbb:",
     index:  7,
@@ -690,7 +648,7 @@ c = a + b + a + b",
     kind:   ParameterFollowsVariadicParameter{parameter: "bbb"},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   required_after_default,
     input:  "hello arg='foo' bar:",
     index:  16,
@@ -700,7 +658,7 @@ c = a + b + a + b",
     kind:   RequiredParameterFollowsDefaultParameter{parameter: "bar"},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   missing_eol,
     input:  "a b c: z =",
     index:  9,
@@ -710,7 +668,7 @@ c = a + b + a + b",
     kind:   UnexpectedToken{expected: vec![Name, Eol, Eof], found: Equals},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   duplicate_parameter,
     input:  "a b b:",
     index:  4,
@@ -720,7 +678,7 @@ c = a + b + a + b",
     kind:   DuplicateParameter{recipe: "a", parameter: "b"},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   parameter_shadows_varible,
     input:  "foo = \"h\"\na foo:",
     index:  12,
@@ -730,7 +688,7 @@ c = a + b + a + b",
     kind:   ParameterShadowsVariable{parameter: "foo"},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   dependency_has_parameters,
     input:  "foo arg:\nb: foo",
     index:  12,
@@ -740,7 +698,7 @@ c = a + b + a + b",
     kind:   DependencyHasParameters{recipe: "b", dependency: "foo"},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   duplicate_dependency,
     input:  "a b c: b c z z",
     index:  13,
@@ -750,7 +708,7 @@ c = a + b + a + b",
     kind:   DuplicateDependency{recipe: "a", dependency: "z"},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   duplicate_recipe,
     input:  "a:\nb:\na:",
     index:  6,
@@ -760,7 +718,7 @@ c = a + b + a + b",
     kind:   DuplicateRecipe{recipe: "a", first: 0},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   duplicate_variable,
     input:  "a = \"0\"\na = \"0\"",
     index:  8,
@@ -770,7 +728,7 @@ c = a + b + a + b",
     kind:   DuplicateVariable{variable: "a"},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   extra_whitespace,
     input:  "a:\n blah\n  blarg",
     index:  10,
@@ -780,7 +738,7 @@ c = a + b + a + b",
     kind:   ExtraLeadingWhitespace,
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   interpolation_outside_of_recipe,
     input:  "{{",
     index:  0,
@@ -790,7 +748,7 @@ c = a + b + a + b",
     kind:   UnexpectedToken{expected: vec![Name, At], found: InterpolationStart},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   unclosed_interpolation_delimiter,
     input:  "a:\n echo {{ foo",
     index:  15,
@@ -800,7 +758,7 @@ c = a + b + a + b",
     kind:   UnexpectedToken{expected: vec![Plus, Eol, InterpolationEnd], found: Dedent},
   }
 
-  error_test! {
+  compilation_error_test! {
     name:   plus_following_parameter,
     input:  "a b c+:",
     index:  5,

src/recipe_resolver.rs

@@ -102,72 +102,54 @@ impl<'a, 'b> RecipeResolver<'a, 'b> {
 #[cfg(test)]
 mod test {
   use super::*;
-  use testing::parse_error;
 
-  #[test]
+  compilation_error_test! {
-  fn circular_recipe_dependency() {
+    name:   circular_recipe_dependency,
-    let text   = "a: b\nb: a";
+    input:  "a: b\nb: a",
-    let recipe = "b";
-    let circle = vec!["a", "b", "a"];
-    parse_error(text, CompilationError {
-      text:   text,
     index:  8,
     line:   1,
     column: 3,
     width:  Some(1),
-      kind:   CircularRecipeDependency{recipe, circle}
+    kind:   CircularRecipeDependency{recipe: "b", circle: vec!["a", "b", "a"]},
-    });
   }
 
-  #[test]
+  compilation_error_test! {
-  fn self_recipe_dependency() {
+    name:   self_recipe_dependency,
-    let text = "a: a";
+    input:  "a: a",
-    parse_error(text, CompilationError {
-      text:   text,
     index:  3,
     line:   0,
     column: 3,
     width:  Some(1),
-      kind:   CircularRecipeDependency{recipe: "a", circle: vec!["a", "a"]}
+    kind:   CircularRecipeDependency{recipe: "a", circle: vec!["a", "a"]},
-    });
   }
 
-  #[test]
+  compilation_error_test! {
-  fn unknown_dependency() {
+    name:   unknown_dependency,
-    let text = "a: b";
+    input:  "a: b",
-    parse_error(text, CompilationError {
-      text:   text,
     index:  3,
     line:   0,
     column: 3,
     width:  Some(1),
-      kind:   UnknownDependency{recipe: "a", unknown: "b"}
+    kind:   UnknownDependency{recipe: "a", unknown: "b"},
-    });
   }
 
-  #[test]
+  compilation_error_test! {
-  fn unknown_interpolation_variable() {
+    name:   unknown_interpolation_variable,
-    let text = "x:\n {{   hello}}";
+    input:  "x:\n {{   hello}}",
-    parse_error(text, CompilationError {
-      text:   text,
     index:  9,
     line:   1,
     column: 6,
     width:  Some(5),
     kind:   UndefinedVariable{variable: "hello"},
-    });
   }
 
-  #[test]
+  compilation_error_test! {
-  fn unknown_second_interpolation_variable() {
+    name:   unknown_second_interpolation_variable,
-    let text = "wtf=\"x\"\nx:\n echo\n foo {{wtf}} {{ lol }}";
+    input:  "wtf=\"x\"\nx:\n echo\n foo {{wtf}} {{ lol }}",
-    parse_error(text, CompilationError {
-      text:   text,
     index:  33,
     line:   3,
     column: 16,
     width:  Some(3),
     kind:   UndefinedVariable{variable: "lol"},
-    });
   }
 }

src/testing.rs

@@ -1,7 +1,6 @@
 use common::*;
 
 use compile;
-use tokenizer::tokenize;
 
 pub fn parse_success(text: &str) -> Justfile {
   match compile(text) {
@@ -10,20 +9,43 @@ pub fn parse_success(text: &str) -> Justfile {
   }
 }
 
-pub fn parse_error(text: &str, expected: CompilationError) {
+macro_rules! compilation_error_test {
-  let tokens = tokenize(text).unwrap();
+  (
-  let parser = Parser::new(text, tokens);
+    name:     $name:ident,
+    input:    $input:expr,
+    index:    $index:expr,
+    line:     $line:expr,
+    column:   $column:expr,
+    width:    $width:expr,
+    kind:     $kind:expr,
+  ) => {
+    #[test]
+    fn $name() {
+      let input = $input;
+
+      let expected = ::CompilationError {
+        text:   input,
+        index:  $index,
+        line:   $line,
+        column: $column,
+        width:  $width,
+        kind:   $kind,
+      };
+
+      let tokens = ::tokenizer::tokenize(input).unwrap();
+      let parser = ::Parser::new(input, tokens);
 
       if let Err(error) = parser.justfile() {
         assert_eq!(error.text,   expected.text);
         assert_eq!(error.index,  expected.index);
         assert_eq!(error.line,   expected.line);
         assert_eq!(error.column, expected.column);
-    assert_eq!(error.kind,   expected.kind);
         assert_eq!(error.width,  expected.width);
+        assert_eq!(error.kind,   expected.kind);
         assert_eq!(error,        expected);
       } else {
-    panic!("Expected {:?} but parse succeeded", expected.kind);
+        panic!("parse succeeded but expected: {}\n{}", expected, input);
+      }
+    }
   }
 }
-