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Use named snapshots for tests

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This commit is contained in:
Armin Ronacher 2021-01-24 09:17:09 +01:00
parent 93ded2e62c
commit 18fff98d22
12 changed files with 271 additions and 201 deletions
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78
src/algorithms/myers.rs
View file

@ -185,26 +185,7 @@ fn test_diff() {
let mut d = crate::algorithms::Replace::new(crate::algorithms::Capture::new());
diff_slices(&mut d, a, b).unwrap();
insta::assert_debug_snapshot!(d.into_inner().ops(), @r###"
[
Equal {
old_index: 0,
new_index: 0,
len: 3,
},
Replace {
old_index: 3,
old_len: 1,
new_index: 3,
new_len: 1,
},
Equal {
old_index: 4,
new_index: 4,
len: 1,
},
]
"###);
insta::assert_debug_snapshot!(d.into_inner().ops());
}
#[test]
@ -214,32 +195,7 @@ fn test_contiguous() {
let mut d = crate::algorithms::Replace::new(crate::algorithms::Capture::new());
diff_slices(&mut d, a, b).unwrap();
insta::assert_debug_snapshot!(d.into_inner().ops(), @r###"
[
Equal {
old_index: 0,
new_index: 0,
len: 3,
},
Replace {
old_index: 3,
old_len: 2,
new_index: 3,
new_len: 2,
},
Equal {
old_index: 5,
new_index: 5,
len: 2,
},
Replace {
old_index: 7,
old_len: 1,
new_index: 7,
new_len: 1,
},
]
"###);
insta::assert_debug_snapshot!(d.into_inner().ops());
}
#[test]
@ -249,33 +205,5 @@ fn test_pat() {
let mut d = crate::algorithms::Capture::new();
diff_slices(&mut d, a, b).unwrap();
insta::assert_debug_snapshot!(d.ops(), @r###"
[
Equal {
old_index: 0,
new_index: 0,
len: 2,
},
Delete {
old_index: 2,
old_len: 1,
new_index: 2,
},
Equal {
old_index: 3,
new_index: 2,
len: 2,
},
Insert {
old_index: 5,
new_index: 4,
new_len: 1,
},
Insert {
old_index: 5,
new_index: 5,
new_len: 1,
},
]
"###);
insta::assert_debug_snapshot!(d.ops());
}

60
src/algorithms/patience.rs
View file

@ -183,71 +183,17 @@ fn test_patience() {
let mut d = Replace::new(crate::algorithms::Capture::new());
diff_slices(&mut d, a, b).unwrap();
insta::assert_debug_snapshot!(d.into_inner().ops(), @r###"
[
Replace {
old_index: 0,
old_len: 1,
new_index: 0,
new_len: 1,
},
Equal {
old_index: 1,
new_index: 1,
len: 3,
},
Replace {
old_index: 4,
old_len: 2,
new_index: 4,
new_len: 2,
},
Equal {
old_index: 6,
new_index: 6,
len: 2,
},
Replace {
old_index: 8,
old_len: 1,
new_index: 8,
new_len: 1,
},
Equal {
old_index: 9,
new_index: 9,
len: 1,
},
Replace {
old_index: 10,
old_len: 1,
new_index: 10,
new_len: 1,
},
]
"###);
insta::assert_debug_snapshot!(d.into_inner().ops());
}
#[test]
fn test_patience_out_of_bounds_bug() {
// this used to be a bug
let a: &[usize] = &[1, 2, 3, 4];
let b: &[usize] = &[1, 2, 3];
let mut d = Replace::new(crate::algorithms::Capture::new());
diff_slices(&mut d, a, b).unwrap();
insta::assert_debug_snapshot!(d.into_inner().ops(), @r###"
[
Equal {
old_index: 0,
new_index: 0,
len: 3,
},
Delete {
old_index: 3,
old_len: 1,
new_index: 3,
},
]
"###);
insta::assert_debug_snapshot!(d.into_inner().ops());
}

28
src/algorithms/snapshots/similar__algorithms__myers__contiguous.snap Normal file
View file

@ -0,0 +1,28 @@
---
source: src/algorithms/myers.rs
expression: d.into_inner().ops()
---
[
Equal {
old_index: 0,
new_index: 0,
len: 3,
},
Replace {
old_index: 3,
old_len: 2,
new_index: 3,
new_len: 2,
},
Equal {
old_index: 5,
new_index: 5,
len: 2,
},
Replace {
old_index: 7,
old_len: 1,
new_index: 7,
new_len: 1,
},
]

22
src/algorithms/snapshots/similar__algorithms__myers__diff.snap Normal file
View file

@ -0,0 +1,22 @@
---
source: src/algorithms/myers.rs
expression: d.into_inner().ops()
---
[
Equal {
old_index: 0,
new_index: 0,
len: 3,
},
Replace {
old_index: 3,
old_len: 1,
new_index: 3,
new_len: 1,
},
Equal {
old_index: 4,
new_index: 4,
len: 1,
},
]

31
src/algorithms/snapshots/similar__algorithms__myers__pat.snap Normal file
View file

@ -0,0 +1,31 @@
---
source: src/algorithms/myers.rs
expression: d.ops()
---
[
Equal {
old_index: 0,
new_index: 0,
len: 2,
},
Delete {
old_index: 2,
old_len: 1,
new_index: 2,
},
Equal {
old_index: 3,
new_index: 2,
len: 2,
},
Insert {
old_index: 5,
new_index: 4,
new_len: 1,
},
Insert {
old_index: 5,
new_index: 5,
new_len: 1,
},
]

