File size: 11,616 Bytes
6510698
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
"""
Unit tests for model configuration components.
"""

import pytest
import torch
from unittest.mock import patch, MagicMock
import os
import sys
from pathlib import Path

# Add project root to path
project_root = Path(__file__).parent.parent.parent
sys.path.insert(0, str(project_root))

from app.config.model_config import (
    ModelConfig, 
    EnvironmentDetector, 
    DependencyValidator
)


class TestModelConfig:
    """Test ModelConfig dataclass."""
    
    def test_model_config_creation(self):
        """Test ModelConfig creation with valid parameters."""
        config = ModelConfig(
            model_id="test/model",
            revision="main",
            dtype=torch.float32,
            device_map="cpu",
            attn_implementation="eager",
            low_cpu_mem_usage=True,
            trust_remote_code=True
        )
        
        assert config.model_id == "test/model"
        assert config.revision == "main"
        assert config.dtype == torch.float32
        assert config.device_map == "cpu"
        assert config.attn_implementation == "eager"
        assert config.low_cpu_mem_usage is True
        assert config.trust_remote_code is True
    
    @patch('torch.cuda.is_available')
    def test_is_gpu_available_true(self, mock_cuda):
        """Test GPU availability detection when CUDA is available."""
        mock_cuda.return_value = True
        
        config = ModelConfig(
            model_id="test/model",
            revision=None,
            dtype=torch.float32,
            device_map="auto",
            attn_implementation="sdpa",
            low_cpu_mem_usage=False,
            trust_remote_code=True
        )
        
        assert config.is_gpu_available is True
    
    @patch('torch.cuda.is_available')
    def test_is_gpu_available_false(self, mock_cuda):
        """Test GPU availability detection when CUDA is not available."""
        mock_cuda.return_value = False
        
        config = ModelConfig(
            model_id="test/model",
            revision=None,
            dtype=torch.float32,
            device_map="cpu",
            attn_implementation="eager",
            low_cpu_mem_usage=True,
            trust_remote_code=True
        )
        
        assert config.is_gpu_available is False
    
    @patch('torch.cuda.is_available')
    @patch('torch.cuda.device_count')
    @patch('torch.cuda.current_device')
    @patch('torch.cuda.get_device_name')
    @patch('torch.cuda.memory_allocated')
    @patch('torch.cuda.memory_reserved')
    def test_device_info_gpu(self, mock_mem_reserved, mock_mem_allocated, 
                           mock_device_name, mock_current_device, 
                           mock_device_count, mock_cuda):
        """Test device info when GPU is available."""
        mock_cuda.return_value = True
        mock_device_count.return_value = 1
        mock_current_device.return_value = 0
        mock_device_name.return_value = "Test GPU"
        mock_mem_allocated.return_value = 1024
        mock_mem_reserved.return_value = 2048
        
        config = ModelConfig(
            model_id="test/model",
            revision=None,
            dtype=torch.float32,
            device_map="auto",
            attn_implementation="sdpa",
            low_cpu_mem_usage=False,
            trust_remote_code=True
        )
        
        device_info = config.device_info
        
        assert device_info["cuda_available"] is True
        assert device_info["device_count"] == 1
        assert device_info["current_device"] == 0
        assert device_info["device_name"] == "Test GPU"
        assert device_info["memory_allocated"] == 1024
        assert device_info["memory_reserved"] == 2048
    
    @patch('torch.cuda.is_available')
    def test_device_info_cpu(self, mock_cuda):
        """Test device info when only CPU is available."""
        mock_cuda.return_value = False
        
        config = ModelConfig(
            model_id="test/model",
            revision=None,
            dtype=torch.float32,
            device_map="cpu",
            attn_implementation="eager",
            low_cpu_mem_usage=True,
            trust_remote_code=True
        )
        
        device_info = config.device_info
        
        assert device_info["cuda_available"] is False
        assert device_info["device_count"] == 0
        assert device_info["current_device"] is None


class TestEnvironmentDetector:
    """Test EnvironmentDetector class."""
    
    @patch('torch.cuda.is_available')
    @patch('torch.__version__', '2.0.0')
    def test_detect_environment_cpu(self, mock_cuda):
        """Test environment detection on CPU-only system."""
        mock_cuda.return_value = False
        
        with patch('importlib.import_module') as mock_import:
            # Mock successful einops import
            mock_einops = MagicMock()
            mock_einops.__version__ = "0.7.0"
            
            def import_side_effect(name):
                if name == "einops":
                    return mock_einops
                elif name == "flash_attn":
                    raise ImportError("No module named 'flash_attn'")
                return MagicMock()
            
            mock_import.side_effect = import_side_effect
            
            env_info = EnvironmentDetector.detect_environment()
            
            assert env_info["cuda_available"] is False
            assert env_info["cuda_version"] is None
            assert env_info["torch_version"] == "2.0.0"
    
