ci: add Terraform mock unit tests for all templates for #71 (Phase 2) (#102)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: rfay

.github/workflows/validate.yml

@@ -24,6 +24,9 @@ jobs:
       - name: Validate
         run: terraform validate
         working-directory: ${{ matrix.template }}
+      - name: Test
+        run: terraform test
+        working-directory: ${{ matrix.template }}
 
   fmt:
     name: Format Check

Makefile

@@ -114,6 +114,14 @@ validate: ## Validate all Terraform templates (requires terraform in PATH)
 fmt-check: ## Check Terraform formatting across all templates
 	terraform fmt -check -recursive
 
+.PHONY: test-templates
+test-templates: ## Run Terraform mock unit tests for all templates (requires terraform in PATH)
+	@for t in $(TEMPLATES); do \
+		echo "--- Testing $$t ---"; \
+		(cd $$t && terraform test) || exit 1; \
+	done
+	@echo "All template tests passed."
+
 .PHONY: clean
 clean: ## Remove local image
 	@echo "Removing local images..."

drupal-core/tests/validate.tftest.hcl

@@ -0,0 +1,79 @@
+mock_provider "coder" {
+  mock_data "coder_workspace" {
+    defaults = {
+      start_count = 1
+      id          = "mock-workspace-id"
+      name        = "test-workspace"
+    }
+  }
+  mock_data "coder_workspace_owner" {
+    defaults = {
+      name = "testuser"
+    }
+  }
+  # vscode_extensions.value is jsondecode()d in locals; must be valid JSON
+  mock_data "coder_parameter" {
+    defaults = {
+      value = "[]"
+    }
+  }
+}
+
+mock_provider "docker" {}
+
+# cache_path has no default so must be supplied in every run block.
+# Any path works here — the mock docker provider does not validate host paths.
+
+run "plan_succeeds_with_defaults" {
+  command = plan
+  variables {
+    cache_path = "/tmp/mock-cache"
+  }
+}
+
+run "container_created_when_started" {
+  command = plan
+  variables {
+    cache_path = "/tmp/mock-cache"
+  }
+  assert {
+    condition     = length(docker_container.workspace) == 1
+    error_message = "docker_container.workspace must be created when start_count=1"
+  }
+}
+
+run "cpu_below_minimum" {
+  command = plan
+  variables {
+    cache_path = "/tmp/mock-cache"
+    cpu        = 0
+  }
+  expect_failures = [var.cpu]
+}
+
+run "cpu_above_maximum" {
+  command = plan
+  variables {
+    cache_path = "/tmp/mock-cache"
+    cpu        = 33
+  }
+  expect_failures = [var.cpu]
+}
+
+run "memory_below_minimum" {
+  command = plan
+  variables {
+    cache_path = "/tmp/mock-cache"
+    memory     = 1
+  }
+  expect_failures = [var.memory]
+}
+
+run "memory_above_maximum" {
+  command = plan
+  variables {
+    cache_path = "/tmp/mock-cache"
+    memory     = 129
+  }
+  expect_failures = [var.memory]
+}

freeform/tests/validate.tftest.hcl

@@ -0,0 +1,85 @@
+mock_provider "coder" {
+  mock_data "coder_workspace" {
+    defaults = {
+      start_count = 1
+      id          = "mock-workspace-id"
+      name        = "test-workspace"
+    }
+  }
+  mock_data "coder_workspace_owner" {
+    defaults = {
+      name = "testuser"
+    }
+  }
+  # vscode_extensions.value is jsondecode()d in locals; must be valid JSON
+  mock_data "coder_parameter" {
+    defaults = {
+      value = "[]"
+    }
+  }
+}
+
+mock_provider "docker" {}
+
+run "plan_succeeds_with_defaults" {
+  command = plan
+}
+
+run "container_created_when_started" {
+  command = plan
+  assert {
+    condition     = length(docker_container.workspace) == 1
+    error_message = "docker_container.workspace must be created when start_count=1"
+  }
+}
+
+run "adminer_off_by_default" {
+  command = plan
+  assert {
+    condition     = length(coder_app.adminer) == 0
+    error_message = "coder_app.adminer must not be created when enable_adminer=false"
+  }
+}
+
+run "adminer_enabled" {
+  command = plan
+  variables {
+    enable_adminer = true
+  }
+  assert {
+    condition     = length(coder_app.adminer) == 1
+    error_message = "coder_app.adminer must be created when enable_adminer=true"
+  }
+}
+
+run "cpu_below_minimum" {
+  command = plan
+  variables {
+    cpu = 0
+  }
+  expect_failures = [var.cpu]
+}
+
+run "cpu_above_maximum" {
+  command = plan
+  variables {
+    cpu = 33
+  }
+  expect_failures = [var.cpu]
+}
+
+run "memory_below_minimum" {
+  command = plan
+  variables {
+    memory = 1
+  }
+  expect_failures = [var.memory]
+}
+
+run "memory_above_maximum" {
+  command = plan
+  variables {
+    memory = 129
+  }
+  expect_failures = [var.memory]
+}

user-defined-web/tests/validate.tftest.hcl

@@ -0,0 +1,66 @@
+mock_provider "coder" {
+  mock_data "coder_workspace" {
+    defaults = {
+      start_count = 1
+      id          = "mock-workspace-id"
+      name        = "test-workspace"
+    }
+  }
+  mock_data "coder_workspace_owner" {
+    defaults = {
+      name = "testuser"
+    }
+  }
+  # vscode_extensions.value is jsondecode()d in locals; must be valid JSON
+  mock_data "coder_parameter" {
+    defaults = {
+      value = "[]"
+    }
+  }
+}
+
+mock_provider "docker" {}
+
+run "plan_succeeds_with_defaults" {
+  command = plan
+}
+
+run "container_created_when_started" {
+  command = plan
+  assert {
+    condition     = length(docker_container.workspace) == 1
+    error_message = "docker_container.workspace must be created when start_count=1"
+  }
+}
+
+run "cpu_below_minimum" {
+  command = plan
+  variables {
+    cpu = 0
+  }
+  expect_failures = [var.cpu]
+}
+
+run "cpu_above_maximum" {
+  command = plan
+  variables {
+    cpu = 33
+  }
+  expect_failures = [var.cpu]
+}
+
+run "memory_below_minimum" {
+  command = plan
+  variables {
+    memory = 1
+  }
+  expect_failures = [var.memory]
+}
+
+run "memory_above_maximum" {
+  command = plan
+  variables {
+    memory = 129
+  }
+  expect_failures = [var.memory]
+}