45
src/algorithms/snapshots/similar__algorithms__patience__patience.snap Normal file
View file

@ -0,0 +1,45 @@
---
source: src/algorithms/patience.rs
expression: d.into_inner().ops()
---
[
Replace {
old_index: 0,
old_len: 1,
new_index: 0,
new_len: 1,
},
Equal {
old_index: 1,
new_index: 1,
len: 3,
},
Replace {
old_index: 4,
old_len: 2,
new_index: 4,
new_len: 2,
},
Equal {
old_index: 6,
new_index: 6,
len: 2,
},
Replace {
old_index: 8,
old_len: 1,
new_index: 8,
new_len: 1,
},
Equal {
old_index: 9,
new_index: 9,
len: 1,
},
Replace {
old_index: 10,
old_len: 1,
new_index: 10,
new_len: 1,
},
]

16
src/algorithms/snapshots/similar__algorithms__patience__patience_out_of_bounds_bug.snap Normal file
View file

@ -0,0 +1,16 @@
---
source: src/algorithms/patience.rs
expression: d.into_inner().ops()
---
[
Equal {
old_index: 0,
new_index: 0,
len: 3,
},
Delete {
old_index: 3,
old_len: 1,
new_index: 3,
},
]

22
src/snapshots/similar__text__captured_ops.snap Normal file
View file

@ -0,0 +1,22 @@
---
source: src/text.rs
expression: "&diff.ops()"
---
[
Equal {
old_index: 0,
new_index: 0,
len: 1,
},
Replace {
old_index: 1,
old_len: 1,
new_index: 1,
new_len: 1,
},
Equal {
old_index: 2,
new_index: 2,
len: 1,
},
]

39
src/snapshots/similar__text__char_diff.snap Normal file
View file

@ -0,0 +1,39 @@
---
source: src/text.rs
expression: diff.ops()
---
[
Equal {
old_index: 0,
new_index: 0,
len: 1,
},
Replace {
old_index: 1,
old_len: 1,
new_index: 1,
new_len: 1,
},
Equal {
old_index: 2,
new_index: 2,
len: 5,
},
Replace {
old_index: 7,
old_len: 2,
new_index: 7,
new_len: 1,
},
Equal {
old_index: 9,
new_index: 8,
len: 1,
},
Replace {
old_index: 10,
old_len: 1,
new_index: 9,
new_len: 1,
},
]

42
src/snapshots/similar__text__line_ops.snap Normal file
View file

@ -0,0 +1,42 @@
---
source: src/text.rs
expression: "&changes"
---
[
Change {
tag: Equal,
old_index: Some(
0,
),
new_index: Some(
0,
),
value: "Hello World\n",
},
Change {
tag: Delete,
old_index: Some(
1,
),
new_index: None,
value: "some stuff here\n",
},
Change {
tag: Insert,
old_index: None,
new_index: Some(
1,
),
value: "some amazing stuff here\n",
},
Change {
tag: Equal,
old_index: Some(
2,
),
new_index: Some(
2,
),
value: "some more stuff here\n",
},
]

11
src/snapshots/similar__text__unified_diff.snap Normal file
View file

@ -0,0 +1,11 @@
---
source: src/text.rs
expression: "&diff.unified_diff(3, Some((\"old\", \"new\")))"
---
--- old
+++ new
@@ -0 +2 @@
Hello World
-some stuff here
+some amazing stuff here
some more stuff here

78
src/text.rs
View file

@ -605,26 +605,7 @@ fn test_captured_ops() {
"Hello World\nsome stuff here\nsome more stuff here\n",
"Hello World\nsome amazing stuff here\nsome more stuff here\n",
);
insta::assert_debug_snapshot!(&diff.ops(), @r###"
[
Equal {
old_index: 0,
new_index: 0,
len: 1,
},
Replace {
old_index: 1,
old_len: 1,
new_index: 1,
new_len: 1,
},
Equal {
old_index: 2,
new_index: 2,
len: 1,
},
]
"###);
insta::assert_debug_snapshot!(&diff.ops());
}
#[test]
@ -634,15 +615,7 @@ fn test_unified_diff() {
"Hello World\nsome amazing stuff here\nsome more stuff here\n",
);
assert_eq!(diff.newline_terminated(), true);
insta::assert_snapshot!(&diff.unified_diff(3, Some(("old", "new"))), @r###"
--- old
+++ new
@@ -0 +2 @@
Hello World
-some stuff here
+some amazing stuff here
some more stuff here
"###);
insta::assert_snapshot!(&diff.unified_diff(3, Some(("old", "new"))));
}
#[test]
@ -657,44 +630,11 @@ fn test_line_ops() {
.iter()
.flat_map(|op| diff.iter_changes(op))
.collect::<Vec<_>>();
insta::assert_debug_snapshot!(&changes, @r###"
[
Change {
tag: Equal,
old_index: Some(
0,
),
new_index: Some(
0,
),
value: "Hello World\n",
},
Change {
tag: Delete,
old_index: Some(
1,
),
new_index: None,
value: "some stuff here\n",
},
Change {
tag: Insert,
old_index: None,
new_index: Some(
1,
),
value: "some amazing stuff here\n",
},
Change {
tag: Equal,
old_index: Some(
2,
),
new_index: Some(
2,
),
value: "some more stuff here\n",
},
]
"###);
insta::assert_debug_snapshot!(&changes);
}
#[test]
fn test_char_diff() {
let diff = TextDiff::from_chars("Hello World", "Hallo Welt");
insta::assert_debug_snapshot!(diff.ops());
}