fix(steps): provide functions args in function conditions values

engine/engine_test.go

@@ -235,6 +235,29 @@ func TestFunctionCustomState(t *testing.T) {
 	assert.Equal(t, []string{"STATE_HELLO"}, customStates)
 }
 
+func TestFunctionConditions(t *testing.T) {
+	input := map[string]interface{}{}
+	res, err := runTask("functionConditions.yaml", input, nil)
+
+	require.Nil(t, err)
+
+	assert.Equal(t, map[string]interface{}{
+		"value": "Hello foobar !",
+	}, res.Steps["asExpected"].Output)
+	assert.Equal(t, "SAID_HELLO", res.Steps["asExpected"].State)
+	assert.Equal(t, "Said hello to foobar", res.Steps["asExpected"].Error)
+
+	assert.Equal(t, map[string]interface{}{
+		"value": "Hello foo !",
+	}, res.Steps["notExpected"].Output)
+	assert.Equal(t, "NOT_EXPECTED", res.Steps["notExpected"].State)
+	assert.Equal(t, "Expected bar, got foo", res.Steps["notExpected"].Error)
+
+	assert.Nil(t, res.Steps["skipped"].Output)
+	assert.Equal(t, "PRUNE", res.Steps["skipped"].State)
+	assert.Equal(t, "No hello foo !", res.Steps["skipped"].Error)
+}
+
 func TestFunctionPreHook(t *testing.T) {
 	input := map[string]interface{}{}
 	res, err := runTask("functionPreHook.yaml", input, nil)

engine/functions_tests/hello-with-conditions.yaml

@@ -0,0 +1,34 @@
+name: hello-with-conditions
+description: Say hello with conditions
+action:
+  type: echo::hello::world
+  configuration:
+    name: '{{.function_args.name}}'
+custom_states:
+  - SAID_HELLO
+  - NOT_EXPECTED
+conditions:
+  - type: skip
+    if:
+      - value: '{{.function_args.skip | default `false`}}'
+        operator: EQ
+        expected: 'true'
+    then:
+      this: PRUNE
+    message: 'No hello {{.function_args.name}} !'
+  - type: check
+    if:
+      - value: '{{.function_args.name}}'
+        operator: NE
+        expected: '{{.function_args.expected}}'
+    then:
+      this: NOT_EXPECTED
+    message: 'Expected {{.function_args.expected}}, got {{.function_args.name}}'
+  - type: check
+    if:
+      - value: '{{.function_args.name}}'
+        operator: EQ
+        expected: '{{.function_args.expected}}'
+    then:
+      this: SAID_HELLO
+    message: 'Said hello to {{.function_args.name}}'

engine/step/step.go

@@ -477,6 +477,23 @@ func PreRun(st *Step, values *values.Values, ss StateSetter, executedSteps map[s
 		return
 	}
 
+	// Check if we have a function as runner or not.
+	runner, err := getRunner(st.Action.Type)
+	if err != nil {
+		ss(st.Name, StateServerError, err.Error())
+		return
+	}
+
+	_, isFunction := runner.(*functions.Function)
+	if isFunction {
+		var functionInput map[string]interface{}
+		if err := utils.JSONnumberUnmarshal(bytes.NewBuffer(st.Action.Configuration), &functionInput); err != nil {
+			ss(st.Name, StateServerError, err.Error())
+			return
+		}
+		values.SetFunctionsArgs(functionInput)
+	}
+
 	for _, sc := range conditions {
 		if sc.Type != condition.SKIP {
 			continue
@@ -521,6 +538,23 @@ func AfterRun(st *Step, values *values.Values, ss StateSetter) {
 		return
 	}
 
+	// Check if we have a function as runner or not.
+	runner, err := getRunner(st.Action.Type)
+	if err != nil {
+		ss(st.Name, StateServerError, err.Error())
+		return
+	}
+
+	_, isFunction := runner.(*functions.Function)
+	if isFunction {
+		var functionInput map[string]interface{}
+		if err := utils.JSONnumberUnmarshal(bytes.NewBuffer(st.Action.Configuration), &functionInput); err != nil {
+			ss(st.Name, StateServerError, err.Error())
+			return
+		}
+		values.SetFunctionsArgs(functionInput)
+	}
+
 	for _, sc := range conditions {
 		if sc.Type != condition.CHECK {
 			continue

engine/templates_tests/functionConditions.yaml

@@ -0,0 +1,29 @@
+name: functionConditions
+description: Test function conditions
+title_format: "[test] Test function conditions"
+auto_runnable: true
+steps:
+  asExpected:
+    description: Say hello to foobar
+    action:
+      type: hello-with-conditions
+      configuration:
+        name: foobar
+        expected: foobar
+
+  notExpected:
+    description: Say hello to foo but expect bar
+    action:
+      type: hello-with-conditions
+      configuration:
+        name: foo
+        expected: bar
+
+  skipped:
+    description: Say hello to foo but expect bar
+    action:
+      type: hello-with-conditions
+      configuration:
+        name: foo
+        expected: foor
+        skip: true