add snapshot test suitesnapshot-tests

13 files changed, 295 insertions, 0 deletions

diff --git a/bin/tests/snapshots/main__bool_comparison.snap b/bin/tests/snapshots/main__bool_comparison.snap
new file mode 100644
index 0000000..0865332
--- /dev/null
+++ b/bin/tests/snapshots/main__bool_comparison.snap
@@ -0,0 +1,62 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W01] Warning: Unnecessary comparison with boolean
+   ╭─[data/bool_comparison.nix:3:4]
+   │
+ 3 │   (a == true)
+   ·    ────┬────  
+   ·        ╰────── Comparing a with boolean literal true
+───╯
+[W01] Warning: Unnecessary comparison with boolean
+   ╭─[data/bool_comparison.nix:4:4]
+   │
+ 4 │   (b == true)
+   ·    ────┬────  
+   ·        ╰────── Comparing b with boolean literal true
+───╯
+[W01] Warning: Unnecessary comparison with boolean
+   ╭─[data/bool_comparison.nix:5:4]
+   │
+ 5 │   (true == c)
+   ·    ────┬────  
+   ·        ╰────── Comparing c with boolean literal true
+───╯
+[W01] Warning: Unnecessary comparison with boolean
+   ╭─[data/bool_comparison.nix:6:4]
+   │
+ 6 │   (true == d)
+   ·    ────┬────  
+   ·        ╰────── Comparing d with boolean literal true
+───╯
+[W01] Warning: Unnecessary comparison with boolean
+   ╭─[data/bool_comparison.nix:9:4]
+   │
+ 9 │   (e != true)
+   ·    ────┬────  
+   ·        ╰────── Comparing e with boolean literal true
+───╯
+[W01] Warning: Unnecessary comparison with boolean
+    ╭─[data/bool_comparison.nix:10:4]
+    │
+ 10 │   (f != false)
+    ·    ─────┬────  
+    ·         ╰────── Comparing f with boolean literal false
+────╯
+[W01] Warning: Unnecessary comparison with boolean
+    ╭─[data/bool_comparison.nix:11:4]
+    │
+ 11 │   (true != g)
+    ·    ────┬────  
+    ·        ╰────── Comparing g with boolean literal true
+────╯
+[W01] Warning: Unnecessary comparison with boolean
+    ╭─[data/bool_comparison.nix:12:4]
+    │
+ 12 │   (false != h)
+    ·    ─────┬────  
+    ·         ╰────── Comparing h with boolean literal false
+────╯
+
diff --git a/bin/tests/snapshots/main__collapsible_let_in.snap b/bin/tests/snapshots/main__collapsible_let_in.snap
new file mode 100644
index 0000000..b135abc
--- /dev/null
+++ b/bin/tests/snapshots/main__collapsible_let_in.snap
@@ -0,0 +1,17 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W06] Warning: These let-in expressions are collapsible
+   ╭─[data/collapsible_let_in.nix:1:1]
+   │
+ 1 │ ╭───▶ let
+ 5 │ │ ╭─▶   let
+ 9 │ │ ├─▶   a + b + c + d
+   · │ │                 │   
+   · │ ╰───────────────────── This let in expression is nested
+   · │                   │   
+   · ╰───────────────────┴─── This let in expression contains a nested let in expression
+───╯
+
diff --git a/bin/tests/snapshots/main__deprecated_is_null.snap b/bin/tests/snapshots/main__deprecated_is_null.snap
new file mode 100644
index 0000000..d49b381
--- /dev/null
+++ b/bin/tests/snapshots/main__deprecated_is_null.snap
@@ -0,0 +1,13 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W13] Warning: Found usage of deprecated builtin isNull
+   ╭─[data/deprecated_is_null.nix:4:4]
+   │
+ 4 │ if isNull e
+   ·    ────┬───  
+   ·        ╰───── isNull is deprecated, check equality with null instead
+───╯
+
diff --git a/bin/tests/snapshots/main__empty_let_in.snap b/bin/tests/snapshots/main__empty_let_in.snap
new file mode 100644
index 0000000..426692f
--- /dev/null
+++ b/bin/tests/snapshots/main__empty_let_in.snap
