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Merge pull request #11043 from hercules-ci/assert-eq

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`assert`: Report why values aren't equal
This commit is contained in:
Eelco Dolstra 2024-07-22 17:34:28 +02:00 • committed by GitHub
commit d08bb025e1
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31 changed files with 547 additions and 7 deletions
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8
tests/functional/lang/eval-fail-assert-equal-attrs-names-2.err.exp Normal file
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@ -0,0 +1,8 @@
error:
… while evaluating the condition of the assertion '({ a = true; } == { a = true; b = true; })'
at /pwd/lang/eval-fail-assert-equal-attrs-names-2.nix:1:1:
1| assert { a = true; } == { a = true; b = true; };
| ^
2| throw "unreachable"
error: attribute names of attribute set '{ a = true; }' differs from attribute set '{ a = true; b = true; }'

2
tests/functional/lang/eval-fail-assert-equal-attrs-names-2.nix Normal file
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@ -0,0 +1,2 @@
assert { a = true; } == { a = true; b = true; };
throw "unreachable"

8
tests/functional/lang/eval-fail-assert-equal-attrs-names.err.exp Normal file
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@ -0,0 +1,8 @@
error:
… while evaluating the condition of the assertion '({ a = true; b = true; } == { a = true; })'
at /pwd/lang/eval-fail-assert-equal-attrs-names.nix:1:1:
1| assert { a = true; b = true; } == { a = true; };
| ^
2| throw "unreachable"
error: attribute names of attribute set '{ a = true; b = true; }' differs from attribute set '{ a = true; }'

2
tests/functional/lang/eval-fail-assert-equal-attrs-names.nix Normal file
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@ -0,0 +1,2 @@
assert { a = true; b = true; } == { a = true; };
throw "unreachable"

26
tests/functional/lang/eval-fail-assert-equal-derivations-extra.err.exp Normal file
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@ -0,0 +1,26 @@
error:
… while evaluating the condition of the assertion '({ foo = { outPath = "/nix/store/0"; type = "derivation"; }; } == { foo = { devious = true; outPath = "/nix/store/1"; type = "derivation"; }; })'
at /pwd/lang/eval-fail-assert-equal-derivations-extra.nix:1:1:
1| assert
| ^
2| { foo = { type = "derivation"; outPath = "/nix/store/0"; }; }
… while comparing attribute 'foo'
… where left hand side is
at /pwd/lang/eval-fail-assert-equal-derivations-extra.nix:2:5:
1| assert
2| { foo = { type = "derivation"; outPath = "/nix/store/0"; }; }
| ^
3| ==
… where right hand side is
at /pwd/lang/eval-fail-assert-equal-derivations-extra.nix:4:5:
3| ==
4| { foo = { type = "derivation"; outPath = "/nix/store/1"; devious = true; }; };
| ^
5| throw "unreachable"
… while comparing a derivation by its 'outPath' attribute
error: string '"/nix/store/0"' is not equal to string '"/nix/store/1"'

5
tests/functional/lang/eval-fail-assert-equal-derivations-extra.nix Normal file
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@ -0,0 +1,5 @@
assert
{ foo = { type = "derivation"; outPath = "/nix/store/0"; }; }
==
{ foo = { type = "derivation"; outPath = "/nix/store/1"; devious = true; }; };
throw "unreachable"

26
tests/functional/lang/eval-fail-assert-equal-derivations.err.exp Normal file
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@ -0,0 +1,26 @@
error:
… while evaluating the condition of the assertion '({ foo = { ignored = (abort "not ignored"); outPath = "/nix/store/0"; type = "derivation"; }; } == { foo = { ignored = (abort "not ignored"); outPath = "/nix/store/1"; type = "derivation"; }; })'
at /pwd/lang/eval-fail-assert-equal-derivations.nix:1:1:
1| assert
| ^
2| { foo = { type = "derivation"; outPath = "/nix/store/0"; ignored = abort "not ignored"; }; }
… while comparing attribute 'foo'
… where left hand side is
at /pwd/lang/eval-fail-assert-equal-derivations.nix:2:5:
1| assert
2| { foo = { type = "derivation"; outPath = "/nix/store/0"; ignored = abort "not ignored"; }; }
| ^
3| ==
… where right hand side is
at /pwd/lang/eval-fail-assert-equal-derivations.nix:4:5:
3| ==
4| { foo = { type = "derivation"; outPath = "/nix/store/1"; ignored = abort "not ignored"; }; };
| ^
5| throw "unreachable"
… while comparing a derivation by its 'outPath' attribute
error: string '"/nix/store/0"' is not equal to string '"/nix/store/1"'

5
tests/functional/lang/eval-fail-assert-equal-derivations.nix Normal file
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@ -0,0 +1,5 @@
assert
{ foo = { type = "derivation"; outPath = "/nix/store/0"; ignored = abort "not ignored"; }; }
==
{ foo = { type = "derivation"; outPath = "/nix/store/1"; ignored = abort "not ignored"; }; };
throw "unreachable"

