feat(wrapperModules.oh-my-posh): init

ci/test-lib.nix

@@ -10,7 +10,7 @@
 let
   wlib = self.lib;
 
-  errMsg = msg: "(echo ${renderMsg msg} >&2 && return 1)";
+  errMsg = msg: "(echo \"${renderMsg msg}\" >&2 && return 1)";
 
   indentBlock =
     str: num:
@@ -280,10 +280,27 @@ in
     msg = "File ${path} should not exist";
   };
 
+  /**
+    Returns an `Assertion` that checks whether `path` does **not** exist as a directory.
+
+    # Type
+    ```
+    notIsFile :: String -> Assertion
+    ```
+
+    # Arguments
+    path
+    : The filesystem path that should be absent.
+  */
+  notIsDirectory = path: {
+    cond = ''[ ! -d "${path}" ]'';
+    msg = "Directory ${path} should not exist";
+  };
+
   /**
     Returns an `Assertion` that checks whether `file` contains a line matching `pattern`.
 
-    The check is performed with `grep -q`, so `pattern` is treated as a basic regular expression.
+    The check is performed with `grep -Eq`, so `pattern` is treated as an extended regular expression.
 
     # Type
     ```
@@ -295,10 +312,10 @@ in
     : Path to the file to search.
 
     pattern
-    : Basic regular expression to search for.
+    : Extended regular expression to search for.
   */
   fileContains = file: pattern: {
-    cond = ''grep -q '${pattern}' "${file}"'';
+    cond = ''grep -Eq -- '${pattern}' "${file}"'';
     msg = "Pattern '${pattern}' not found in ${file}";
   };
 

