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Improve stable diffusion tests #2020

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23 changes: 22 additions & 1 deletion keras_cv/models/stable_diffusion/stable_diffusion_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,11 +49,32 @@ def test_image_encoder_golden_value(self):
[2.451568, 1.607522, -0.546311, -1.194388],
atol=1e-4,
)

def test_text_encoder_golden_value(self):
prompt = "a caterpillar smoking a hookah while sitting on a mushroom"
stablediff = StableDiffusion(128, 128)
text_encoding = stablediff.encode_text(prompt)
self.assertAllClose(
text_encoding[0][1][0:5],
[0.029033, -1.325784, 0.308457, -0.061469, 0.03983],
atol=1e-4,
)

def test_text_tokenizer_golden_value(self):
prompt = "a caterpillar smoking a hookah while sitting on a mushroom"
stablediff = StableDiffusion(128, 128)
text_encoding = stablediff.tokenizer.encode(prompt)
self.assertEqual(
text_encoding[0:5],
[49406, 320, 27111, 9038, 320],
)

def test_mixed_precision(self):
mixed_precision.set_global_policy("mixed_float16")
stablediff = StableDiffusion(128, 128)
_ = stablediff.text_to_image("Testing123 haha!")
_ = stablediff.text_to_image("Testing123 haha!", num_steps=2)
# Clean up global policy
mixed_precision.set_global_policy("float32")

def test_generate_image_rejects_noise_and_seed(self):
stablediff = StableDiffusion(128, 128)
Expand Down