@@ -0,0 +1,14 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W02] Warning: Useless let-in expression
+   ╭─[data/empty_let_in.nix:1:1]
+   │
+ 1 │ ╭─▶ let
+ 3 │ ├─▶   null
+   · │            
+   · ╰──────────── This let-in expression has no entries
+───╯
+
diff --git a/bin/tests/snapshots/main__empty_pattern.snap b/bin/tests/snapshots/main__empty_pattern.snap
new file mode 100644
index 0000000..3ea7ae0
--- /dev/null
+++ b/bin/tests/snapshots/main__empty_pattern.snap
@@ -0,0 +1,20 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W10] Warning: Found empty pattern in function argument
+   ╭─[data/empty_pattern.nix:3:4]
+   │
+ 3 │   ({ ... }: 42)
+   ·    ───┬───  
+   ·       ╰───── This pattern is empty, use _ instead
+───╯
+[W11] Warning: Found redundant pattern bind in function argument
+   ╭─[data/empty_pattern.nix:7:4]
+   │
+ 7 │   ({ ... } @ inputs: inputs)
+   ·    ────────┬───────  
+   ·            ╰───────── This pattern bind is redundant, use inputs instead
+───╯
+
diff --git a/bin/tests/snapshots/main__eta_reduction.snap b/bin/tests/snapshots/main__eta_reduction.snap
new file mode 100644
index 0000000..6271980
--- /dev/null
+++ b/bin/tests/snapshots/main__eta_reduction.snap
@@ -0,0 +1,13 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W07] Warning: This function expression is eta reducible
+    ╭─[data/eta_reduction.nix:11:9]
+    │
+ 11 │   (map (x: double x) xs)
+    ·         ─────┬─────  
+    ·              ╰─────── Found eta-reduction: double
+────╯
+
diff --git a/bin/tests/snapshots/main__legacy_let_syntax.snap b/bin/tests/snapshots/main__legacy_let_syntax.snap
new file mode 100644
index 0000000..35aa7ee
--- /dev/null
+++ b/bin/tests/snapshots/main__legacy_let_syntax.snap
@@ -0,0 +1,14 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W05] Warning: Using undocumented `let` syntax
+   ╭─[data/legacy_let_syntax.nix:1:1]
+   │
+ 1 │ ╭─▶ let {
+ 5 │ ├─▶ }
+   · │       
+   · ╰─────── Prefer rec over undocumented let syntax
+───╯
+
diff --git a/bin/tests/snapshots/main__manual_inherit.snap b/bin/tests/snapshots/main__manual_inherit.snap
new file mode 100644
index 0000000..063867c
--- /dev/null
+++ b/bin/tests/snapshots/main__manual_inherit.snap
@@ -0,0 +1,13 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W03] Warning: Assignment instead of inherit
+   ╭─[data/manual_inherit.nix:7:3]
+   │
+ 7 │   a = a;
+   ·   ───┬──  
+   ·      ╰──── This assignment is better written with inherit
+───╯
+
diff --git a/bin/tests/snapshots/main__manual_inherit_from.snap b/bin/tests/snapshots/main__manual_inherit_from.snap
new file mode 100644
index 0000000..9cf1f5d
--- /dev/null
+++ b/bin/tests/snapshots/main__manual_inherit_from.snap
@@ -0,0 +1,20 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W04] Warning: Assignment instead of inherit from
+   ╭─[data/manual_inherit_from.nix:5:3]
+   │
+ 5 │   b = a.b;
+   ·   ────┬───  
+   ·       ╰───── This assignment is better written with inherit
+───╯
+[W04] Warning: Assignment instead of inherit from
+   ╭─[data/manual_inherit_from.nix:6:3]
+   │
+ 6 │   c = a.c;
+   ·   ────┬───  
+   ·       ╰───── This assignment is better written with inherit
+───╯
+
diff --git a/bin/tests/snapshots/main__redundant_pattern_bind.snap b/bin/tests/snapshots/main__redundant_pattern_bind.snap
new file mode 100644
index 0000000..2f26818
--- /dev/null
+++ b/bin/tests/snapshots/main__redundant_pattern_bind.snap
@@ -0,0 +1,13 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W11] Warning: Found redundant pattern bind in function argument