wrapperModules/o/oh-my-posh/check.nix

@@ -0,0 +1,332 @@
+{
+  pkgs,
+  self,
+  tlib,
+  writeText,
+  ...
+}:
+
+let
+  inherit (tlib)
+    fileContains
+    isFile
+    isDirectory
+    notIsFile
+    notIsDirectory
+    test
+    ;
+  wm = self.wrappers.oh-my-posh;
+in
+test { wrapper = "oh-my-posh"; } {
+
+  "wrapper should output correct version" =
+    let
+      wrapper = wm.wrap {
+        inherit pkgs;
+      };
+    in
+    ''
+      "${wrapper}/bin/oh-my-posh" --version |
+      grep -q "${wrapper.version}"
+    '';
+
+  "If config is provided then config.json is properly set up" =
+    let
+      wrapper = wm.wrap {
+        inherit pkgs;
+        theme = "jandedobbeleer";
+      };
+      configFile = "${wrapper}/config.json";
+    in
+    [
+      (isFile configFile)
+      (fileContains "${wrapper}/bin/oh-my-posh" "--config.*${configFile}")
+    ];
+
+  "If no config is provided then no config.json is set up" =
+    let
+      wrapper = wm.wrap {
+        inherit pkgs;
+      };
+      configFile = "${wrapper}/config.json";
+    in
+    notIsFile configFile;
+
+  "config chains" =
+    let
+      baseWrapper = wm.wrap {
+        inherit pkgs;
+        theme = [
+          "aliens"
+          "agnoster"
+        ];
+        settings.foo = "foo";
+        configFile = writeText "file-config.yaml" "bar: bar";
+      };
+      nixStoreFile = name: "/nix/store/[[:alnum:]]{32}-.*${name}";
+      extendsPattern = path: ''"extends": "${path}"'';
+    in
+    {
+      "theme > file > settings (default order)" =
+        let
+          wrapper = baseWrapper;
+          configChainDir = "${wrapper}/config-chain";
+
+          nixSettingsFile = "${configChainDir}/settings.json";
+          fileSettingsFile = "${configChainDir}/file-config.json";
+          agnosterFile = "${configChainDir}/agnoster.omp.json";
+        in
+        [
+          "[[ -h ${wrapper}/config.json ]]"
+          "[[ $(readlink -f ${wrapper}/config.json) == ${nixSettingsFile} ]]"
+          (fileContains nixSettingsFile (extendsPattern fileSettingsFile))
+          (fileContains fileSettingsFile (extendsPattern agnosterFile))
+          (fileContains agnosterFile (extendsPattern (nixStoreFile "aliens.omp.json")))
+        ];
+
+      "file > theme > settings" =
+        let
+          wrapper = baseWrapper.wrap {
+            order = [
+              "file"
+              "theme"
+              "settings"
+            ];
+          };
+          configChainDir = "${wrapper}/config-chain";
+
+          nixSettingsFile = "${configChainDir}/settings.json";
+          agnosterFile = "${configChainDir}/agnoster.omp.json";
+          aliensFile = "${configChainDir}/aliens.omp.json";
+        in
+        [
+          "[[ -h ${wrapper}/config.json ]]"
+          "[[ $(readlink -f ${wrapper}/config.json) == ${nixSettingsFile} ]]"
+          (fileContains nixSettingsFile (extendsPattern agnosterFile))
+          (fileContains agnosterFile (extendsPattern aliensFile))
+          (fileContains aliensFile (extendsPattern (nixStoreFile "file-config.json")))
+        ];
+
+      "file > settings > theme" =
+        let
+          wrapper = baseWrapper.wrap {
+            order = [
+              "file"
+              "settings"
+              "theme"
+            ];
+          };
+          configChainDir = "${wrapper}/config-chain";
+
+          agnosterFile = "${configChainDir}/agnoster.omp.json";
+          aliensFile = "${configChainDir}/aliens.omp.json";
+          nixSettingsFile = "${configChainDir}/settings.json";
+        in
+        [
+          "[[ -h ${wrapper}/config.json ]]"
+          "[[ $(readlink -f ${wrapper}/config.json) == ${agnosterFile} ]]"
+          (fileContains agnosterFile (extendsPattern aliensFile))
+          (fileContains aliensFile (extendsPattern nixSettingsFile))
+          (fileContains nixSettingsFile (extendsPattern (nixStoreFile "file-config.json")))
+        ];
+
+      "settings > theme > file" =
+        let
+          wrapper = baseWrapper.wrap {
+            order = [
+              "settings"
+              "theme"
+              "file"
+            ];
+          };
+          configChainDir = "${wrapper}/config-chain";
+
+          fileSettingsFile = "${configChainDir}/file-config.json";
+          agnosterFile = "${configChainDir}/agnoster.omp.json";
+          aliensFile = "${configChainDir}/aliens.omp.json";
+        in
+        [
+          "[[ -h ${wrapper}/config.json ]]"
+          "[[ $(readlink -f ${wrapper}/config.json) == ${fileSettingsFile} ]]"
+          (fileContains fileSettingsFile (extendsPattern agnosterFile))
+          (fileContains agnosterFile (extendsPattern aliensFile))
+          (fileContains aliensFile (extendsPattern (nixStoreFile "settings.json")))
+        ];
+
+      "theme > settings > file" =
+        let
+          wrapper = baseWrapper.wrap {
+            order = [
+              "theme"
+              "settings"
+              "file"
+            ];
+          };
+          configChainDir = "${wrapper}/config-chain";
+
+          fileSettingsFile = "${configChainDir}/file-config.json";
