summary refs log tree commit diff
path: root/pkgs/test/stdenv/default.nix
blob: ab5f98890bd3377fa35c38b6bb67e96fff2113ab (plain) (blame)
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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
# To run these tests:
# nix-build -A tests.stdenv

{ stdenv
, pkgs
, lib
,
}:

let
  # use a early stdenv so when hacking on stdenv this test can be run quickly
  bootStdenv = stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv;
  pkgsStructured = import pkgs.path { config = { structuredAttrsByDefault = true; }; inherit (stdenv.hostPlatform) system; };
  bootStdenvStructuredAttrsByDefault = pkgsStructured.stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv;


  ccWrapperSubstitutionsTest = { name, stdenv', extraAttrs ? { } }:

    stdenv'.cc.overrideAttrs (previousAttrs: ({
      inherit name;

      postFixup = previousAttrs.postFixup + ''
        declare -p wrapperName
        echo "env.wrapperName = $wrapperName"
        [[ $wrapperName == "CC_WRAPPER" ]] || (echo "'\$wrapperName' was not 'CC_WRAPPER'" && false)
        declare -p suffixSalt
        echo "env.suffixSalt = $suffixSalt"
        [[ $suffixSalt == "${stdenv'.cc.suffixSalt}" ]] || (echo "'\$suffxSalt' was not '${stdenv'.cc.suffixSalt}'" && false)

        grep -q "@out@" $out/bin/cc || echo "@out@ in $out/bin/cc was substituted"
        grep -q "@suffixSalt@" $out/bin/cc && (echo "$out/bin/cc contains unsubstituted variables" && false)

        touch $out
      '';
    } // extraAttrs));

  testEnvAttrset = { name, stdenv', extraAttrs ? { } }:
    stdenv'.mkDerivation
      ({
        inherit name;
        env = {
          string = "testing-string";
        };

        passAsFile = [ "buildCommand" ];
        buildCommand = ''
          declare -p string
          echo "env.string = $string"
          [[ $string == "testing-string" ]] || (echo "'\$string' was not 'testing-string'" && false)
          touch $out
        '';
      } // extraAttrs);

  testPrependAndAppendToVar = { name, stdenv', extraAttrs ? { } }:
    stdenv'.mkDerivation
      ({
        inherit name;
        env = {
          string = "testing-string";
        };

        passAsFile = [ "buildCommand" ] ++ lib.optionals (extraAttrs ? extraTest) [ "extraTest" ];
        buildCommand = ''
          declare -p string
          appendToVar string hello
          # test that quoted strings work
          prependToVar string "world"
          declare -p string

          declare -A associativeArray=(["X"]="Y")
          [[ $(appendToVar associativeArray "fail" 2>&1) =~ "trying to use" ]] || (echo "prependToVar did not catch prepending associativeArray" && false)
          [[ $(prependToVar associativeArray "fail" 2>&1) =~ "trying to use" ]] || (echo "prependToVar did not catch prepending associativeArray" && false)

          [[ $string == "world testing-string hello" ]] || (echo "'\$string' was not 'world testing-string hello'" && false)

          # test appending to a unset variable
          appendToVar nonExistant created hello
          typeset -p nonExistant
          if [[ -n $__structuredAttrs ]]; then
            [[ "''${nonExistant[@]}" == "created hello" ]]
          else
            # there's a extra " " in front here and a extra " " in the end of prependToVar
            # shouldn't matter because these functions will mostly be used for $*Flags and the Flag variable will in most cases already exit
            [[ "$nonExistant" == " created hello" ]]
          fi

          eval "$extraTest"

          touch $out
        '';
      } // extraAttrs);

in

{
  test-env-attrset = testEnvAttrset { name = "test-env-attrset"; stdenv' = bootStdenv; };

  # Test compatibility with derivations using `env` as a regular variable.
  test-env-derivation = bootStdenv.mkDerivation rec {
    name = "test-env-derivation";
    env = bootStdenv.mkDerivation {
      name = "foo";
      buildCommand = ''
        mkdir "$out"
        touch "$out/bar"
      '';
    };

    passAsFile = [ "buildCommand" ];
    buildCommand = ''
      declare -p env
      [[ $env == "${env}" ]]
      touch "$out"
    '';
  };

  test-prepend-append-to-var = testPrependAndAppendToVar {
    name = "test-prepend-append-to-var";
    stdenv' = bootStdenv;
  };

  test-structured-env-attrset = testEnvAttrset {
    name = "test-structured-env-attrset";
    stdenv' = bootStdenv;
    extraAttrs = { __structuredAttrs = true; };
  };

  test-cc-wrapper-substitutions = ccWrapperSubstitutionsTest {
    name = "test-cc-wrapper-substitutions";
    stdenv' = bootStdenv;
  };

  structuredAttrsByDefault = lib.recurseIntoAttrs {
    test-cc-wrapper-substitutions = ccWrapperSubstitutionsTest {
      name = "test-cc-wrapper-substitutions-structuredAttrsByDefault";
      stdenv' = bootStdenvStructuredAttrsByDefault;
    };

    test-structured-env-attrset = testEnvAttrset {
      name = "test-structured-env-attrset-structuredAttrsByDefault";
      stdenv' = bootStdenvStructuredAttrsByDefault;
    };

    test-prepend-append-to-var = testPrependAndAppendToVar {
      name = "test-prepend-append-to-var-structuredAttrsByDefault";
      stdenv' = bootStdenvStructuredAttrsByDefault;
      extraAttrs = {
        # will be a bash indexed array in attrs.sh
        # declare -a list=('a' 'b' )
        # and a json array in attrs.json
        # "list":["a","b"]
        list = [ "a" "b" ];
        # will be a bash associative array(dictionary) in attrs.sh
        # declare -A array=(['a']='1' ['b']='2' )
        # and a json object in attrs.json
        # {"array":{"a":"1","b":"2"}
        array = { a = "1"; b = "2"; };
        extraTest = ''
          declare -p array
          array+=(["c"]="3")
          declare -p array

          [[ "''${array[c]}" == "3" ]] || (echo "c element of '\$array' was not '3'" && false)

          declare -p list
          prependToVar list hello
          # test that quoted strings work
          appendToVar list "world"
          declare -p list

          [[ "''${list[0]}" == "hello" ]] || (echo "first element of '\$list' was not 'hello'" && false)
          [[ "''${list[1]}" == "a" ]] || (echo "first element of '\$list' was not 'a'" && false)
          [[ "''${list[-1]}" == "world" ]] || (echo "last element of '\$list' was not 'world'" && false)
        '';
      };
    };
  };
}