22
tests/functional/lang/eval-fail-assert-equal-floats.err.exp Normal file
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@ -0,0 +1,22 @@
error:
… while evaluating the condition of the assertion '({ b = 1; } == { b = 1.01; })'
at /pwd/lang/eval-fail-assert-equal-floats.nix:1:1:
1| assert { b = 1.0; } == { b = 1.01; };
| ^
2| abort "unreachable"
… while comparing attribute 'b'
… where left hand side is
at /pwd/lang/eval-fail-assert-equal-floats.nix:1:10:
1| assert { b = 1.0; } == { b = 1.01; };
| ^
2| abort "unreachable"
… where right hand side is
at /pwd/lang/eval-fail-assert-equal-floats.nix:1:26:
1| assert { b = 1.0; } == { b = 1.01; };
| ^
2| abort "unreachable"
error: a float with value '1' is not equal to a float with value '1.01'

2
tests/functional/lang/eval-fail-assert-equal-floats.nix Normal file
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@ -0,0 +1,2 @@
assert { b = 1.0; } == { b = 1.01; };
abort "unreachable"

9
tests/functional/lang/eval-fail-assert-equal-function-direct.err.exp Normal file
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@ -0,0 +1,9 @@
error:
… while evaluating the condition of the assertion '((x: x) == (x: x))'
at /pwd/lang/eval-fail-assert-equal-function-direct.nix:3:1:
2| # This only compares a direct comparison and makes no claims about functions in nested structures.
3| assert
| ^
4| (x: x)
error: distinct functions and immediate comparisons of identical functions compare as unequal

7
tests/functional/lang/eval-fail-assert-equal-function-direct.nix Normal file
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@ -0,0 +1,7 @@
# Note: functions in nested structures, e.g. attributes, may be optimized away by pointer identity optimization.
# This only compares a direct comparison and makes no claims about functions in nested structures.
assert
(x: x)
==
(x: x);
abort "unreachable"

8
tests/functional/lang/eval-fail-assert-equal-int-float.err.exp Normal file
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@ -0,0 +1,8 @@
error:
… while evaluating the condition of the assertion '(1 == 1.1)'
at /pwd/lang/eval-fail-assert-equal-int-float.nix:1:1:
1| assert 1 == 1.1;
| ^
2| throw "unreachable"
error: an integer with value '1' is not equal to a float with value '1.1'

2
tests/functional/lang/eval-fail-assert-equal-int-float.nix Normal file
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@ -0,0 +1,2 @@
assert 1 == 1.1;
throw "unreachable"

22
tests/functional/lang/eval-fail-assert-equal-ints.err.exp Normal file
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@ -0,0 +1,22 @@
error:
… while evaluating the condition of the assertion '({ b = 1; } == { b = 2; })'
at /pwd/lang/eval-fail-assert-equal-ints.nix:1:1:
1| assert { b = 1; } == { b = 2; };
| ^
2| abort "unreachable"
… while comparing attribute 'b'
… where left hand side is
at /pwd/lang/eval-fail-assert-equal-ints.nix:1:10:
1| assert { b = 1; } == { b = 2; };
| ^
2| abort "unreachable"
… where right hand side is
at /pwd/lang/eval-fail-assert-equal-ints.nix:1:24:
1| assert { b = 1; } == { b = 2; };
| ^
2| abort "unreachable"
error: an integer with value '1' is not equal to an integer with value '2'

2
tests/functional/lang/eval-fail-assert-equal-ints.nix Normal file
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@ -0,0 +1,2 @@
assert { b = 1; } == { b = 2; };
abort "unreachable"

8
tests/functional/lang/eval-fail-assert-equal-list-length.err.exp Normal file
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@ -0,0 +1,8 @@
error:
… while evaluating the condition of the assertion '([ (1) (0) ] == [ (10) ])'
at /pwd/lang/eval-fail-assert-equal-list-length.nix:1:1:
1| assert [ 1 0 ] == [ 10 ];
| ^
2| throw "unreachable"
error: list of size '2' is not equal to list of size '1', left hand side is '[ 1 0 ]', right hand side is '[ 10 ]'

2
tests/functional/lang/eval-fail-assert-equal-list-length.nix Normal file
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@ -0,0 +1,2 @@
assert [ 1 0 ] == [ 10 ];
throw "unreachable"

8
tests/functional/lang/eval-fail-assert-equal-paths.err.exp Normal file
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@ -0,0 +1,8 @@
error:
… while evaluating the condition of the assertion '(/pwd/lang/foo == /pwd/lang/bar)'
at /pwd/lang/eval-fail-assert-equal-paths.nix:1:1:
1| assert ./foo == ./bar;
| ^
2| throw "unreachable"
error: path '/pwd/lang/foo' is not equal to path '/pwd/lang/bar'