+          nixSettingsFile = "${configChainDir}/settings.json";
+          agnosterFile = "${configChainDir}/agnoster.omp.json";
+        in
+        [
+          "[[ -h ${wrapper}/config.json ]]"
+          "[[ $(readlink -f ${wrapper}/config.json) == ${fileSettingsFile} ]]"
+          (fileContains fileSettingsFile (extendsPattern nixSettingsFile))
+          (fileContains nixSettingsFile (extendsPattern agnosterFile))
+          (fileContains agnosterFile (extendsPattern (nixStoreFile "aliens.omp.json")))
+        ];
+
+      "settings > file > theme" =
+        let
+          wrapper = baseWrapper.wrap {
+            order = [
+              "settings"
+              "file"
+              "theme"
+            ];
+          };
+          configChainDir = "${wrapper}/config-chain";
+
+          agnosterFile = "${configChainDir}/agnoster.omp.json";
+          aliensFile = "${configChainDir}/aliens.omp.json";
+          fileSettingsFile = "${configChainDir}/file-config.json";
+        in
+        [
+          "[[ -h ${wrapper}/config.json ]]"
+          "[[ $(readlink -f ${wrapper}/config.json) == ${agnosterFile} ]]"
+          (fileContains agnosterFile (extendsPattern aliensFile))
+          (fileContains aliensFile (extendsPattern fileSettingsFile))
+          (fileContains fileSettingsFile (extendsPattern (nixStoreFile "settings.json")))
+        ];
+    };
+
+  "config file formats" =
+    let
+      key = "dummy_key";
+      value = "dummy_value";
+    in
+    {
+      "json configFile is loaded" =
+        let
+          wrapper = wm.wrap {
+            inherit pkgs;
+            configFile = writeText "config.json" ''{"${key}": "${value}"}'';
+          };
+          generatedConfig = "${wrapper}/config.json";
+        in
+        [
+          (isFile generatedConfig)
+          (fileContains generatedConfig key)
+          (fileContains generatedConfig value)
+        ];
+
+      "yaml configFile is loaded" =
+        let
+          wrapper = wm.wrap {
+            inherit pkgs;
+            configFile = writeText "config.yaml" "${key}: ${value}";
+          };
+          generatedConfig = "${wrapper}/config.json";
+        in
+        [
+          (isFile generatedConfig)
+          (fileContains generatedConfig key)
+          (fileContains generatedConfig value)
+        ];
+
+      "toml configFile is loaded" =
+        let
+          wrapper = wm.wrap {
+            inherit pkgs;
+            configFile = writeText "config.toml" ''${key} = "${value}"'';
+          };
+          generatedConfig = "${wrapper}/config.json";
+        in
+        [
+          (isFile generatedConfig)
+          (fileContains generatedConfig key)
+          (fileContains generatedConfig value)
+        ];
+    };
+
+  "explicit `extends` in settings breaks the config chain" =
+    let
+      wrapper = wm.wrap {
+        inherit pkgs;
+        theme = [
+          "aliens"
+          "agnoster"
+        ];
+        settings.extends = "foo";
+      };
+      configChainDir = "${wrapper}/config-chain";
+    in
+    [
+      (isFile "${configChainDir}/settings.json")
+      (notIsFile "${configChainDir}/agnoster.omp.json")
+      (notIsFile "${configChainDir}/aliens.omp.json")
+    ];
+
+  "If a single config is provided then no config-chain dir is created" =
+    let
+      wrapper = wm.wrap {
+        inherit pkgs;
+        settings.extends = "foo";
+      };
+    in
+    [
+      (isFile "${wrapper}/config.json")
+      (notIsDirectory "${wrapper}/config-chain")
+    ];
+
+  "extending segments works as expected" =
+    let
+      wrapper = wm.wrap {
+        inherit pkgs;
+        configFile = writeText "config.yaml" ''
+          blocks:
+            - type: prompt
+              alignment: left
+              segments:
+                - type: text
+                  style: plain
+                  template: "[b1s1]"
+                - type: text
+                  style: plain
+                  template: "[b1s2]"
+            - type: prompt
+              alignment: right
+              segments:
+                - type: text
+                  style: plain
+                  template: "[b2s1]"
+                - type: text
+                  style: plain
+                  template: "[b2s2]"
+                  alias: foo
+        '';
+        settings.blocks = [
+          {
+            type = "prompt";
+            alignment = "right";
+            segments = [
+              {
+                type = "text";
+                style = "plain";
+                alias = "foo";
+                template = "foo";
+              }
+            ];
+          }
+        ];
+      };
+    in
+    # '[b2s2]' should be overridden with 'foo'
+    [
+      "${wrapper}/bin/oh-my-posh print primary | grep -Fq  '[b1s1]'"
+      "${wrapper}/bin/oh-my-posh print primary | grep -Fq  '[b1s2]'"
+      "${wrapper}/bin/oh-my-posh print primary | grep -Fq  '[b2s1]'"
+      "${wrapper}/bin/oh-my-posh print primary | grep -Fqv '[b2s2]'"
+      "${wrapper}/bin/oh-my-posh print primary | grep -Fq  'foo'"
+    ];
+}