    @patch('torch.cuda.is_available')
    @patch('torch.version.cuda', '11.8')
    def test_detect_environment_gpu(self, mock_cuda):
        """Test environment detection on GPU system."""
        mock_cuda.return_value = True
        
        env_info = EnvironmentDetector.detect_environment()
        
        assert env_info["cuda_available"] is True
        assert env_info["cuda_version"] == "11.8"
    
    @patch('torch.cuda.is_available')
    @patch.dict(os.environ, {}, clear=True)
    def test_create_model_config_cpu_defaults(self, mock_cuda):
        """Test model config creation with CPU defaults."""
        mock_cuda.return_value = False
        
        config = EnvironmentDetector.create_model_config()
        
        assert config.model_id == "microsoft/Phi-3.5-MoE-instruct"
        assert config.revision is None
        assert config.dtype == torch.float32
        assert config.device_map == "cpu"
        assert config.attn_implementation == "eager"
        assert config.low_cpu_mem_usage is True
        assert config.trust_remote_code is True
    
    @patch('torch.cuda.is_available')
    @patch.dict(os.environ, {}, clear=True)
    def test_create_model_config_gpu_defaults(self, mock_cuda):
        """Test model config creation with GPU defaults."""
        mock_cuda.return_value = True
        
        config = EnvironmentDetector.create_model_config()
        
        assert config.model_id == "microsoft/Phi-3.5-MoE-instruct"
        assert config.revision is None
        assert config.dtype == torch.bfloat16
        assert config.device_map == "auto"
        assert config.attn_implementation == "sdpa"
        assert config.low_cpu_mem_usage is False
        assert config.trust_remote_code is True
    
    @patch('torch.cuda.is_available')
    @patch.dict(os.environ, {
        'HF_MODEL_ID': 'custom/model',
        'HF_REVISION': 'abc123'
    })
    def test_create_model_config_with_env_vars(self, mock_cuda):
        """Test model config creation with environment variables."""
        mock_cuda.return_value = False
        
        config = EnvironmentDetector.create_model_config()
        
        assert config.model_id == "custom/model"
        assert config.revision == "abc123"
    
    def test_create_model_config_with_parameters(self):
        """Test model config creation with explicit parameters."""
        config = EnvironmentDetector.create_model_config(
            model_id="explicit/model",
            revision="explicit123"
        )
        
        assert config.model_id == "explicit/model"
        assert config.revision == "explicit123"


class TestDependencyValidator:
    """Test DependencyValidator class."""
    
    def test_required_packages_list(self):
        """Test that required packages list is properly defined."""
        required = DependencyValidator.REQUIRED_PACKAGES
        
        assert "transformers" in required
        assert "accelerate" in required
        assert "einops" in required
        assert "huggingface_hub" in required
        assert "gradio" in required
        assert "torch" in required
    
    def test_optional_packages_list(self):
        """Test that optional packages list is properly defined."""
        optional = DependencyValidator.OPTIONAL_PACKAGES
        
        assert "flash_attn" in optional
    
    @patch('importlib.import_module')
    def test_validate_dependencies_all_available(self, mock_import):
        """Test dependency validation when all packages are available."""
        mock_import.return_value = MagicMock()
        
        results = DependencyValidator.validate_dependencies()
        
        for package in DependencyValidator.REQUIRED_PACKAGES:
            assert results[package] is True
        
        for package in DependencyValidator.OPTIONAL_PACKAGES:
            assert results[package] is True
    
    @patch('importlib.import_module')
    def test_validate_dependencies_some_missing(self, mock_import):
        """Test dependency validation when some packages are missing."""
        def import_side_effect(name):
            if name == "flash_attn":
                raise ImportError(f"No module named '{name}'")
            return MagicMock()
        
        mock_import.side_effect = import_side_effect
        
        results = DependencyValidator.validate_dependencies()
        
        # Required packages should be available
        for package in DependencyValidator.REQUIRED_PACKAGES:
            assert results[package] is True
        
        # flash_attn should be missing
        assert results["flash_attn"] is False
    
    @patch('importlib.import_module')
    def test_get_missing_required_packages(self, mock_import):
        """Test getting list of missing required packages."""
        def import_side_effect(name):
            if name in ["transformers", "einops"]:
                raise ImportError(f"No module named '{name}'")
            return MagicMock()
        
        mock_import.side_effect = import_side_effect
        
        missing = DependencyValidator.get_missing_required_packages()
        
        assert "transformers" in missing
        assert "einops" in missing
        assert "accelerate" not in missing  # Should be available
    
    @patch('importlib.import_module')
    def test_is_environment_ready_true(self, mock_import):
        """Test environment readiness when all required packages are available."""
        mock_import.return_value = MagicMock()
        
        assert DependencyValidator.is_environment_ready() is True
    
    @patch('importlib.import_module')
    def test_is_environment_ready_false(self, mock_import):
        """Test environment readiness when required packages are missing."""
        def import_side_effect(name):
            if name == "einops":
                raise ImportError(f"No module named '{name}'")
            return MagicMock()
        
        mock_import.side_effect = import_side_effect
        
        assert DependencyValidator.is_environment_ready() is False


if __name__ == "__main__":
    pytest.main([__file__])