tests: add tests for optional artifact IO

tests/assets/functions/valid/function.yaml

@@ -6,6 +6,8 @@ inputs:
       description: desired sky horizontal irradiance
       required: true
     - name: sky-file
+      type: FunctionFileInput
+      path: file.sky
       required: true
 command: gensky -c -B "{{ inputs.desired-irradiance }}" > file.sky
 outputs:

tests/assets/functions/valid/function_optional_input.yaml

@@ -0,0 +1,36 @@
+type: Function
+name: split-grid
+description: Split the daylight sensor grid into multiple smaller files for parallel
+  simulation
+inputs:
+  - name: grid-name
+    type: FunctionStringInput
+    default: grid
+    description: Name of the grid
+  - name: sensor-count
+    type: FunctionIntegerInput
+    default: 250
+    description: Number of sensors per split grid
+  - name: input-grid-folder
+    type: FunctionFolderInput
+    description: The folder containing the grids to split # this is important for copying the files.
+    path: asset/grid
+    required: true
+  - name: bsdf-folder
+    type: FunctionFolderInput
+    description: An optional input that should only be copied if available.
+    path: asset/xml
+    required: False
+
+command: |
+  honeybee radiance grid split "asset/grid/{{inputs.grid-name}}.pts"
+  "{{inputs.sensor-count}}" --folder "output/temp/"
+  --log-file "output/temp/{{inputs.grid-name}}_grids.txt"
+
+outputs:
+  - name: grid-list
+    type: FunctionArrayOutput
+    path: "output/temp/{{inputs.grid-name}}_grids.txt"
+  - name: output-grids-folder
+    type: FunctionFolderOutput
+    path: output/temp/

tests/assets/functions/valid/function_optional_output.yaml

@@ -0,0 +1,33 @@
+type: Function
+name: split-grid
+description: Split the daylight sensor grid into multiple smaller files for parallel
+  simulation
+inputs:
+  - name: grid-name
+    type: FunctionStringInput
+    default: grid
+    description: Name of the grid
+  - name: sensor-count
+    type: FunctionIntegerInput
+    default: 250
+    description: Number of sensors per split grid
+  - name: input-grid-folder
+    type: FunctionFolderInput
+    description: The folder containing the grids to split # this is important for copying the files.
+    path: asset/grid
+    required: true
+command: |
+  honeybee radiance grid split "asset/grid/{{inputs.grid-name}}.pts"
+  "{{inputs.sensor-count}}" --folder "output/temp/"
+  --log-file "output/temp/{{inputs.grid-name}}_grids.txt"
+outputs:
+  - name: grid-list
+    type: FunctionArrayOutput
+    path: "output/temp/{{inputs.grid-name}}_grids.txt"
+  - name: output-grids-folder
+    type: FunctionFolderOutput
+    path: output/temp/
+  - name: optional-output
+    type: FunctionFolderOutput
+    path: output/temp/optional
+    required: False

tests/assets/recipes/valid/optional-input-output.yaml

@@ -0,0 +1,46 @@
+type: Recipe
+
+metadata:
+  type: MetaData
+  name: minimal-recipe
+  tag: 0.2.1
+
+dependencies:
+- type: Dependency
+  kind: plugin
+  name: honeybee-radiance
+  tag: 1.2.3
+  source: https://example.com/test-repo
+
+flow:
+- name: main
+  type: DAG
+  inputs:
+  - name: folder-path
+    type: DAGStringInput
+    default: something
+  - name: input-file-optional
+    type: DAGFileInput
+    required: False
+  tasks:
+  - name: minimal-task
+    type: DAGTask
+    template: honeybee-radiance/10000-lux-sky
+    arguments:
+      - name: foo
+        type: TaskArgument
+        from:
+          type: ValueReference
+          value: test-value
+      - name: bar
+        type: TaskArgument
+        from:
+          type: ValueReference
+          value: test-value
+  outputs:
+    - name: optional-output
+      type: DAGFolderOutput
+      from:
+        type: FolderReference
+        path: path/to/file
+      required: False