+   ╭─[data/redundant_pattern_bind.nix:1:1]
+   │
+ 1 │ { ... }  @ inputs: null
+   · ────────┬────────  
+   ·         ╰────────── This pattern bind is redundant, use inputs instead
+───╯
+
diff --git a/bin/tests/snapshots/main__unquoted_splices.snap b/bin/tests/snapshots/main__unquoted_splices.snap
new file mode 100644
index 0000000..5fd1917
--- /dev/null
+++ b/bin/tests/snapshots/main__unquoted_splices.snap
@@ -0,0 +1,35 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W09] Warning: Found unquoted splice expression
+   ╭─[data/unquoted_splices.nix:7:3]
+   │
+ 7 │   ${x}
+   ·   ──┬─  
+   ·     ╰─── Consider quoting this splice expression
+───╯
+[W09] Warning: Found unquoted splice expression
+   ╭─[data/unquoted_splices.nix:8:3]
+   │
+ 8 │   ${toString (x + y)}
+   ·   ─────────┬─────────  
+   ·            ╰─────────── Consider quoting this splice expression
+───╯
+[W09] Warning: Found unquoted splice expression
+   ╭─[data/unquoted_splices.nix:9:5]
+   │
+ 9 │   a.${toString x}
+   ·     ──────┬──────  
+   ·           ╰──────── Consider quoting this splice expression
+───╯
+[W09] Warning: Found unquoted splice expression
+    ╭─[data/unquoted_splices.nix:12:3]
+    │
+ 12 │ ╭─▶   ${
+ 14 │ ├─▶   }
+    · │         
+    · ╰───────── Consider quoting this splice expression
+────╯
+
diff --git a/bin/tests/snapshots/main__unquoted_uri.snap b/bin/tests/snapshots/main__unquoted_uri.snap
new file mode 100644
index 0000000..2f0e5a9
--- /dev/null
+++ b/bin/tests/snapshots/main__unquoted_uri.snap
@@ -0,0 +1,13 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W12] Warning: Found unquoted URI expression
+   ╭─[data/unquoted_uri.nix:1:1]
+   │
+ 1 │ github:nerdypepper/statix
+   · ────────────┬────────────  
+   ·             ╰────────────── Consider quoting this URI expression
+───╯
+
diff --git a/bin/tests/snapshots/main__useless_parens.snap b/bin/tests/snapshots/main__useless_parens.snap
new file mode 100644
index 0000000..d44176e
--- /dev/null
+++ b/bin/tests/snapshots/main__useless_parens.snap
@@ -0,0 +1,48 @@
+---
+source: bin/tests/main.rs
+expression: "&out"
+
+---
+[W08] Warning: These parentheses can be omitted
+    ╭─[data/useless_parens.nix:16:3]
+    │
+ 16 │   (null)
+    ·   ───┬──  
+    ·      ╰──── Useless parentheses around body of let expression
+────╯
+[W08] Warning: These parentheses can be omitted
+   ╭─[data/useless_parens.nix:4:9]
+   │
+ 4 │     b = ("hello");
+   ·         ────┬────  
+   ·             ╰────── Useless parentheses around value in binding
+───╯
+[W08] Warning: These parentheses can be omitted
+   ╭─[data/useless_parens.nix:5:9]
+   │
+ 5 │     c = (d);
+   ·         ─┬─  
+   ·          ╰─── Useless parentheses around value in binding
+───╯
+[W08] Warning: These parentheses can be omitted
+   ╭─[data/useless_parens.nix:6:9]
+   │
+ 6 │     e = ({ f = 2; });
+   ·         ──────┬─────  
+   ·               ╰─────── Useless parentheses around value in binding
+───╯
+[W08] Warning: These parentheses can be omitted
+    ╭─[data/useless_parens.nix:10:7]
+    │
+ 10 │   g = (1 + 2);
+    ·       ───┬───  
+    ·          ╰───── Useless parentheses around value in binding
+────╯
+[W08] Warning: These parentheses can be omitted
+    ╭─[data/useless_parens.nix:11:7]
+    │
+ 11 │   h = ({ inherit i; });
+    ·       ────────┬───────  
+    ·               ╰───────── Useless parentheses around value in binding
+────╯
+