From b5d09dba20573c431a9f21795ac90547631caae7 Mon Sep 17 00:00:00 2001
From: Marius Peter <dev@marius-peter.com>
Date: Sat, 1 Nov 2025 13:00:05 +0100
Subject: Test directory should mirror top-level hierarchy.

---
 tests/models/nutrient.rkt | 76 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 tests/models/nutrient.rkt

(limited to 'tests/models/nutrient.rkt')

diff --git a/tests/models/nutrient.rkt b/tests/models/nutrient.rkt
new file mode 100644
index 0000000..39a574c
--- /dev/null
+++ b/tests/models/nutrient.rkt
@@ -0,0 +1,76 @@
+#lang racket
+
+(module+ test
+  (require rackunit
+           rackunit/text-ui
+           "../db/conn.rkt"
+           "../db/migrations.rkt"
+           "../models/nutrient.rkt")
+
+  (run-tests
+   (test-suite
+    "Nutrient model"
+    #:before (λ ()
+               (connect! #:path 'memory)
+               (migrate-all!))
+    #:after (λ ()
+              (disconnect!))
+
+    (test-case "Create nutrients"
+      (create-nutrient! "Examplium" "Ex")
+      (check-equal? (length (get-nutrients)) 1)
+      (create-nutrient! "Ignorium" "Ig")
+      (check-equal? (length (get-nutrients)) 2))
+
+    (test-case "Read nutrient"
+      (define examplium (get-nutrient #:id 1))
+      (check-true (nutrient? examplium))
+      (check-equal? (nutrient-id examplium) 1))
+    
+    (test-case "Read nutrient by name"
+      (define examplium (get-nutrient #:name "Examplium"))
+      (check-true (nutrient? examplium))
+      (check-equal? (nutrient-name examplium) "Examplium"))
+
+    (test-case "Read nutrient by formula"
+      (define examplium (get-nutrient #:formula "Ex"))
+      (check-true (nutrient? examplium))
+      (check-equal? (nutrient-formula examplium) "Ex"))
+    
+    (test-case "Read inexisting nutrient"
+      (check-false (get-nutrient #:name "Inexistium")))
+
+    (test-case "Update nutrient name"
+      (define examplium (get-nutrient #:name "Examplium"))
+      (define examplium-nitrate
+        (update-nutrient! examplium #:name "Examplium Nitrate"))
+      (check-equal? (length (get-nutrients)) 2)
+      (check-equal? (nutrient-name examplium-nitrate) "Examplium Nitrate")
+      (check-equal? (nutrient-formula examplium-nitrate) "Ex"))
+
+    (test-case "Update nutrient formula"
+      (define examplium-nitrate (get-nutrient #:name "Examplium Nitrate"))
+      (define examplium-sulfate
+        (update-nutrient! examplium-nitrate #:formula "ExSO4"))
+      (check-equal? (length (get-nutrients)) 2)
+      (check-equal? (nutrient-name examplium-sulfate) "Examplium Nitrate")
+      (check-equal? (nutrient-formula examplium-sulfate) "ExSO4"))
+
+    (test-case "Update nutrient name and formula"
+      (define examplium-nitrate
+        (get-nutrient #:name "Examplium Nitrate"))
+      (define examplium-sulfate
+        (update-nutrient! examplium-nitrate
+                          #:name "Examplium Sulfate"
+                          #:formula "ExNO3"))
+      (check-equal? (length (get-nutrients)) 2)
+      (check-equal? (nutrient-name examplium-sulfate) "Examplium Sulfate")
+      (check-equal? (nutrient-formula examplium-sulfate) "ExNO3"))
+
+    (test-case "Delete nutrient"
+      (define examplium-sulfate (get-nutrient #:name "Examplium Sulfate"))
+      (delete-nutrient! examplium-sulfate)
+      (check-equal? (length (get-nutrients)) 1)
+      (define ignorium (get-nutrient #:name "Ignorium"))
+      (delete-nutrient! ignorium)
+      (check-equal? (length (get-nutrients)) 0)))))
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