Test for local variables in provider block

Signed-off-by: Ilia Gogotchuri <ilia.gogotchuri0@gmail.com>

internal/command/test_test.go

@@ -170,6 +170,10 @@ func TestTest(t *testing.T) {
 			expected: "1 passed, 0 failed.",
 			code:     0,
 		},
+		"local_variables_in_provider_block": {
+			expected: "1 passed, 0 failed.",
+			code:     0,
+		},
 	}
 	for name, tc := range tcs {
 		t.Run(name, func(t *testing.T) {

internal/command/testdata/test/local_variables_in_provider_block/main.tf

@@ -0,0 +1,8 @@
+variable "input" {
+  type    = string
+  default = "bar"
+}
+
+resource "test_resource" "foo" {
+  value = var.input
+}

internal/command/testdata/test/local_variables_in_provider_block/main.tftest.hcl

@@ -0,0 +1,13 @@
+variables {
+  username = "u"
+  password = "p"
+}
+
+provider "test" {
+  username = var.username
+  password = var.password
+}
+
+run "validate" {}
+
+

internal/command/testing/test_provider.go

@@ -28,6 +28,8 @@ var (
 				Attributes: map[string]*configschema.Attribute{
 					"data_prefix":     {Type: cty.String, Optional: true},
 					"resource_prefix": {Type: cty.String, Optional: true},
+					"username":        {Type: cty.String, Optional: true},
+					"password":        {Type: cty.String, Optional: true},
 				},
 			},
 		},

internal/configs/config.go

@@ -1098,10 +1098,11 @@ func (c *Config) getTransformAddVariablesForTest(evalCtx *hcl.EvalContext) confi
 		newVars := make(map[string]*Variable, len(c.Module.Variables)+len(file.Variables))
 		for k, v := range c.Module.Variables {
 			oldVars[k] = v
+			newVars[k] = v
 		}
 		for variableName, variableExpr := range file.Variables {
 			// Skip if variable already exists in the config.
-			if v, ok := oldVars[variableName]; ok {
+			if v, ok := newVars[variableName]; ok {
 				newVars[variableName] = v
 				continue
 			}