kesidisgi101215/info2Praktikum-NeuronalesNetz
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Test imageInputTests fertig

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This commit is contained in:
Giorgi Kesidis 2025-11-17 20:19:21 +01:00
parent 59cdcafa94
commit 4ad5b4f595
1 changed files with 39 additions and 16 deletions
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47
imageInputTests.c
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@ -5,7 +5,6 @@
#include "unity.h" #include "unity.h"
#include "imageInput.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) 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"); FILE *file = fopen(path, "wb");
@ -13,29 +12,33 @@ static void prepareImageFile(const char *path, unsigned short int width, unsigne
if (file != NULL) if (file != NULL)
{ {
const char *fileTag = "__info2_image_file_format__"; const char *fileTag = "__info2_image_file_format__";
GrayScalePixelType *zeroBuffer = (GrayScalePixelType *)calloc(numberOfImages * width * height, sizeof(GrayScalePixelType)); GrayScalePixelType *buffer = (GrayScalePixelType *)calloc(numberOfImages * width * height, sizeof(GrayScalePixelType));
if(zeroBuffer != NULL) if (buffer != NULL)
{ {
fwrite(fileTag, sizeof(fileTag[0]), strlen(fileTag), file); for (int i = 0; i < width * height; i++)
{
buffer[i] = (GrayScalePixelType)i; // füllen des buffers mit Graustufen des Pixel für Test
}
fwrite(fileTag, 1, strlen(fileTag), file);
fwrite(&numberOfImages, sizeof(numberOfImages), 1, file); fwrite(&numberOfImages, sizeof(numberOfImages), 1, file);
fwrite(&width, sizeof(width), 1, file); fwrite(&width, sizeof(width), 1, file);
fwrite(&height, sizeof(height), 1, file); fwrite(&height, sizeof(height), 1, file);
for (int i = 0; i < numberOfImages; i++) for (int i = 0; i < numberOfImages; i++)
{ {
fwrite(zeroBuffer, sizeof(GrayScalePixelType), width * height, file); fwrite(buffer, sizeof(GrayScalePixelType), width * height, file);
fwrite(&label, sizeof(unsigned char), 1, file); fwrite(&label, sizeof(unsigned char), 1, file);
} }
free(zeroBuffer); free(buffer);
} }
fclose(file); fclose(file);
} }
} }
void test_readImagesReturnsCorrectNumberOfImages(void) void test_readImagesReturnsCorrectNumberOfImages(void)
{ {
GrayScaleImageSeries *series = NULL; GrayScaleImageSeries *series = NULL;
@ -92,7 +95,8 @@ void test_readImagesReturnsCorrectLabels(void)
TEST_ASSERT_NOT_NULL(series); TEST_ASSERT_NOT_NULL(series);
TEST_ASSERT_NOT_NULL(series->labels); TEST_ASSERT_NOT_NULL(series->labels);
TEST_ASSERT_EQUAL_UINT16(2, series->count); TEST_ASSERT_EQUAL_UINT16(2, series->count);
for (int i = 0; i < 2; i++) { for (int i = 0; i < 2; i++)
{
TEST_ASSERT_EQUAL_UINT8(expectedLabel, series->labels[i]); TEST_ASSERT_EQUAL_UINT8(expectedLabel, series->labels[i]);
} }
clearSeries(series); clearSeries(series);
@ -119,18 +123,36 @@ void test_readImagesFailsOnWrongFileTag(void)
remove(path); remove(path);
} }
// Tests der Hilfsfunktionen // Test der Hilfsfunktionen
void test_read_header(void) void test_read_GrayScale_Pixel(void)
{ {
GrayScaleImageSeries *series = NULL;
const char *path = "testFile.info2";
prepareImageFile(path, 8, 8, 1, 1);
series = readImages(path);
TEST_ASSERT_NOT_NULL(series);
TEST_ASSERT_NOT_NULL(series->images);
TEST_ASSERT_EQUAL_UINT16(1, series->count);
for (int i = 0; i < (8 * 8); i++)
{
TEST_ASSERT_EQUAL_UINT8((GrayScalePixelType)i, series->images->buffer[i]);
} }
void setUp(void) { clearSeries(series);
remove(path);
}
void setUp(void)
{
// Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden // Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
} }
void tearDown(void) { void tearDown(void)
{
// Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden // Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
} }
@ -145,6 +167,7 @@ int main()
RUN_TEST(test_readImagesReturnsCorrectLabels); RUN_TEST(test_readImagesReturnsCorrectLabels);
RUN_TEST(test_readImagesReturnsNullOnNotExistingPath); RUN_TEST(test_readImagesReturnsNullOnNotExistingPath);
RUN_TEST(test_readImagesFailsOnWrongFileTag); RUN_TEST(test_readImagesFailsOnWrongFileTag);
RUN_TEST(test_read_GrayScale_Pixel);
return UNITY_END(); return UNITY_END();
} }