tjh.dev
1{
2 devShellTools,
3 emptyFile,
4 lib,
5 stdenv,
6 hello,
7 writeText,
8 zlib,
9 nixosTests,
10}:
11let
12 inherit (lib)
13 concatLines
14 escapeShellArg
15 isString
16 mapAttrsToList
17 ;
18in
19lib.recurseIntoAttrs {
20
21 # nix-build -A tests.devShellTools.nixos
22 nixos = nixosTests.docker-tools-nix-shell;
23
24 # nix-build -A tests.devShellTools.valueToString
25 valueToString =
26 let inherit (devShellTools) valueToString; in
27
28 stdenv.mkDerivation {
29 name = "devShellTools-valueToString-built-tests";
30
31 # Test inputs
32 inherit emptyFile hello;
33 one = 1;
34 boolTrue = true;
35 boolFalse = false;
36 foo = "foo";
37 list = [ 1 2 3 ];
38 pathDefaultNix = ./default.nix;
39 packages = [ hello emptyFile ];
40 # TODO: nested lists
41
42 buildCommand = ''
43 touch $out
44 ( set -x
45 [[ "$one" = ${escapeShellArg (valueToString 1)} ]]
46 [[ "$boolTrue" = ${escapeShellArg (valueToString true)} ]]
47 [[ "$boolFalse" = ${escapeShellArg (valueToString false)} ]]
48 [[ "$foo" = ${escapeShellArg (valueToString "foo")} ]]
49 [[ "$hello" = ${escapeShellArg (valueToString hello)} ]]
50 [[ "$list" = ${escapeShellArg (valueToString [ 1 2 3 ])} ]]
51 [[ "$packages" = ${escapeShellArg (valueToString [ hello emptyFile ])} ]]
52 [[ "$pathDefaultNix" = ${escapeShellArg (valueToString ./default.nix)} ]]
53 [[ "$emptyFile" = ${escapeShellArg (valueToString emptyFile)} ]]
54 ) >log 2>&1 || { cat log; exit 1; }
55 '';
56 };
57
58 # nix-build -A tests.devShellTools.valueToString
59 unstructuredDerivationInputEnv =
60 let
61 inherit (devShellTools) unstructuredDerivationInputEnv;
62
63 drvAttrs = {
64 one = 1;
65 boolTrue = true;
66 boolFalse = false;
67 foo = "foo";
68 list = [ 1 2 3 ];
69 pathDefaultNix = ./default.nix;
70 stringWithDep = "Exe: ${hello}/bin/hello";
71 aPackageAttrSet = hello;
72 anOutPath = hello.outPath;
73 anAnAlternateOutput = zlib.dev;
74 args = [ "args must not be added to the environment" "Nix doesn't do it." ];
75
76 passAsFile = [ "bar" ];
77 bar = ''
78 bar
79 ${writeText "qux" "yea"}
80 '';
81 };
82 result = unstructuredDerivationInputEnv { inherit drvAttrs; };
83 in
84 assert result // { barPath = "<check later>"; } == {
85 one = "1";
86 boolTrue = "1";
87 boolFalse = "";
88 foo = "foo";
89 list = "1 2 3";
90 pathDefaultNix = "${./default.nix}";
91 stringWithDep = "Exe: ${hello}/bin/hello";
92 aPackageAttrSet = "${hello}";
93 anOutPath = "${hello.outPath}";
94 anAnAlternateOutput = "${zlib.dev}";
95
96 passAsFile = "bar";
97 barPath = "<check later>";
98 };
99
100 # Not runCommand, because it alters `passAsFile`
101 stdenv.mkDerivation ({
102 name = "devShellTools-unstructuredDerivationInputEnv-built-tests";
103
104 exampleBarPathString =
105 assert isString result.barPath;
106 result.barPath;
107
108 dontUnpack = true;
109 dontBuild = true;
110 dontFixup = true;
111 doCheck = true;
112
113 installPhase = "touch $out";
114
115 checkPhase = ''
116 fail() {
117 echo "$@" >&2
118 exit 1
119 }
120 checkAttr() {
121 echo checking attribute $1...
122 if [[ "$2" != "$3" ]]; then
123 echo "expected: $3"
124 echo "actual: $2"
125 exit 1
126 fi
127 }
128 ${
129 concatLines
130 (mapAttrsToList
131 (name: value:
132 "checkAttr ${name} \"\$${name}\" ${escapeShellArg value}"
133 )
134 (removeAttrs
135 result
136 [
137 "args"
138
139 # Nix puts it in workdir, which is not a concept for
140 # unstructuredDerivationInputEnv, so we have to put it in the
141 # store instead. This means the full path won't match.
142 "barPath"
143 ])
144 )
145 }
146 (
147 set -x
148
149 diff $exampleBarPathString $barPath
150
151 ${lib.optionalString (builtins?convertHash) ''
152 [[ "$(basename $exampleBarPathString)" = "$(basename $barPath)" ]]
153 ''}
154 )
155
156 ''${args:+fail "args should not be set by Nix. We don't expect it to and unstructuredDerivationInputEnv removes it."}
157 if [[ "''${builder:-x}" == x ]]; then
158 fail "builder should be set by Nix. We don't remove it in unstructuredDerivationInputEnv."
159 fi
160 '';
161 } // removeAttrs drvAttrs [
162 # This would break the derivation. Instead, we have a check in the derivation to make sure Nix doesn't set it.
163 "args"
164 ]);
165}