blob: 30921af043f22c3f907b5328070e2a6ea7408ad0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
source common.sh
testDir="$PWD"
cd "$TEST_ROOT"
replCmds="
simple = 1
simple = import $testDir/simple.nix
:bl simple
:log simple
"
replFailingCmds="
failing = import $testDir/simple-failing.nix
:b failing
:log failing
"
replUndefinedVariable="
import $testDir/undefined-variable.nix
"
testRepl () {
local nixArgs=("$@")
rm -rf repl-result-out || true # cleanup from other runs backed by a foreign nix store
local replOutput="$(nix repl "${nixArgs[@]}" <<< "$replCmds")"
echo "$replOutput"
local outPath=$(echo "$replOutput" |&
grep -o -E "$NIX_STORE_DIR/\w*-simple")
nix path-info "${nixArgs[@]}" "$outPath"
[ "$(realpath ./repl-result-out)" == "$outPath" ] || fail "nix repl :bl doesn't make a symlink"
# run it again without checking the output to ensure the previously created symlink gets overwritten
nix repl "${nixArgs[@]}" <<< "$replCmds" || fail "nix repl does not work twice with the same inputs"
# simple.nix prints a PATH during build
echo "$replOutput" | grep -qs 'PATH=' || fail "nix repl :log doesn't output logs"
local replOutput="$(nix repl "${nixArgs[@]}" <<< "$replFailingCmds" 2>&1)"
echo "$replOutput"
echo "$replOutput" | grep -qs 'This should fail' \
|| fail "nix repl :log doesn't output logs for a failed derivation"
local replOutput="$(nix repl --show-trace "${nixArgs[@]}" <<< "$replUndefinedVariable" 2>&1)"
echo "$replOutput"
echo "$replOutput" | grep -qs "while evaluating the file" \
|| fail "nix repl --show-trace doesn't show the trace"
nix repl "${nixArgs[@]}" --option pure-eval true 2>&1 <<< "builtins.currentSystem" \
| grep "attribute 'currentSystem' missing"
nix repl "${nixArgs[@]}" 2>&1 <<< "builtins.currentSystem" \
| grep "$(nix-instantiate --eval -E 'builtins.currentSystem')"
}
# Simple test, try building a drv
testRepl
# Same thing (kind-of), but with a remote store.
testRepl --store "$TEST_ROOT/store?real=$NIX_STORE_DIR"
testReplResponse () {
local commands="$1"; shift
local expectedResponse="$1"; shift
local response="$(nix repl "$@" <<< "$commands")"
echo "$response" | grep -qs "$expectedResponse" \
|| fail "repl command set:
$commands
does not respond with:
$expectedResponse
but with:
$response"
}
# :a uses the newest version of a symbol
testReplResponse '
:a { a = "1"; }
:a { a = "2"; }
"result: ${a}"
' "result: 2"
testReplResponse '
drvPath
' '".*-simple.drv"' \
$testDir/simple.nix
testReplResponse '
drvPath
' '".*-simple.drv"' \
--file $testDir/simple.nix --experimental-features ''
testReplResponse '
drvPath
' '".*-simple.drv"' \
--file $testDir/simple.nix --extra-experimental-features 'repl-flake'
mkdir -p flake && cat <<EOF > flake/flake.nix
{
outputs = { self }: {
foo = 1;
bar.baz = 2;
changingThing = "beforeChange";
};
}
EOF
testReplResponse '
foo + baz
' "3" \
./flake ./flake\#bar --experimental-features 'flakes repl-flake'
# Test the `:reload` mechansim with flakes:
# - Eval `./flake#changingThing`
# - Modify the flake
# - Re-eval it
# - Check that the result has changed
replResult=$( (
echo "changingThing"
sleep 1 # Leave the repl the time to eval 'foo'
sed -i 's/beforeChange/afterChange/' flake/flake.nix
echo ":reload"
echo "changingThing"
) | nix repl ./flake --experimental-features 'flakes repl-flake')
echo "$replResult" | grep -qs beforeChange
echo "$replResult" | grep -qs afterChange
|
