#42 Integration tests in rstest for matrix case.

Author: la10736

resources/rstest/dump_debug.rs

@@ -20,6 +20,16 @@ fn single_fail(fu32: u32, fstring: String, ftuple: (A, String, i32)) {
     case(24, "trs", ("tt", -24))
     ::trace
 )]
-fn should_fail(u: u32, s: &str, t: (&str, i32)) {
+fn cases_fail(u: u32, s: &str, t: (&str, i32)) {
+    assert!(false);
+}
+
+#[rstest(
+    u => [1, 2],
+    s => ["rst", "srt"],
+    t => [("SS", -12), ("TT", -24)]
+    ::trace
+)]
+fn matrix_fail(u: u32, s: &str, t: (&str, i32)) {
     assert!(false);
 }

resources/rstest/dump_exclude_some_fixtures.rs resources/rstest/dump_exclude_some_inputs.rs

@@ -18,14 +18,24 @@ fn fa() -> A { A {} }
 #[rstest(
 ::trace::notrace(fa,fb))
 ]
-fn single_fail(fu32: u32, fa: A, fb: B, fd: D) {
+fn simple(fu32: u32, fa: A, fb: B, fd: D) {
     assert!(false);
 }
 
 #[rstest(a,b,d,
     case(A{}, B{}, D{})
     ::trace::notrace(a,b))
 ]
-fn should_fail(fu32: u32, a: A, b: B, d: D) {
+fn cases(fu32: u32, a: A, b: B, d: D) {
+    assert!(false);
+}
+
+#[rstest(
+    a => [A{}],
+    b => [B{}],
+    dd => [D{}],
+    ::trace::notrace(a,b))
+]
+fn matrix(fu32: u32, a: A, b: B, dd: D) {
     assert!(false);
 }

resources/rstest/dump_not_debug.rs

@@ -13,3 +13,9 @@ fn single(fixture: S) {}
     ::trace
 )]
 fn cases(s: S) {}
+
+#[rstest(
+    s => [S{}]
+    ::trace
+)]
+fn matrix(s: S) {}

resources/rstest/errors.rs

@@ -14,12 +14,12 @@ fn error_cannot_resolve_fixture(no_fixture: u32, f: u32) {}
 fn error_fixture_wrong_type(fixture: String, f: u32) {}
 
 #[rstest(f, case(42))]
-fn error_param_wrong_type(f: &str) {}
+fn error_case_wrong_type(f: &str) {}
 
 #[rstest(condition,
     case(vec![1,2,3].contains(2)))
 ]
-fn error_in_arbitrary_rust_code(condition: bool) {
+fn error_in_arbitrary_rust_code_cases(condition: bool) {
     assert!(condition)
 }
 
@@ -48,3 +48,26 @@ fn error_define_case_that_is_already_an_injected_fixture(f: u32) {
 #[rstest(v, f(42), f(42), case(12))]
 fn error_inject_a_fixture_more_than_once(v: u32, f: u32) {
 }
+
+#[rstest(f => [42])]
+fn error_matrix_wrong_type(f: &str) {}
+
+#[rstest(condition => [vec![1,2,3].contains(2)] )]
+fn error_arbitrary_rust_code_matrix(condition: bool) {
+    assert!(condition)
+}
+
+#[rstest(empty => [])]
+fn error_empty_list(empty: &str) {}
+
+#[rstest(not_exist_1 => [42],
+         not_exist_2 => [42])]
+fn error_no_match_args() {}
+
+#[rstest(f => [41, 42], f(42))]
+fn error_inject_a_fixture_that_is_already_a_value_list(f: u32) {
+}
+
+#[rstest(f(42), f => [41, 42])]
+fn error_define_a_value_list_that_is_already_an_injected_fixture(f: u32) {
+}

resources/rstest/matrix/partial.rs

@@ -0,0 +1,31 @@
+use rstest::*;
+
+#[fixture]
+fn f1() -> u32 { 0 }
+#[fixture]
+fn f2() -> u32 { 0 }
+#[fixture]
+fn f3() -> u32 { 0 }
+
+#[fixture]
+fn fixture(f1: u32, f2: u32, f3: u32) -> u32 { f1 + f2 + 2 * f3 }
+
+#[rstest(a => [0, 1], b => [0, 2])]
+fn default(fixture: u32, a: u32, b: u32) {
+    assert_eq!(fixture, a * b);
+}
+
+#[rstest(a => [0, 1], b => [0, 2], fixture(1))]
+fn partial_1(fixture: u32, a: u32, b: u32) {
+    assert_eq!(fixture, a * b);
+}
+
+#[rstest(a => [0, 1], b => [0, 2], fixture(0, 2))]
+fn partial_2(fixture: u32, a: u32, b: u32) {
+    assert_eq!(fixture, a * b);
+}
+
+#[rstest(a => [0, 1], b => [0, 2], fixture(0, 0, 1))]
+fn complete(fixture: u32, a: u32, b: u32) {
+    assert_eq!(fixture, a * b);
+}