2
tests/functional/lang/eval-fail-assert-equal-paths.nix Normal file
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@ -0,0 +1,2 @@
assert ./foo == ./bar;
throw "unreachable"

22
tests/functional/lang/eval-fail-assert-equal-type-nested.err.exp Normal file
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@ -0,0 +1,22 @@
error:
… while evaluating the condition of the assertion '({ ding = false; } == { ding = null; })'
at /pwd/lang/eval-fail-assert-equal-type-nested.nix:1:1:
1| assert { ding = false; } == { ding = null; };
| ^
2| abort "unreachable"
… while comparing attribute 'ding'
… where left hand side is
at /pwd/lang/eval-fail-assert-equal-type-nested.nix:1:10:
1| assert { ding = false; } == { ding = null; };
| ^
2| abort "unreachable"
… where right hand side is
at /pwd/lang/eval-fail-assert-equal-type-nested.nix:1:31:
1| assert { ding = false; } == { ding = null; };
| ^
2| abort "unreachable"
error: a Boolean of value 'false' is not equal to null of value 'null'

2
tests/functional/lang/eval-fail-assert-equal-type-nested.nix Normal file
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@ -0,0 +1,2 @@
assert { ding = false; } == { ding = null; };
abort "unreachable"

8
tests/functional/lang/eval-fail-assert-equal-type.err.exp Normal file
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@ -0,0 +1,8 @@
error:
… while evaluating the condition of the assertion '(false == null)'
at /pwd/lang/eval-fail-assert-equal-type.nix:1:1:
1| assert false == null;
| ^
2| abort "unreachable"
error: a Boolean of value 'false' is not equal to null of value 'null'

2
tests/functional/lang/eval-fail-assert-equal-type.nix Normal file
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@ -0,0 +1,2 @@
assert false == null;
abort "unreachable"

74
tests/functional/lang/eval-fail-assert-nested-bool.err.exp Normal file
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@ -0,0 +1,74 @@
error:
… while evaluating the condition of the assertion '({ a = { b = [ ({ c = { d = true; }; }) ]; }; } == { a = { b = [ ({ c = { d = false; }; }) ]; }; })'
at /pwd/lang/eval-fail-assert-nested-bool.nix:1:1:
1| assert
| ^
2| { a.b = [ { c.d = true; } ]; }
… while comparing attribute 'a'
… where left hand side is
at /pwd/lang/eval-fail-assert-nested-bool.nix:2:5:
1| assert
2| { a.b = [ { c.d = true; } ]; }
| ^
3| ==
… where right hand side is
at /pwd/lang/eval-fail-assert-nested-bool.nix:4:5:
3| ==
4| { a.b = [ { c.d = false; } ]; };
| ^
5|
… while comparing attribute 'b'
… where left hand side is
at /pwd/lang/eval-fail-assert-nested-bool.nix:2:5:
1| assert
2| { a.b = [ { c.d = true; } ]; }
| ^
3| ==
… where right hand side is
at /pwd/lang/eval-fail-assert-nested-bool.nix:4:5:
3| ==
4| { a.b = [ { c.d = false; } ]; };
| ^
5|
… while comparing list element 0
… while comparing attribute 'c'
… where left hand side is
at /pwd/lang/eval-fail-assert-nested-bool.nix:2:15:
1| assert
2| { a.b = [ { c.d = true; } ]; }
| ^
3| ==
… where right hand side is
at /pwd/lang/eval-fail-assert-nested-bool.nix:4:15:
3| ==
4| { a.b = [ { c.d = false; } ]; };
| ^
5|
… while comparing attribute 'd'
… where left hand side is
at /pwd/lang/eval-fail-assert-nested-bool.nix:2:15:
1| assert
2| { a.b = [ { c.d = true; } ]; }
| ^
3| ==
… where right hand side is
at /pwd/lang/eval-fail-assert-nested-bool.nix:4:15:
3| ==
4| { a.b = [ { c.d = false; } ]; };
| ^
5|
error: boolean 'true' is not equal to boolean 'false'

6
tests/functional/lang/eval-fail-assert-nested-bool.nix Normal file
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@ -0,0 +1,6 @@
assert
{ a.b = [ { c.d = true; } ]; }
==
{ a.b = [ { c.d = false; } ]; };
abort "unreachable"

6
tests/functional/lang/eval-fail-assert.err.exp
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@ -20,9 +20,11 @@ error:
| ^
3|
error: assertion '(arg == "y")' failed
at /pwd/lang/eval-fail-assert.nix:2:12:
… while evaluating the condition of the assertion '(arg == "y")'
at /pwd/lang/eval-fail-assert.nix:2:12:
1| let {
2| x = arg: assert arg == "y"; 123;
| ^
3|
error: string '"x"' is not equal to string '"y"'