updating

2026-09-17 14:46:11 +02:00
parent a6749f07d1
commit 447e77a7bf
35 changed files with 15846 additions and 0 deletions
@@ -0,0 +1,143 @@
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "unity.h"
+#include "imageInput.h"
+
+
+static void prepareImageFile(const char *path, unsigned short int width, unsigned short int height, unsigned int short numberOfImages, unsigned char label)
+{
+    FILE *file = fopen(path, "wb");
+
+    if(file != NULL)
+    {
+        const char *fileTag = "__info2_image_file_format__";
+        GrayScalePixelType *zeroBuffer = (GrayScalePixelType *)calloc(numberOfImages * width * height, sizeof(GrayScalePixelType));
+
+        if(zeroBuffer != NULL)
+        {
+            fwrite(fileTag, sizeof(fileTag[0]), strlen(fileTag), file);
+            fwrite(&numberOfImages, sizeof(numberOfImages), 1, file);
+            fwrite(&width, sizeof(width), 1, file);
+            fwrite(&height, sizeof(height), 1, file);
+
+            for(int i = 0; i < numberOfImages; i++)
+            {
+                fwrite(zeroBuffer, sizeof(GrayScalePixelType), width * height, file);
+                fwrite(&label, sizeof(unsigned char), 1, file);
+            }
+
+            free(zeroBuffer);
+        }
+
+        fclose(file);
+    }
+}
+
+
+void test_readImagesReturnsCorrectNumberOfImages(void)
+{
+    GrayScaleImageSeries *series = NULL;
+    const unsigned short expectedNumberOfImages = 2;
+    const char *path = "testFile.info2";
+    prepareImageFile(path, 8, 8, expectedNumberOfImages, 1);
+    series = readImages(path);
+    TEST_ASSERT_NOT_NULL(series);
+    TEST_ASSERT_EQUAL_UINT16(expectedNumberOfImages, series->count);
+    clearSeries(series);
+    remove(path);
+}
+
+void test_readImagesReturnsCorrectImageWidth(void)
+{
+    GrayScaleImageSeries *series = NULL;
+    const unsigned short expectedWidth = 10;
+    const char *path = "testFile.info2";
+    prepareImageFile(path, expectedWidth, 8, 2, 1);
+    series = readImages(path);
+    TEST_ASSERT_NOT_NULL(series);
+    TEST_ASSERT_NOT_NULL(series->images);
+    TEST_ASSERT_EQUAL_UINT16(2, series->count);
+    TEST_ASSERT_EQUAL_UINT16(expectedWidth, series->images[0].width);
+    TEST_ASSERT_EQUAL_UINT16(expectedWidth, series->images[1].width);
+    clearSeries(series);
+    remove(path);
+}
+
+void test_readImagesReturnsCorrectImageHeight(void)
+{
+    GrayScaleImageSeries *series = NULL;
+    const unsigned short expectedHeight = 10;
+    const char *path = "testFile.info2";
+    prepareImageFile(path, 8, expectedHeight, 2, 1);
+    series = readImages(path);
+    TEST_ASSERT_NOT_NULL(series);
+    TEST_ASSERT_NOT_NULL(series->images);
+    TEST_ASSERT_EQUAL_UINT16(2, series->count);
+    TEST_ASSERT_EQUAL_UINT16(expectedHeight, series->images[0].height);
+    TEST_ASSERT_EQUAL_UINT16(expectedHeight, series->images[1].height);
+    clearSeries(series);
+    remove(path);
+}
+
+void test_readImagesReturnsCorrectLabels(void)
+{
+    const unsigned char expectedLabel = 15;
+
+    GrayScaleImageSeries *series = NULL;
+    const char *path = "testFile.info2";
+    prepareImageFile(path, 8, 8, 2, expectedLabel);
+    series = readImages(path);
+    TEST_ASSERT_NOT_NULL(series);
+    TEST_ASSERT_NOT_NULL(series->labels);
+    TEST_ASSERT_EQUAL_UINT16(2, series->count);
+    for (int i = 0; i < 2; i++) {
+        TEST_ASSERT_EQUAL_UINT8(expectedLabel, series->labels[i]);
+    }
+    clearSeries(series);
+    remove(path);
+}
+
+void test_readImagesReturnsNullOnNotExistingPath(void)
+{
+    const char *path = "testFile.txt";
+    remove(path);
+    TEST_ASSERT_NULL(readImages(path));
+}
+
+void test_readImagesFailsOnWrongFileTag(void)
+{
+    const char *path = "testFile.info2";
+    FILE *file = fopen(path, "w");
+    if(file != NULL)
+    {
+        fprintf(file, "some_tag                  ");
+        fclose(file);
+        TEST_ASSERT_NULL(readImages(path));
+    }
+    remove(path);
+}
+
+void setUp(void) {
+    // Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
+}
+
+void tearDown(void) {
+    // Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
+}
+
+int main()
+{
+    UNITY_BEGIN();
+    
+    printf("\n============================\nImage input tests\n============================\n");
+    RUN_TEST(test_readImagesReturnsCorrectNumberOfImages);
+    RUN_TEST(test_readImagesReturnsCorrectImageWidth);
+    RUN_TEST(test_readImagesReturnsCorrectImageHeight);
+    RUN_TEST(test_readImagesReturnsCorrectLabels);
+    RUN_TEST(test_readImagesReturnsNullOnNotExistingPath);
+    RUN_TEST(test_readImagesFailsOnWrongFileTag);
+
+    return UNITY_END();
+}