tests/rstest/mod.rs

@@ -113,8 +113,16 @@ mod dump_input_values {
 
         TestResults::new()
             .fail("single_fail")
-            .fail("should_fail::case_1")
-            .fail("should_fail::case_2")
+            .fail("cases_fail::case_1")
+            .fail("cases_fail::case_2")
+            .fail("matrix_fail::case_1_1_1")
+            .fail("matrix_fail::case_1_1_2")
+            .fail("matrix_fail::case_1_2_1")
+            .fail("matrix_fail::case_1_2_2")
+            .fail("matrix_fail::case_2_1_1")
+            .fail("matrix_fail::case_2_1_2")
+            .fail("matrix_fail::case_1_2_1")
+            .fail("matrix_fail::case_2_2_2")
             .assert(output);
 
         assert_in!(out, "fu32 = 42");
@@ -128,6 +136,14 @@ mod dump_input_values {
         assert_in!(out, "u = 24");
         assert_in!(out, r#"s = "trs""#);
         assert_in!(out, r#"t = ("tt", -24)"#);
+
+        assert_in!(out, "u = 1");
+        assert_in!(out, r#"s = "rst""#);
+        assert_in!(out, r#"t = ("SS", -12)"#);
+
+        assert_in!(out, "u = 2");
+        assert_in!(out, r#"s = "srt""#);
+        assert_in!(out, r#"t = ("TT", -24)"#);
     }
 
     #[test]
@@ -147,21 +163,29 @@ mod dump_input_values {
             15 | fn cases(s: S) {{}}
                |          ^ `S` cannot be formatted using `{{:?}}`", name)
                .unindent());
+
+        assert_in!(output.stderr.str().to_string(), format!("
+              --> {}/src/lib.rs:21:11
+               |
+            21 | fn matrix(s: S) {{}}
+               |           ^ `S` cannot be formatted using `{{:?}}`", name).unindent());
     }
 
     #[test]
     fn can_exclude_some_inputs() {
-        let (output, _) = run_test("dump_exclude_some_fixtures.rs");
+        let (output, _) = run_test("dump_exclude_some_inputs.rs");
         let out = output.stdout.str().to_string();
 
         TestResults::new()
-            .fail("single_fail")
-            .fail("should_fail::case_1")
+            .fail("simple")
+            .fail("cases::case_1")
+            .fail("matrix::case_1_1_1")
             .assert(output);
 
         assert_in!(out, "fu32 = 42");
         assert_in!(out, "d = D");
         assert_in!(out, "fd = D");
+        assert_in!(out, "dd = D");
     }
 
     #[test]
@@ -442,6 +466,59 @@ mod cases {
     }
 }
 
+mod matrix {
+    use super::*;
+
+    fn res(name: impl AsRef<Path>) -> impl AsRef<Path> {
+        Path::new("matrix").join(name.as_ref())
+    }
+
+    #[test]
+    fn should_compile() {
+        let output = prj(res("simple.rs"))
+            .compile()
+            .unwrap();
+
+        assert_eq!(Some(0), output.status.code(), "Compile error due: {}", output.stderr.str())
+    }
+
+    #[test]
+    fn happy_path() {
+        let (output, _) = run_test(res("simple.rs"));
+
+        TestResults::new()
+            .ok("strlen_test::case_1_1")
+            .ok("strlen_test::case_1_2")
+            .ok("strlen_test::case_2_1")
+            .ok("strlen_test::case_2_2")
+            .assert(output);
+    }
+
+    #[test]
+    fn should_apply_partial_fixture() {
+        let (output, _) = run_test(res("partial.rs"));
+
+        TestResults::new()
+            .ok("default::case_1_1")
+            .ok("default::case_1_2")
+            .ok("default::case_2_1")
+            .ok("partial_2::case_2_2")
+            .ok("complete::case_2_2")
+            .fail("default::case_2_2")
+            .fail("partial_1::case_1_1")
+            .fail("partial_1::case_1_2")
+            .fail("partial_1::case_2_1")
+            .fail("partial_1::case_2_2")
+            .fail("partial_2::case_1_1")
+            .fail("partial_2::case_1_2")
+            .fail("partial_2::case_2_1")
+            .fail("complete::case_1_1")
+            .fail("complete::case_1_2")
+            .fail("complete::case_2_1")
+            .assert(output);
+    }
+}
+
 mod should_show_correct_errors {
     use std::process::Output;
 
@@ -518,14 +595,25 @@ mod should_show_correct_errors {
     }
 
     #[test]
-    fn if_wrong_type_param() {
+    fn if_wrong_type_case_param() {
+        let (output, name) = execute();
+
+        assert_in!(output.stderr.str(), format!("
+                error[E0308]: mismatched types
+                  --> {}/src/lib.rs:17:26
+                   |
+                17 | fn error_case_wrong_type(f: &str) {{}}", name).unindent());
+    }
+
+    #[test]
+    fn if_wrong_type_matrix_param() {
         let (output, name) = execute();
 
         assert_in!(output.stderr.str(), format!("
                 error[E0308]: mismatched types
-                  --> {}/src/lib.rs:17:27
+                  --> {}/src/lib.rs:53:28
                    |
-                17 | fn error_param_wrong_type(f: &str) {{}}", name).unindent());
+                53 | fn error_matrix_wrong_type(f: &str) {{}}", name).unindent());
     }
 
     #[test]
@@ -540,6 +628,16 @@ mod should_show_correct_errors {
                    |                               ^
                    |                               |",
                    name).unindent());
+
+        assert_in!(output.stderr.str(), format!("
+                error[E0308]: mismatched types
+                  --> {}/src/lib.rs:55:45
+                   |
+                55 | #[rstest(condition => [vec![1,2,3].contains(2)] )]
+                   |                                             ^
+                   |                                             |",
+                   name).unindent());
+
     }
 
     #[test]
@@ -580,34 +678,65 @@ mod should_show_correct_errors {
                    |                    ^",
                    name).unindent());
     }
-}
 
-mod matrix {
-    use super::*;
+    #[test]
+    fn if_list_argument_dont_match_function_signature() {
+        let (output, name) = execute();
+
+        assert_in!(output.stderr.str(), format!("
+                error: Missed argument: 'not_exist_1' should be a test function argument.
+                  --> {}/src/lib.rs:63:10
+                   |
+                63 | #[rstest(not_exist_1 => [42],
+                   |          ^^^^^^^^^^^",
+                   name).unindent());
+
+        assert_in!(output.stderr.str(), format!("
+                error: Missed argument: 'not_exist_2' should be a test function argument.
+                  --> {}/src/lib.rs:64:10
+                   |
+                64 |          not_exist_2 => [42])]
+                   |          ^^^^^^^^^^^",
+                   name).unindent());
 
-    fn res(name: impl AsRef<Path>) -> impl AsRef<Path> {
-        Path::new("matrix").join(name.as_ref())
     }
 
     #[test]
-    fn should_compile() {
-        let output = prj(res("simple.rs"))
-            .compile()
-            .unwrap();
+    fn if_inject_a_fixture_that_is_already_a_value_list() {
+        let (output, name) = execute();
 
-        assert_eq!(Some(0), output.status.code(), "Compile error due: {}", output.stderr.str())
+        assert_in!(output.stderr.str(), format!("
+                error: Duplicate argument: 'f' is already defined.
+                  --> {}/src/lib.rs:67:25
+                   |
+                67 | #[rstest(f => [41, 42], f(42))]
+                   |                         ^",
+                   name).unindent());
     }
 
     #[test]
-    fn happy_path() {
-        let (output, _) = run_test(res("simple.rs"));
+    fn if_define_value_list_that_is_already_an_injected_fixture() {
+        let (output, name) = execute();
 
-        TestResults::new()
-            .ok("strlen_test::case_1_1")
-            .ok("strlen_test::case_1_2")
-            .ok("strlen_test::case_2_1")
-            .ok("strlen_test::case_2_2")
-            .assert(output);
+        assert_in!(output.stderr.str(), format!("
+                error: Duplicate argument: 'f' is already defined.
+                  --> {}/src/lib.rs:71:17
+                   |
+                71 | #[rstest(f(42), f => [41, 42])]
+                   |                 ^",
+                   name).unindent());
     }
 
+    #[test]
+    fn if_a_value_contains_empty_list() {
+        let (output, name) = execute();
+
+        assert_in!(output.stderr.str(), format!("
+                error: Values list should not be empty
+                  --> {}/src/lib.rs:60:19
+                   |
+                60 | #[rstest(empty => [])]
+                   |                   ^^",
+                   name).unindent());
+    }
 }